COLUMN_ID,COLUMN_NAME,UNIT,DESCRIPTION,DATA_TYPE,DATA_LENGTH,PRIMARY_KEY
1,SITE_ID,,Site identification code,CHAR,6,1
2,DATE_TIME,,"Date and time sample collection began, Local Standard Time; mm/dd/yyyy hh:mm:ss.",DATE,19,2
3,PARAMETER,,Abbreviated chemical symbol of parameter measured,CHAR,10,3
4,VALUE,ppb,Numeric value of parameter measured; ppb.,NUMBER,"16,4",
5,VALUE_F,,Data quality code for VALUE,CHAR,1,
6,QA_CODE,,Quality assurance level of the record. (see QAPP for definition of quality assurance levels),CHAR,2,
7,UPDATE_DATE,,Date and time of last record update,DATE,19,
