1









                                                    --------------------
                                                   *                    *
                                                   *      EXHIBIT  1    *
                                                   *        OUTPUT      *
                                                   *                    *
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                                                            BIOS/SAS


                                                         Pages 4 through 13




1                                                                                                                  BIOS/SAS   Page 4
                                                                                                                       Jan. 25, 1989

      **************************************************************************************************************************
     ****************************************************************************************************************************
     **                                                                                                                        **
     **                            *****    *     *   *     *   *     *     ***     ******    *     *                          **
     **                           *     *   *     *   **   **   **   **    *   *    *     *   *     *                          **
     **                           *         *     *   * * * *   * * * *   *     *   *     *    *   *                           **
     **                            *****    *     *   *  *  *   *  *  *   *******   ******      * *                            **
     **                                 *   *     *   *     *   *     *   *     *   *   *        *                             **
     **    *****                  *     *   *     *   *     *   *     *   *     *   *    *       *                    *****    **
     **   *     *                  *****     *****    *     *   *     *   *     *   *     *      *                   *     *   **
     **   *                                                                                                          *         **
     **    *****                                                                                                      *****    **
     **         *                                 ****  STORET SUMMARY SECTION  ****                                       *   **
     **   *     *                                                                                                    *     *   **
     **    *****                                                                                                      *****    **
     **              FOLLOWING  IS A RETRIEVAL OF DATA FROM THE ENVIRONMENTAL PROTECTION AGENCY'S  STORET SYSTEM,              **
     **   *******    A DATABASE  OF  SAMPLING  SITES  AND THEIR ASSOCIATED  QUALITY  DATA.  THE  INFORMATION  WAS    *******   **
     **      *       RETRIEVED  USING  SPECIFIC  STORET INSTRUCTION SETS  IN COMBINATION TO SELECT  ONLY THE DATA       *      **
     **      *       REQUESTED FOR THIS RETRIEVAL. BRIEF EXPLANATIONS OF THE INSTRUCTION SETS ARE INCLUDED BELOW.       *      **
     **      *                     QUESTIONS MAY BE DIRECTED TO THE SDC USER Support SECTION AT (800)424-9067.          *      **
     **      *                                                                                                          *      **
     **      *                                                                                                          *      **
     **                                                      ************                                                      **
     **    *****                                                                                                      *****    **
     **   *     *                                                                                                    *     *   **
     **   *     *                                                                                                    *     *   **
     **   *     *                                                                                                    *     *   **
     **   *     *                                                                                                    *     *   **
     **   *     *                                                                                                    *     *   **
     **    *****                                                                                                      *****    **
     **                                                                                                                        **
     **   ******               FOLLOWING IS THE FORMAT FOR THE STATION HEADER INFORMATION WHICH APPEARS              ******    **
     **   *     *               ON EACH PAGE OF THE RETRIEVAL UNLESS STATION AGGREGATION WAS PERFORMED               *     *   **
     **   *     *        *************************************************************************************       *     *   **
     **   ******         *                                                                                   *       ******    **
     **   *   *          *                                          STATION NUMBER(S)                        *       *   *     **
     **   *    *         *                                          LATITUDE/LONGITUDE PRECISION CODE        *       *    *    **
     **   *     *        *                                          STATION LOCATION                         *       *     *   **
     **                  *                                          STATE/COUNTY CODE STATE NAME COUNTY NAME *                 **
     **   *******        *                                          MAJOR BASIN NAME MAJ/MIN/SUB BASIN CODE  *       *******   **
     **   *              *                                          MINOR BASIN NAME                         *       *         **
     **   *              *STATION TYPE                              AGENCY CODE    HYDROLOGIC UNIT CODES     *       *         **
     **   ***            *                            STA. DEPTH   STA. STORED DATE   ARCHIVE CLASS   CSN-RSP*       ***       **
     **   *              *                                                                                   *       *         **
     **   *              *RIVER MILE INDEX                                                                   *       *         **
     **   *******        *                                                                                   *       *******   **
     **                  *************************************************************************************                 **
     **   *******                                                                                                    *******   **
     **      *                                                                                                          *      **
     **      *                                                                                                          *      **
     **      *                                                                                                          *      **
     **      *                                        CONTINUED ON NEXT PAGE(S)                                         *      **
     **      *                                        --------- -- ---- -------                                         *      **
     **      *                                                                                                          *      **
     **                                                                                                                        **
     ****************************************************************************************************************************
      **************************************************************************************************************************
1                                                                                                                  BIOS/SAS   Page 5
                                                                                                                       Jan. 25, 1989


 RETRIEVAL PROGRAM
0   PGM=ALLFS
       THIS PROGRAM PRINTS THE ACTUAL SAMPLE VALUES FOR ALL RETRIEVED SAMPLES
0   NO BEGINNING DATE WAS REQUESTED -- STORET ASSUMED THE BEGINNING DATE WAS THAT OF THE OLDEST DATA VALUE FOUND
    NO ENDING DATE WAS REQUESTED -- STORET ASSUMED THE ENDING DATE WAS THAT OF THE MOST RECENT DATA VALUE FOUND
-STATION SELECTION WAS BY:

    AGENCY CODE(S) AND STATION NUMBER(S) FOR THE FOLLOWING AGENCY(S):
       11TRAIN
-STATIONS SELECTED WERE RESTRICTED TO:

    AGENCIES WHOSE DATA HAS NOT BEEN 'RETIRED'
-CONTACTS FOR AGENCY CODES RETRIEVED:

     AGENCY        PRIMARY CONTACT NAME              ORGANIZATION                   PHONE NUMBER(S)
    --------     -------------------------     -------------------------     -----------------------------
    11TRAIN      HOELMAN, LOUIS                USEPA HQ                      (202)382-7220   (FTS)382-7220
-FIELD SURVEY REFERENCES:
    AGENCY    ENTRY  DESCRIPTION
    --------  ------- ----------------------------------------------------------------
    11TRAIN   C-00001 HANSEN,       OLOF         202-382-7220 401 M STREET,SW
                      MAILCODE PM 218 D              WASHINGTON           DC 20460
    11TRAIN   C-00002 LAMBORNE,     BARBARA      202-382-7220 GEORGE MASON UNIVERSITY
                      4400 UNIVERSITY DRIVE          FAIRFAX              VA 22030
    11TRAIN   C-00003 PALMER,       ROBERT       202-382-7220 MAIL STOP PM-218-D
                      401 M ST S.W.                  WASHINGTON           DC 20460
    11TRAIN   I-00001 HANSEN,       OLOF         202-382-7220 401 M STREET,SW
                      MAILCODE PM 218 D              WASHINGTON           DC 20460
    11TRAIN   I-00002 LAMBORNE,     BARBARA      202-382-7220 GEORGE MASON UNIVERSITY
                      4400 UNIVERSITY ROAD           FAIRFAX              VA 22030
    11TRAIN   I-00003 PALMER,       ROBERT       202-382-7220 MAIL STOP PM-218-D
                      401 M ST S.W.                  WASHINGTON           DC 20460
    11TRAIN   V-00001 87/06/03 - BIOS SOFTWARE TEST
                      MONITORING
-DATA SPECIFICATIONS:
0   **NOTE**
       NO REMARK CODE RESTRICTIONS WERE SPECIFIED - COMPUTATIONS WILL
       BE PERFORMED WITHOUT REGARD TO DATA REMARKS
1                                                                                                                  BIOS/SAS   Page 6
                                                                                                                       Jan. 25, 1989

