"SAMPLE_TYPE" "PARAMETER" "DESCRIPTION" "UNITS" "RANGE_LOW" "RANGE_HIGH" "LEGAL_VALUES" "TRIA" "ABSORBANCE" "Absorbance value" "ABSORBANCE_UNITS" "Units for parameter ABSORBANCE" "TRIA" "ANALYST" "Laboratory analyst" "ANALYTE" "Analyte" "BATCH_ID" "Laboratory batch number" "TRIA" "DATE_ANALYZED" "Date of sample analysis" "VERIF" "DATE_COL" "Date collected" "" "" "TRIA" "DATE_RECEIVED" "Date sample was received by lab" "datetime" "TRIA" "HOLDING_TIME" "Sample holding time - days" "HOLDING_TIME_UNITS" "Days" "LAB" "Laboratory" "MATRIX" "Material used for analysis" "TRIA" "MDL" "Minimum detection limit of analyte - ppb" "PPB" "TRIA" "NARS_FLAG" "Flag assigned by NARS: ND=Below detection, L=Estimated, S=Shipping, H=Holding time exceeded, Q=Other quality issue" "PUBLICATION_DATE" "Date the dataset was published to the NARS site" "TRIA" "RESULT" "Analyte value - ppb" "PPB" "RESULT_UNITS" "Result unit" "RL" "Laboratory reporting limit" "SAM_CODE" "Sample code (Regular/Lab duplicate/Lab split)" "SAMPLE_TYPE" "Code identifying sample type" "VERIF" "SITE_ID" "Identification code for site" "" "" "" "UID" "Unique identifier for the site/visit" "VERIF" "VISIT_NO" "Sequential number of visit to site" "" "" "|1|2"