SAMPLE_TYPE	VARIABLE	LEGAL_VALUES	DESCRIPTION
EVALVIS	INDEX_NCCA15		Index visit for NCCA 2015 survey - applies to both estuary and Great Lakes sites that are part of NCCA
ENTE	ENT_1X_CCE_100ML		Final Value Enterococci CCE/100 mL: Estimated enterococci calibrator cell equivalents extrapolated to a 100 mL water sample.
ENTE	ENT_1X_STV_COND		>STV 1280 CCE/100mL Condition: =1 if estimated enterococci CCE/100mL exceed Recreational Water Quality Criterion statistical threshold of 1280 CCE/100mL; =0 if less than or equal to STV of 1280 CCE/100mL
ENTE	SAMPLE_VOL		Filtered water sample volume (mL)
DESIGN	PSTL_CODE		State (US) or Province (Canada) abbreviation
DESIGN	STUDY		Study name
ALGX	LAB		Lab that conducted analysis
VERIF	DATE_COL	|01|02|03|04|05|06|07|08|09|10|11|12	Date collected
VERIF	SITE_ID		Site id
VERIF	VISIT_NO	|1|2	Visit: 1/2
VERIF	YEAR		Year site visited
DESIGN	NCCA_REG	Northeast|Southeast|Gulf|West|Great Lakes|	"National Coastal Condition Assessment Region.  Northeast includes states ME, NH, MA, RI, CT, NY, NJ, MD, DE, and VA.  Southeast includes NC, SC, GA, and east coast of FL.  No missing values allowed."
	PUBLICATION_DATE		Date the dataset was published to the NARS site
	UID		Unique identifier for the site/visit
	BATCH_ID		Laboratory batch number
	SAM_CODE		Sample code (Regular/Lab duplicate/Lab split)
	ANALYTE		Analyte
	MATRIX		Material used for analysis
	SAMPLE_TYPE		Code identifying sample type