-DATA RESTRICTIONS:

    **NOTE**
       NO DEPTH INDICATOR RESTRICTIONS WERE SPECIFIED - COMPUTATIONS WILL
       BE PERFORMED WITHOUT REGARD TO DEPTH INDICATORS

    **NOTE**
       NO GRAB/COMPOSITE RESTRICTIONS WERE UTILIZED, SO BOTH GRAB AND COMPOSITE SAMPLE TYPES MAY HAVE
       BEEN INCLUDED - COMPUTATIONS WILL BE PERFORMED WITHOUT REGARD TO SAMPLE TYPE

    **NOTE**
       NO COMPOSITE SAMPLE RESTRICTIONS WERE SPECIFIED - COMPUTATIONS WILL INCLUDE STATISTICAL FEATURES OF
       THE COMPOSITING PROCESS, PRODUCING VALID RESULTS ONLY WHEN SOPHISTICATED COMPOSITES ARE NOT ENCOUNTERED.
       SPECIFY COMPOSITE HANDLING KEYWORDS "ANC" AND/OR "DSROC" IF NEEDED
-
-                                       ***** END OF SUMMARY SECTION *****
1                                                                                                                  BIOS/SAS   Page 7
                                                                                                                       Jan. 25, 1989

 STORET RETRIEVAL DATE 89/01/09                   BIOS FIELD SURVEY PGM=ALLFS                                          PAGE:     1

                                                                   DIFFICULT-10
                                                                  38 56 17.9 077 16 52.8 3
                                                                  WOLF TRAP CREEK AT BROWN'S MILL ROAD
                                                                  51059   VIRGINIA         FAIRFAX
                                                                  NORTH ATLANTIC           021400
 /TYPA/AMBNT/STREAM/BIO                                           POTOMAC RIVER
                                                                  11TRAIN   881227             02070008
                                                                  0000 FEET DEPTH
                                                                  64G  NORTHERN PIEDMONT
                                                                  WOLF TRAP CREEK
                                                                   DATA LOCKED AFTER 30/01.
 SURVEY NUMBER     => 1
   SAMPLE DATE TIME  => 82/07/09 10:25
0COMMUNITY => MACROINVERTEBRATES

 SAMPLE NOTE => MODIFIED HESS SAMPLER USED
 SAMPLE NOTE => BOTTOM DISTURBED TO A DEPTH OF 5 CM
 SAMPLE NOTE => BOTTOM VERY SANDY - NO GOOD RIFFLES
0SAMPLING ENVIRONMENT CHARACTERISTICS:

     P00010 - TEMPERATURE, WATER (DEGREES CENTIGRADE)            =>     22.0
     P00011 - TEMPERATURE, WATER (DEGREES FAHRENHEIT)            =>     71.6 $
     P00300 - OXYGEN, DISSOLVED                             MG/L =>      8.0
     P00301 - OXYGEN, DISSOLVED, PERCENT OF SATURATION         % =>     91.6
     P00400 - PH (STANDARD UNITS)                                =>     7.00
     P00410 - ALKALINITY, TOTAL (MG/L AS CACO3)                  =>       32
     P00900 - HARDNESS, TOTAL (MG/L AS CACO3)                    =>       98
     P82561 - NET CONDUCTIVITY IN WATER                 UMHOS/CM =>   100.00
     P83515 - STREAM, PERCENT SHADED BY CANOPY                 % =>    50.00
0SAMPLING EFFORT INFORMATION:
     GEAR => HESS SAMPLER
         MESH SIZE    => 0.0330 CM
         AREA         =>      890.0 SQ CM
0REFERENCES:
     COLLECTOR     => 1, 2
     IDENTIFIER    => 1, 2

 TAXON NAME => STENONEMA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     9
 TAXON NAME => PSEUDOCLOEON
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     6
 TAXON NAME => ISONYCHIA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    20
 TAXON NAME => STENELMIS
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    18
 TAXON NAME => CHEUMATOPSYCHE

                                              (SAMPLE CONTINUED ON FOLLOWING PAGE)
1                                                                                                                  BIOS/SAS   Page 8
                                                                                                                       Jan. 25, 1989

 STORET RETRIEVAL DATE 89/01/09                   BIOS FIELD SURVEY PGM=ALLFS                                          PAGE:     2

                                                                   DIFFICULT-10
                                                                  38 56 17.9 077 16 52.8 3
                                                                  WOLF TRAP CREEK AT BROWN'S MILL ROAD
                                                                  51059   VIRGINIA         FAIRFAX
                                                                  NORTH ATLANTIC           021400
 /TYPA/AMBNT/STREAM/BIO                                           POTOMAC RIVER
                                                                  11TRAIN   881227             02070008
                                                                  0000 FEET DEPTH
                                                                  64G  NORTHERN PIEDMONT
                                                                  WOLF TRAP CREEK
                                                                   DATA LOCKED AFTER 30/01.
0(SAMPLE CONTINUED FROM PRECEDING PAGE)
0SURVEY NUMBER     => 1
   SAMPLE DATE TIME  => 82/07/09 10:25
0    CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     8
 TAXON NAME => ANTOCHA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    27
 TAXON NAME => DICRANOTA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     4
 TAXON NAME => BRILLIA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    40
 TAXON NAME => CRICOTOPUS
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    35
 TAXON NAME => PENTANEURA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     9
 TAXON NAME => CONSTEMPELLINA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     6
1                                                                                                                  BIOS/SAS   Page 9
                                                                                                                       Jan. 25, 1989

 STORET RETRIEVAL DATE 89/01/09                   BIOS FIELD SURVEY PGM=ALLFS                                          PAGE:     3

