SAMPLE_TYPE DATA_COLUMN LABEL LEGAL_VALUES RANGE_HIGH RANGE_LOW UNITS DESIGN AGGR_ECO3_2015 "NARS 3-level reporting region (2015), based on aggregating AGGR_ECO9_2015 reporting regions" EHIGH|PLNLOW|WMTNS DESIGN AGGR_ECO9_2015 "NARS 9-level reporting region (2015), based on aggregated Omernik Level III ecoregions" CPL|NAP|NPL|SAP|SPL|TPL|UMW|WMT|XER DESIGN STATE State lake is assigned to for sampling in NLA 2012 VERIF DATE_COL Date of sample collection None VERIF SITE_ID Identification code for site VERIF VISIT_NO Sequential number of visit to site |1|2 TRIA ATRAZINE_RESULT Analyte value for Atrazine ppb TRIA ATRAZINE_FLAG Flag for Atrazine TRIA ATRAZINE_DATE_ANALYZED Date sample was processed by lab for Atrazine datetime TRIA ATRAZINE_DATE_RECEIVED Date sample was received by lab for Atrazine datetime TRIA ATRAZINE_BATCH_ID Batch ID from lab for Atrazine TRIA ATRAZINE_MDL Quality information: Method Detection Limit (MDL) associated with sample for Atrazine ppb TRIA ATRAZINE_QA_FLAG QA flag for Atrazine TRIA ATRAZINE_HOLDING_TIME Time between sampling and lab analysis (days) for Atrazine days TRIA ATRAZINE_LOQ Quality information: Limit of Quantitation (LOQ) associated with sample for Atrazine ppb TRIA ATRAZINE_UNITS Units for Atrazine UID Unique site visit ID ECO_BIO Bioregions PUBLICATION_DATE Publication Date LAB Lab name TRIA_SAMPLE_ID Triazine sample ID