Reference Location Type(ReferenceLocationTypeCode) 1 Control a group or individual used as a standard of comparison for checking the results of a survey or experiment. 2008-07-18T11:58:17 AMERICA/NEW_YORK Reference Location Type(ReferenceLocationTypeCode) 2 Random Location made, or occurring without definite aim, reason, or pattern: characterized selection in which each item of a set has an equal probability of being chosen. 2008-07-18T11:58:18 AMERICA/NEW_YORK Reference Location Type(ReferenceLocationTypeCode) 3 Reference strategically chosen areas of similar chemical and physical characteristics used to compare impacts of disturbed areas 2008-07-18T11:58:18 AMERICA/NEW_YORK Reference Location Type(ReferenceLocationTypeCode) 4 Treatment Site Any site that improves the quality of water to make it more acceptable for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment. 2008-07-18T11:58:19 AMERICA/NEW_YORK