                                                                   DIFFICULT-11
                                                                  38 57 38.8 077 18 02.4 3
                                                                  COLVIN RUN AT U.S. ROUTE 7
                                                                  51059   VIRGINIA         FAIRFAX
                                                                  NORTH ATLANTIC           021400
 /TYPA/AMBNT/STREAM/BIO                                           POTOMAC RIVER
                                                                  11TRAIN   881227             02070008
                                                                  0000 FEET DEPTH
                                                                  64G  NORTHERN PIEDMONT
                                                                  COLVIN RUN
                                                                   DATA LOCKED AFTER 30/01.
 SURVEY NUMBER     => 1
   SAMPLE DATE TIME  => 82/07/07 08:30
0COMMUNITY => MACROINVERTEBRATES

 SAMPLE NOTE => MODIFIED HESS SAMPLER USED
 SAMPLE NOTE => BOTTOM DISTURBED TO A DEPTH OF 5 CM
 SAMPLE NOTE => CLEAR WEATHER AND CLEAR STREAM
0SAMPLING ENVIRONMENT CHARACTERISTICS:

     P00010 - TEMPERATURE, WATER (DEGREES CENTIGRADE)            =>     21.0
     P00011 - TEMPERATURE, WATER (DEGREES FAHRENHEIT)            =>     69.8 $
     P00300 - OXYGEN, DISSOLVED                             MG/L =>      7.7
     P00301 - OXYGEN, DISSOLVED, PERCENT OF SATURATION         % =>     86.5
     P00400 - PH (STANDARD UNITS)                                =>     7.00
     P00410 - ALKALINITY, TOTAL (MG/L AS CACO3)                  =>       28
     P00900 - HARDNESS, TOTAL (MG/L AS CACO3)                    =>       70
     P82561 - NET CONDUCTIVITY IN WATER                 UMHOS/CM =>   108.00
     P83515 - STREAM, PERCENT SHADED BY CANOPY                 % =>   100.00
0SAMPLING EFFORT INFORMATION:
     GEAR => HESS SAMPLER
         MESH SIZE    => 0.0330 CM
         AREA         =>      890.0 SQ CM
0REFERENCES:
     COLLECTOR     => 1
     IDENTIFIER    => 1, 2

 TAXON NAME => COLLEMBOLA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     1
 TAXON NAME => STENONEMA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     1
 TAXON NAME => PSEUDOCLOEON
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     3
 TAXON NAME => ISONYCHIA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    41
 TAXON NAME => PHASGANOPHORA

                                              (SAMPLE CONTINUED ON FOLLOWING PAGE)
1                                                                                                                  BIOS/SAS   Page 10
                                                                                                                       Jan. 25, 1989

 STORET RETRIEVAL DATE 89/01/09                   BIOS FIELD SURVEY PGM=ALLFS                                          PAGE:     4

                                                                   DIFFICULT-11
                                                                  38 57 38.8 077 18 02.4 3
                                                                  COLVIN RUN AT U.S. ROUTE 7
                                                                  51059   VIRGINIA         FAIRFAX
                                                                  NORTH ATLANTIC           021400
 /TYPA/AMBNT/STREAM/BIO                                           POTOMAC RIVER
                                                                  11TRAIN   881227             02070008
                                                                  0000 FEET DEPTH
                                                                  64G  NORTHERN PIEDMONT
                                                                  COLVIN RUN
                                                                   DATA LOCKED AFTER 30/01.
0(SAMPLE CONTINUED FROM PRECEDING PAGE)
0SURVEY NUMBER     => 1
   SAMPLE DATE TIME  => 82/07/07 08:30
0    CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     1
 TAXON NAME => STENELMIS
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     1
 TAXON NAME => NIGRONIA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     4
 TAXON NAME => CHEUMATOPSYCHE
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    99
 TAXON NAME => ANTOCHA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     1
 TAXON NAME => DICRANOTA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     6
 TAXON NAME => SIMULIUM
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     5
 TAXON NAME => CRICOTOPUS
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     8
 TAXON NAME => CRYPTOCHIRONOMUS
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     7
 TAXON NAME => PENTANEURA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     8
1                                                                                                                  BIOS/SAS   Page 11
                                                                                                                       Jan. 25, 1989

 STORET RETRIEVAL DATE 89/01/09                   BIOS FIELD SURVEY PGM=ALLFS                                          PAGE:     5

                                                                   DIFFICULT-13
                                                                  38 58 21.4 077 14 33.4 3
                                                                  ROCKY RUN ABOVE GEORGETOWN PIKE
                                                                  51059   VIRGINIA         FAIRFAX
                                                                  NORTH ATLANTIC           021400
 /TYPA/AMBNT/STREAM/BIO                                           POTOMAC RIVER
                                                                  11TRAIN   881227             02070008
                                                                  0000 FEET DEPTH
                                                                  64G  NORTHERN PIEDMONT
                                                                  ROCKY RUN
                                                                   DATA LOCKED AFTER 30/01.
 SURVEY NUMBER     => 1
   SAMPLE DATE TIME  => 82/07/06 10:30
0COMMUNITY => MACROINVERTEBRATES

 SAMPLE NOTE => MODIFIED HESS SAMPLER USED
 SAMPLE NOTE => BOTTOM DISTURBED TO A DEPTH OF 5 CM
0SAMPLING ENVIRONMENT CHARACTERISTICS:

     P00010 - TEMPERATURE, WATER (DEGREES CENTIGRADE)            =>     18.0
     P00011 - TEMPERATURE, WATER (DEGREES FAHRENHEIT)            =>     64.4 $
     P00300 - OXYGEN, DISSOLVED                             MG/L =>      9.3
     P00301 - OXYGEN, DISSOLVED, PERCENT OF SATURATION         % =>     98.6
     P00410 - ALKALINITY, TOTAL (MG/L AS CACO3)                  =>       26
     P00900 - HARDNESS, TOTAL (MG/L AS CACO3)                    =>       52
     P82561 - NET CONDUCTIVITY IN WATER                 UMHOS/CM =>    70.00
     P83515 - STREAM, PERCENT SHADED BY CANOPY                 % =>   100.00
0SAMPLING EFFORT INFORMATION:
     GEAR => HESS SAMPLER
         MESH SIZE    => 0.0330 CM
         AREA         =>      890.0 SQ CM
0REFERENCES:
     COLLECTOR     => 1, 2, 3
     IDENTIFIER    => 1, 2, 3

 TAXON NAME => STENONEMA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     4
 TAXON NAME => PSEUDOCLOEON
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    17
 TAXON NAME => ISONYCHIA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     2
 TAXON NAME => STENELMIS
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     4
 TAXON NAME => OPTIOSERVUS
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     1

                                              (SAMPLE CONTINUED ON FOLLOWING PAGE)
1                                                                                                                  BIOS/SAS   Page 12
                                                                                                                       Jan. 25, 1989

 STORET RETRIEVAL DATE 89/01/09                   BIOS FIELD SURVEY PGM=ALLFS                                          PAGE:     6

