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 SEDG TOTALHG_RESULT Analyte value for bottom sediment mercury for Total Mercury SEDG TOTALHG_UNITS Units for Total Mercury SEDG TOTALHG_BATCH_ID Batch ID from lab for Total Mercury SEDH METHYLMERCURY_RESULT Analyte value for top sediment mercury for Methyl mercury SEDH METHYLMERCURY_UNITS Units for Methyl mercury SEDH METHYLMERCURY_BATCH_ID Batch ID from lab for Methyl mercury SEDH TOTALHG_RESULT Analyte value for top sediment mercury for Total Mercury SEDH TOTALHG_UNITS Units for Total Mercury SEDH TOTALHG_BATCH_ID Batch ID from lab for Total Mercury ECO_BIO Bioregions LAB Lab name PUBLICATION_DATE Publication Date SEDH_SAMPLE_ID Top Sediment sample ID UID Unique Site Visit ID