"VARIABLE"	"DESCRIPTION"	"SAMPLE_TYPE"	"UNITS"	"RANGE_LOW"	"RANGE_HIGH"	"LEGAL_VALUES"
"DATE_COL"	"Date of field collection"					
"HG_COND"	"Site condition class based on mercury concentration in fish tissue"	"FTIS"	""			"Does Not Exceed 300 mg Hg/g ww|Exceeds 300 mg Hg/g ww|No Data|Not Assessed|No Sample Collected"
"SAMPLE_TYPE"	"Sample type"					
"SITE_ID"	"Site identification code"					
"UID"	"Unique site visit ID"					
"VISIT_NO"	"Visit number for that year"					
"YEAR"	"Sampling year"