                                                                   DIFFICULT-13
                                                                  38 58 21.4 077 14 33.4 3
                                                                  ROCKY RUN ABOVE GEORGETOWN PIKE
                                                                  51059   VIRGINIA         FAIRFAX
                                                                  NORTH ATLANTIC           021400
 /TYPA/AMBNT/STREAM/BIO                                           POTOMAC RIVER
                                                                  11TRAIN   881227             02070008
                                                                  0000 FEET DEPTH
                                                                  64G  NORTHERN PIEDMONT
                                                                  ROCKY RUN
                                                                   DATA LOCKED AFTER 30/01.
0(SAMPLE CONTINUED FROM PRECEDING PAGE)
0SURVEY NUMBER     => 1
   SAMPLE DATE TIME  => 82/07/06 10:30
0TAXON NAME => NIGRONIA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     3
 TAXON NAME => CHEUMATOPSYCHE
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    36
 TAXON NAME => HYDROPSYCHE
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     1
 TAXON NAME => ANTOCHA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     4
 TAXON NAME => BRILLIA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>    10
 TAXON NAME => PENTANEURA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     8
 TAXON NAME => CONSTEMPELLINA
     CONFIDENCE IN IDENTIFICATION => A
     COUNT =>     2
1                                                                                                                  BIOS/SAS   Page 13
                                                                                                                       Jan. 25, 1989

 STORET   RETRIEVAL DATE 89/01/09
 P
 R1
 H N
 DSCXT
 J         Y
 1000000999999000000999999                        ********      77777777 FF
0EXTRACT/MASKING OPTION NOT PERFORMED
 611TRAIN   DIFFICULT-10
 611TRAIN   DIFFICULT-11
 611TRAIN   DIFFICULT-13
 CLR000000
-
0STATIONS SELECTED =      3
 STORET RETRIEVAL DATE  89/01/09   -  ECHO OF ORIGINAL REQUEST
 PGM=ALLFS,
 #
 #  USE THIS STORET RUN STREAM TO BUILD A MACHINE-READABLE
 #  FILE (BFCF) OF DATA FROM STORET BIOS FIELD SURVEY SYSTEM.
 #  ORIGINAL IN    'STORET.HELP.EXAMPLES.SAS.LIBRARY(BFCFTRAP)'
 #
 FILEOUT=BIOSFS,
 A=11TRAIN,UK=********,
 S=DIFFICULT-10,S=DIFFICULT-11,S=DIFFICULT-13,
 MISSING=SAS,
 ./RPX     JOB (MDSRSTORP,D068),STORET,NOTIFY=RPX,
 ./        MSGCLASS=A,MSGLEVEL=(1,1),PRTY=4
 **ROUTE  PRINT HOLD
 **JOBPARM LINES=10
 ./*          BELOW IS THE "BFCF" JCL NEEDED
 ./BFCF DD UNIT=DISK,DISP=(NEW,CATLG),DSN=RPXMDSR.BFCF,
 ./   SPACE=(TRK,(1,1)),
 ./   DCB=(RECFM=VB,LRECL=2004,BLKSIZE=2008)



       3   STATIONS EXAMINED
0      3   STATIONS LOCKED BY OWNER

1









                                                    --------------------
                                                   *                    *
                                                   *      EXHIBIT  3    *
                                                   *        OUTPUT      *
                                                   *                    *
                                                    --------------------


                                                           BIOS/SAS
                                                        Jan. 25, 1989

                                                        Pages 24 through 38






1                                                                                                                  BIOS/SAS   Page 24
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    1
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

 Station            Sample    GEAR            BIOS                 ORDER               Scientific                               Total
 ID                 Date                      Taxonomic                                Name                                     Count
                                              Code

 Station No.1     82-07-09    HESS SAMPLER    470630014022         DIPTERA             BRILLIA                                     40
                                              470630014025         DIPTERA             CRICOTOPUS                                  35
                                              470630001002         DIPTERA             ANTOCHA                                     27
                                              470604003001         EPHEMEROPTERA       ISONYCHIA                                   20
                                              470623050001         COLEOPTERA          STENELMIS                                   18
                                              470604001004         EPHEMEROPTERA       STENONEMA                                    9
                                              470630014054         DIPTERA             PENTANEURA                                   9
                                              470628004002         TRICHOPTERA         CHEUMATOPSYCHE                               8
                                              470604002004         EPHEMEROPTERA       PSEUDOCLOEON                                 6
                                              470630014124         DIPTERA             CONSTEMPELLINA                               6
                                              470630001004         DIPTERA             DICRANOTA                                    4
 -------------    --------                                                                                               ------------
 Station No.1     82-07-09                                                                                                        182
 Station No.1                                                                                                                     182

































                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 25
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    2
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

 Station            Sample    GEAR            BIOS                 ORDER               Scientific                               Total
 ID                 Date                      Taxonomic                                Name                                     Count
                                              Code

 Station No.2     82-07-07    HESS SAMPLER    470628004002         TRICHOPTERA         CHEUMATOPSYCHE                              99
                                              470604003001         EPHEMEROPTERA       ISONYCHIA                                   41
                                              470630014025         DIPTERA             CRICOTOPUS                                   8
                                              470630014054         DIPTERA             PENTANEURA                                   8
                                              470630014035         DIPTERA             CRYPTOCHIRONOMUS                             7
                                              470630001004         DIPTERA             DICRANOTA                                    6
                                              470630012001         DIPTERA             SIMULIUM                                     5
                                              470627002002         MEGALOPTERA         NIGRONIA                                     4
                                              470604002004         EPHEMEROPTERA       PSEUDOCLOEON                                 3
                                              470602               COLLEMBOLA          COLLEMBOLA                                   1
                                              470604001004         EPHEMEROPTERA       STENONEMA                                    1
                                              470615006009         PLECOPTERA          PHASGANOPHORA                                1
                                              470623050001         COLEOPTERA          STENELMIS                                    1
                                              470630001002         DIPTERA             ANTOCHA                                      1
 -------------    --------                                                                                               ------------
 Station No.2     82-07-07                                                                                                        186
 Station No.2                                                                                                                     186





























                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 26
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    3
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

 Station            Sample    GEAR            BIOS                 ORDER               Scientific                               Total
 ID                 Date                      Taxonomic                                Name                                     Count
                                              Code

 Station No.3     82-07-06    HESS SAMPLER    470628004002         TRICHOPTERA         CHEUMATOPSYCHE                              36
                                              470604002004         EPHEMEROPTERA       PSEUDOCLOEON                                17
                                              470630014022         DIPTERA             BRILLIA                                     10
                                              470630014054         DIPTERA             PENTANEURA                                   8
                                              470604001004         EPHEMEROPTERA       STENONEMA                                    4
                                              470623050001         COLEOPTERA          STENELMIS                                    4
                                              470630001002         DIPTERA             ANTOCHA                                      4
                                              470627002002         MEGALOPTERA         NIGRONIA                                     3
                                              470604003001         EPHEMEROPTERA       ISONYCHIA                                    2
                                              470630014124         DIPTERA             CONSTEMPELLINA                               2
                                              470623050008         COLEOPTERA          OPTIOSERVUS                                  1
                                              470628004003         TRICHOPTERA         HYDROPSYCHE                                  1
 -------------    --------                                                                                               ------------
 Station No.3     82-07-06                                                                                                         92
 Station No.3                                                                                                                      92
                                                                                                                         ============






























                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 27
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    4
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.1

                                                      TABLE OF ORDER BY SMP_DATE

                                               ORDER             SMP_DATE(Sample Date)

                                               FREQUENCY        |
                                                PERCENT         |
                                                ROW PCT         |
                                                COL PCT         |82-07-09|  TOTAL
                                               -----------------+--------+
                                               COLEOPTERA       |     18 |     18
                                                                |   9.89 |   9.89
                                                                | 100.00 |
                                                                |   9.89 |
                                               -----------------+--------+
                                               DIPTERA          |    121 |    121
                                                                |  66.48 |  66.48
                                                                | 100.00 |
                                                                |  66.48 |
                                               -----------------+--------+
                                               EPHEMEROPTERA    |     35 |     35
                                                                |  19.23 |  19.23
                                                                | 100.00 |
                                                                |  19.23 |
                                               -----------------+--------+
                                               TRICHOPTERA      |      8 |      8
                                                                |   4.40 |   4.40
                                                                | 100.00 |
                                                                |   4.40 |
                                               -----------------+--------+
                                               TOTAL                 182      182
                                                                  100.00   100.00

















                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 28
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    5
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.2

                                                      TABLE OF ORDER BY SMP_DATE

                                               ORDER             SMP_DATE(Sample Date)

                                               FREQUENCY        |
                                                PERCENT         |
                                                ROW PCT         |
                                                COL PCT         |82-07-07|  TOTAL
                                               -----------------+--------+
                                               COLEOPTERA       |      1 |      1
                                                                |   0.54 |   0.54
                                                                | 100.00 |
                                                                |   0.54 |
                                               -----------------+--------+
                                               COLLEMBOLA       |      1 |      1
                                                                |   0.54 |   0.54
                                                                | 100.00 |
                                                                |   0.54 |
                                               -----------------+--------+
                                               DIPTERA          |     35 |     35
                                                                |  18.82 |  18.82
                                                                | 100.00 |
                                                                |  18.82 |
                                               -----------------+--------+
                                               EPHEMEROPTERA    |     45 |     45
                                                                |  24.19 |  24.19
                                                                | 100.00 |
                                                                |  24.19 |
                                               -----------------+--------+
                                               MEGALOPTERA      |      4 |      4
                                                                |   2.15 |   2.15
                                                                | 100.00 |
                                                                |   2.15 |
                                               -----------------+--------+
                                               PLECOPTERA       |      1 |      1
                                                                |   0.54 |   0.54
                                                                | 100.00 |
                                                                |   0.54 |
                                               -----------------+--------+
                                               TRICHOPTERA      |     99 |     99
                                                                |  53.23 |  53.23
                                                                | 100.00 |
                                                                |  53.23 |
                                               -----------------+--------+
                                               TOTAL                 186      186
                                                                  100.00   100.00


                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 29
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    6
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.3

                                                      TABLE OF ORDER BY SMP_DATE

                                               ORDER             SMP_DATE(Sample Date)

                                               FREQUENCY        |
                                                PERCENT         |
                                                ROW PCT         |
                                                COL PCT         |82-07-06|  TOTAL
                                               -----------------+--------+
                                               COLEOPTERA       |      5 |      5
                                                                |   5.43 |   5.43
                                                                | 100.00 |
                                                                |   5.43 |
                                               -----------------+--------+
                                               DIPTERA          |     24 |     24
                                                                |  26.09 |  26.09
                                                                | 100.00 |
                                                                |  26.09 |
                                               -----------------+--------+
                                               EPHEMEROPTERA    |     23 |     23
                                                                |  25.00 |  25.00
                                                                | 100.00 |
                                                                |  25.00 |
                                               -----------------+--------+
                                               MEGALOPTERA      |      3 |      3
                                                                |   3.26 |   3.26
                                                                | 100.00 |
                                                                |   3.26 |
                                               -----------------+--------+
                                               TRICHOPTERA      |     37 |     37
                                                                |  40.22 |  40.22
                                                                | 100.00 |
                                                                |  40.22 |
                                               -----------------+--------+
                                               TOTAL                  92       92
                                                                  100.00   100.00












                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 30
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    7
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.1

                                                      BLOCK CHART OF COUNT SUMS

                                         .__.
                                        /_./|
                                       |**| |
                                       |**| |
                                       |**| |
                                       |**| |
                                       |**| |
    Sample Date         _______________|**| |__________.__._______________________________________________________________
                       /             / |**| |      /  /_./|      /             /             /             /             /
                      /    .__.     /  |**| |     /  |**| |     /             /             /             /    .__.     /
         82-07-09    /    /_./|    /   |**| |    /   |**| |    /             /             /             /    /_./|    /
                    /    |**|/    /    |**|/    /    |**|/    /             /             /             /    |**|/    /
                   /             /             /             /             /             /             /             /
                  /      18     /      121    /      35     /             /             /             /       8     /
                 /_____________/_____________/_____________/_____________/_____________/_____________/_____________/

                  COLEOPTERA      DIPTERA    EPHEMEROPTERA  COLLEMBOLA    MEGALOPTERA   PLECOPTERA    TRICHOPTERA

                                                                ORDER



























                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 31
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    8
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.2

                                                      BLOCK CHART OF COUNT SUMS

                                                                                                               .__.
                                                                                                              /_./|
                                                                                                             |**| |
                                                                                                             |**| |
                                                                                                             |**| |
                                                       .__.                                                  |**| |
                                         .__.         /_./|                                                  |**| |
    Sample Date         ________________/_./|________|**| |__________________________________________________|**| |_______
                       /             / |**| |      / |**| |      /             /             /             / |**| |      /
                      /             /  |**| |     /  |**| |     /             /             /             /  |**| |     /
         82-07-07    /     .__.    /   |**| |    /   |**| |    /     .__.    /     .__.    /     .__.    /   |**| |    /
                    /     /_./    /    |**|/    /    |**|/    /     /_./    /     /_./    /     /_./    /    |**|/    /
                   /             /             /             /             /             /             /             /
                  /       1     /      35     /      45     /       1     /       4     /       1     /      99     /
                 /_____________/_____________/_____________/_____________/_____________/_____________/_____________/

                  COLEOPTERA      DIPTERA    EPHEMEROPTERA  COLLEMBOLA    MEGALOPTERA   PLECOPTERA    TRICHOPTERA

                                                                ORDER



























                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 32
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989    9
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.3

                                                      BLOCK CHART OF COUNT SUMS

                                                                                                               .__.
                                                                                                              /_./|
                                                                                                             |**| |
                                                                                                             |**| |
                                         .__.          .__.                                                  |**| |
                                        /_./|         /_./|                                                  |**| |
                                       |**| |        |**| |                                                  |**| |
    Sample Date         _______________|**| |________|**| |__________________________________________________|**| |_______
                       /             / |**| |      / |**| |      /             /             /             / |**| |      /
                      /    .__.     /  |**| |     /  |**| |     /             /    .__.     /             /  |**| |     /
         82-07-06    /    /_./|    /   |**| |    /   |**| |    /             /    /_./|    /             /   |**| |    /
                    /    |**|/    /    |**|/    /    |**|/    /             /    |**|/    /             /    |**|/    /
                   /             /             /             /             /             /             /             /
                  /       5     /      24     /      23     /             /       3     /             /      37     /
                 /_____________/_____________/_____________/_____________/_____________/_____________/_____________/

                  COLEOPTERA      DIPTERA    EPHEMEROPTERA  COLLEMBOLA    MEGALOPTERA   PLECOPTERA    TRICHOPTERA

                                                                ORDER



























                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 33
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989   10
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                      BLOCK CHART OF COUNT SUMS








                                 _______________________________________________________________________________________.__._______
                                /             /             /   .__.      /   .__.      /             /             /  /_./|      /
                               /             /             /   /_./|     /   /_./|     /             /           .__. |**| |     /
              Station No.3    /     .__.    /             /   |**| |    /   |**| |    /     .__.    /           /_./| |**| |    /
                             /     /_./    /             /    |**|/    /    |**|/    /     /_./    /           |**| | |**|/    /
                            /             /             /             /             /             /            |**| |         /
                           /       5     /             /      24     / .__. 23     /       3     /             |**| | 37     /
      Station ID          /_____________/_________.__./__.__._______/_/_./|_______/_____________/_____________/|**| |_______/
                         /             /         /_./|  /_./|      / |**| |      /             /             / |**| |      /
                        /             /         |**| | |**| |     /  |**| |     /             /             /  |**| |     /
       Station No.2    /     .__.    /     .__. |**| | |**| |    /   |**| |    /     .__.    /     .__.    /   |**| |    /
                      /     /_./    /     /_./  |**| | |**|/    /    |**|/    /     /_./    /     /_./    /    |**|/    /
                     /             /            |**| |         /             /             /             /             /
                    /       1     /       1     |**| | 35     /      45     /       4     /       1     /      99     /
                   /_____________/_____________/|**| |_______/__.__._______/_____________/_____________/_____________/
                  /             /             / |**| |      /  /_./|      /             /             /             /
                 /    .__.     /             /  |**| |     /  |**| |     /             /             /    .__.     /
 Station No.1   /    /_./|    /             /   |**| |    /   |**| |    /             /             /    /_./|    /
               /    |**|/    /             /    |**|/    /    |**|/    /             /             /    |**|/    /
              /             /             /             /             /             /             /             /
             /      18     /             /      121    /      35     /             /             /       8     /
            /_____________/_____________/_____________/_____________/_____________/_____________/_____________/

             COLEOPTERA    COLLEMBOLA      DIPTERA    EPHEMEROPTERA  MEGALOPTERA   PLECOPTERA    TRICHOPTERA

                                                           ORDER















                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 34
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989   11
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                      BLOCK CHART OF COUNT SUMS

                                                              .__.
                                                             /_./|
                                                            |DD| |
                                                            |DD| |
                                                            |CC| |
                                                            |CC| |
                                                            |CC| |
                                                           _|CC| |___.__.____________________________
                                                          / |CC| |  /_./|             /             /
                                                         /  |CC| | |EE| |            /             /
                                            82-07-09    /   |CC| | |EE| |           /             /
                                                       /    |AA|/  |EE| |          /             /
                                                      /            |EE| |         /             /
                                                     /      182    |EE| |        /             /
                  Sample Date                       /_____________/|EE| |_______/_____________/
                                                   /             / |DD| |      /             /
                                                  /             /  |DD| |     /             /
                                     82-07-07    /             /   |CC| |    /             /
                                                /             /    |CC|/    /             /
                                               /             /             /.__.         /
                                              /             /      186    //_./|        /
                                             /_____________/_____________/|  | |_______/
                                            /             /             / |EE| |      /
                                           /             /             /  |EE| |     /
                              82-07-06    /             /             /   |DD| |    /
                                         /             /             /    |CC|/    /
                                        /             /             /             /
                                       /             /             /      92     /
                                      /_____________/_____________/_____________/

                                      Station No.1  Station No.2  Station No.3

                                                      Station ID

       SYMBOL ORDER             SYMBOL ORDER             SYMBOL ORDER             SYMBOL ORDER             SYMBOL ORDER

         A    COLEOPTERA          B    COLLEMBOLA          C    DIPTERA             D    EPHEMEROPTERA       E    OTHER











                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 35
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989   12
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                          BAR CHART OF SUMS
                                           COUNT SUM

                                                  |                   EEEEE
                                              180 +       EEEEE       EEEEE
                                                  |       DDDDD       EEEEE
                                                  |       DDDDD       EEEEE
                                                  |       DDDDD       EEEEE
                                              150 +       DDDDD       EEEEE
                                                  |       DDDDD       EEEEE
                                                  |       CCCCC       EEEEE
                                                  |       CCCCC       EEEEE
                                              120 +       CCCCC       EEEEE
                                                  |       CCCCC       EEEEE
                                                  |       CCCCC       EEEEE
                                                  |       CCCCC       EEEEE
                                               90 +       CCCCC       EEEEE       EEEEE
                                                  |       CCCCC       DDDDD       EEEEE
                                                  |       CCCCC       DDDDD       EEEEE
                                                  |       CCCCC       DDDDD       EEEEE
                                               60 +       CCCCC       DDDDD       EEEEE
                                                  |       CCCCC       DDDDD       DDDDD
                                                  |       CCCCC       DDDDD       DDDDD
                                                  |       CCCCC       CCCCC       DDDDD
                                               30 +       CCCCC       CCCCC       CCCCC
                                                  |       CCCCC       CCCCC       CCCCC
                                                  |       AAAAA       CCCCC       CCCCC
                                                  |       AAAAA       CCCCC       AAAAA
                                                  -------------------------------------
                                                            S           S           S
                                                            t           t           t
                                                            a           a           a
                                                            t           t           t
                                                            i           i           i
                                                            o           o           o
                                                            n           n           n

                                                            N           N           N
                                                            o           o           o
                                                            .           .           .
                                                            1           2           3

                                                          STATION     Station ID

       SYMBOL ORDER             SYMBOL ORDER             SYMBOL ORDER             SYMBOL ORDER             SYMBOL ORDER

         A    COLEOPTERA          B    COLLEMBOLA          C    DIPTERA             D    EPHEMEROPTERA       E    OTHER



                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 36
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989   13
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.1

                                               SUM PIE CHART OF COUNT GROUPED BY ORDER



                                                        **********************
                                                    ****                      ****
                                                 ***                              ***
                                              ***                                    ***
                                            **                                          **
                                          **                                              **
                                         *                                                  *
                                       **                                                    **
                                      **                                                      **
                                     **                                                      ..**
                                    **                                                    ..    **
                          DIPTERA  *                                                    .         *
                                  **                                                 ..           **
                                  *                                               ..               *
                                 *                                              .                   * COLEOPTERA
                                 *         121                               . .                    *
                                *          66.48%                          .         18              *
                                *                                       . .           9.89%          *
                                *                                    . .                             *
                                *                                                                    *
                                *                                 +   . . . . . . . . .  . . . . . . .
                                *                                       . . .                        *
                                *                                  .          . .     8              *
                                *                                  .              . .. 4.40%         *
                                *                                  .                   . . .         *  OTHER
                                *                                  .                         . .     *
                                 *                                 .                             . .*
                                 *                                 ..                               *
                                  *                                 .                              *
                                  **                                .                             **
                                   *                                .                             *
                                    **                              .         35                **
                                     **                             .         19.23%           **
                                      **                            .                         **
                                       **                           .                        **
                                         *                           .                      *
                                          **                         .                    **
                                            **                       .                  ** EPHEMEROPTERA
                                              ***                    .               ***
                                                 ***                 .            ***
                                                    ****             .        ****
                                                        *************.********
                                                                  *


                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 37
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989   14
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.2

                                               SUM PIE CHART OF COUNT GROUPED BY ORDER



                                        EPHEMEROPTERA   **********************
                                                    ****                      **.*
                                                 ***                           .  ***
                                              ***                             .      ***
                                            **                                .         **
                                          **                                 .            **
                                         *                                  .               *
                                       **                                  .                 **
                                      **               45                  .                  **  DIPTERA
                                     **                24.19%             .                    **
                                    **                                   .                      **
                                   *                                     .                        *
                                  **. .                                 .                         **
                                  *     . .                            .          35               *
                                 *          ..                        ..          18.82%            *
                                 *             . .                    .                             *
                                *                  . ..              .                               *
                                *                       . .         .                                *
                                *                           . .     .                                *
                                *                              .                                     *
                                *                                 +   . . . . . . . . .  . . . . . . .
                                *                                                 . . 2  . . . .     *  OTHER
                                *                                                      1.08%     . . .
                                *                                                                    *
                                *                                                                    *
                                *                                                                    *
                                 *                                                                  *
                                 *                                                                  *
                                  *                                                                *
                                  **                                                              **
                                   *                                                              *
                                    **                                                          **
                                     **                                                        **
                                      **                                                      **
                                       **                 104                                **
                                         *                55.91%                            *
                                          **                                              **
                                            **                                          **
                                              ***                                    ***
                                                 ***                              ***
                                                    ****                      ****
                                                        **********************
                                                    OTHER         *


                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1                                                                                                                  BIOS/SAS   Page 38
                                                                                                                       Jan. 25, 1989

                                                              GMU Study                            15:47 MONDAY, JANUARY 9, 1989   15
                                                               -  -  -
                                                Impact of Urbanization on Insect Biota
                                                      Streams in VA South of DC

                                                       Station ID=Station No.3

                                               SUM PIE CHART OF COUNT GROUPED BY ORDER



                                                        **********************    DIPTERA
                                                    *.**                      ****
                                                 *** .                            ***
                                              ***     .                              ***
                                            **        .                                 **
                                          **           ..                                 **
                                         *              .                                   *
                                       **                .                                   **
                                      **                  .              24                   **
                                     **                   .              26.09%                **
                                    **                     .                                    **
                                   *                        .                                     *
                   EPHEMEROPTERA  **                         .                                    **
                                  *                          .                                     *
                                 *                            ..                               .. . *
                                 *        23                   .                         . . .      *
                                *         25.00%                .                  . . .             *
                                *                                .             . .                   *  COLEOPTERA
                                *                                .       . . .        5              *
                                *                                     . .              5.43%         *
                                *                              .  +   . . . . . . . . .  . . . . . . .
                                *                           . .                                      *
                                *                         .                                          *
                                *                     . .                                            *
                                *                  ..                                                *
                                *              . .                                                   *
                                 *         . .                                                      *
                                 *     . .                                                          *
                                  * . .                                                            *
                                  **                                                              **
                                   *                                                              *
                                    **                                                          **
                                     **                                                        **
                                      **                                                      **
                                       **                           40                       **
                                         *                          43.48%                  *
                                          **                                              **
                                            **                                          **
                                              ***                                    ***
                                                 ***                              ***
                                                    ****                      ****
                                                        **********************
                                                                  *        OTHER

                               RAW DATA RESIDES IN THE EPA STORET/BIOS SYSTEM UNDER AGENCY CODE 11TRAIN
1















                                                  --------------------
                                                 *                    *
                                                 *      EXHIBIT  4    *
                                                 *        OUTPUT      *
                                                 *                    *
                                                  --------------------

                                                       BIOS/SAS
                                                    Jan. 25, 1989

                                                    Pages 43 through 46






1












                                                  --------------------
                                                 *                    *
                                                 *      EXHIBIT  5    *
                                                 *        OUTPUT      *
                                                 *                    *
                                                  --------------------

                                                       BIOS/SAS
                                                    Jan. 25, 1989

                                                    Pages 52 through 56





1                                                                                                                  BIOS/SAS   Page 52
                                                                                                                       Jan. 25, 1989

 STORET RETRIEVAL DATE - 89/01/09                    - TAXONOMIC FILE LISTING -                                  PAGE 0001
0
0RELATIVE
 LINE NO.   USER SUPPLIED KEYWORDS ...
            ================================================================================
   1.       START=0801,STOP=0801,
   2.       NMAX=999999,   LEVEL=VARIETY,
   3.       NOCOUNT,  NOPRINT,  FILEOUT=FMT1,
            ================================================================================

-
-
   SEARCH START KEY ==> 0801
0   SEARCH STOP KEY ==> 0801
0        LIST LEVEL ==> VARIETY
0     OTHER OPTIONS ==> NOPRINT
0                       NOCOUNT
0                       FILEOUT=FMT1
1                                                                                                                  BIOS/SAS   Page 53
                                                                                                                       Jan. 25, 1989

 STORET RETRIEVAL DATE - 89/01/09                    - TAXONOMIC FILE LISTING -                                  PAGE 0002
-
0END OF TAXONOMIC FILE LISTING.
0       RECORDS PROCESSED ==>    1346
0           SPECIES FOUND ==>    1028
0 FILEOUT RECORDS WRITTEN ==>    1346      FILE FORMAT=FMT1
-END OF RUN.


   *** The SAS Log Prints Here But is Not Included in the Sample Output. ***
1                                                                                                                  BIOS/SAS   Page 54
                                                                                                                       Jan. 25, 1989

                                                            INCOMING LIST                          15:55 MONDAY, JANUARY 9, 1989    1
                                                                - * -
                                                              DATA ECHO

                   OBS    SCI_NAME                                         OUR_NAME

                     1    CHLORELLA VULGARIS                               CHLORELLA VULGARIS
                     2    CHLOROCOCCUM                                     CHLOROCOCCUM SP.
                     3    CONFERVA CRINITA                                 CONFERVA CRINITA
                     4    NEPHROCYTIUM NOVUM INCOGNITA                     NEPHROCYTIUM NOVUM INCOGNITA
                     5    OOCYSTIS PELAGICA                                OOCYSTIS PELAGICA
                     6    SCHROEDERIA SETIGYRA                             SCHROEDERIA SETIGYRA

              N=       6
1                                                                                                                  BIOS/SAS   Page 55
                                                                                                                       Jan. 25, 1989

                                                       CRITTER CODE CROSS-MATCH                    15:55 MONDAY, JANUARY 9, 1989    2
                                                                - * -
                                                          OURLIST  -  E.P.A.

   EPA_CODE              STATUS      SCI_NAME                                         OUR_NAME

   080102005001004       MATCHED     CHLORELLA VULGARIS                               CHLORELLA VULGARIS
   080102001001          MATCHED     CHLOROCOCCUM                                     CHLOROCOCCUM SP.
   08010400300300102A    MATCHED     CONFERVA CRINITA                                 CONFERVA CRINITA
   080102005021001       .PREV       NEPHROCYTIUM AGARDHIANUM                         ---
   *   MISSING   *       ..MISSED    NEPHROCYTIUM NOVUM INCOGNITA                     NEPHROCYTIUM NOVUM INCOGNITA
   080105001006          ...NEXT     OCHLOCHAETE                                      ---
   080102005003001       MATCHED     OOCYSTIS PELAGICA                                OOCYSTIS PELAGICA
   080102001003001       .PREV       SCHROEDERIA SETIGERA                             ---
   *   MISSING   *       ..MISSED    SCHROEDERIA SETIGYRA                             SCHROEDERIA SETIGYRA
   080102005018          ...NEXT     SCOTIELLA                                        ---
1                                                                                                                  BIOS/SAS   Page 56
                                                                                                                       Jan. 25, 1989

                                                       CRITTER CODE CROSS-MATCH                    15:55 MONDAY, JANUARY 9, 1989    3
                                                                - * -
                                                          OURLIST  -  E.P.A.

                                                                       CUMULATIVE   CUMULATIVE
                                        STATUS    FREQUENCY   PERCENT   FREQUENCY    PERCENT
                                       -------------------------------------------------------
                                       ..MISSED          2     33.3            2       33.3
                                       MATCHED           4     66.7            6      100.0

1












                                                  --------------------
                                                 *                    *
                                                 *      EXHIBIT  6    *
                                                 *        OUTPUT      *
                                                 *                    *
                                                  --------------------

                                                       BIOS/SAS
                                                    Feb. 25, 1989

                                                        Page 60





1                                                                                                                  BIOS/SAS   Page 60
                                                                                                                       Feb. 18, 1989

                                                           SPECIES OBSERVED                    13:29 THURSDAY, FEBRUARY 16, 1989    1
                                                                - * -
                                                        ALL SELECTED STATIONS

                     ------------------------------------------------------------------------------------------
                    |  SUMMARY OF SPECIES OBSERVATIONS                    |              OBSERVED              |
                    |                                                     |------------------------------------|
                    |                                                     | TIMES  |MINIMUM |MAXIMUM | AVERAGE |
                    |                                                     |OBSERVED| COUNT  | COUNT  |  COUNT  |
                    |-----------------------------------------------------+--------+--------+--------+---------|
                    |CODE             |TAXON            |YEAR             |        |        |        |         |
                    |-----------------+-----------------+-----------------|        |        |        |         |
                    |060102004019     |ZYGOSPHAERA      |1987             |       1|       3|       3|    3.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |3501             |TURBELLARIA      |1988             |       5|      63|      63|   63.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |4501             |POLYCHAETA       |1987             |       2|       5|       5|    5.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |450100026003     |EPHESIELLA       |1987             |       1|       4|       4|    4.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |4502             |OLIGOCHAETA      |1987             |       6|       4|     266|  101.667|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |450203004005001  |LIMNODRILUS      |1986             |        |        |        |         |
                    |                 |HOFFMEISTERI     |                 |       1|      26|      26|   26.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470602           |COLLEMBOLA       |1982             |       1|       1|       1|    1.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604001004     |STENONEMA        |1982             |       3|       1|       9|    4.667|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604001005     |CINYGMULA        |1988             |       8|       6|      10|    7.500|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604001006017  |RHITHROGENA      |1988             |        |        |        |         |
                    |                 |ROBUSTA          |                 |       2|       6|      17|   11.500|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604002002     |AMELETUS         |1988             |       2|      17|      17|   17.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604002004     |PSEUDOCLOEON     |1982             |       3|       3|      17|    8.667|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604002006     |BAETIS           |1988             |       8|     140|     148|  145.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604003001     |ISONYCHIA        |1982             |       3|       2|      41|   21.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604008001008  |EPHEMERELLA      |1988             |        |        |        |         |
                    |                 |DODDSI           |                 |       2|     279|     279|  279.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470604008001009  |EPHEMERELLA      |1988             |        |        |        |         |
                    |                 |INERMIS          |                 |       2|     758|     758|  758.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470615003        |NEMOURIDAE       |1988             |       8|       6|      11|    9.750|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470615003014001  |ZAPADA HAYSI     |1988             |       2|     171|     171|  171.000|
                    |-----------------+-----------------+-----------------+--------+--------+--------+---------|
                    |470615003015001  |PODMOSTA         |1988             |        |        |        |         |
                    |                 |DELICATULA       |                 |       2|     165|     165|  165.000|
                     ------------------------------------------------------------------------------------------


                    (CONTINUED)
