"VARIABLE"	"DESCRIPTION"	"UNITS"	"RANGE_LOW"	"RANGE_HIGH"	"LEGAL_VALUES"
"ALG_GROUP"	"Algae group in count: DIATOM or SOFT ALGAE"				
"CELLS_BOTTLE"	"Estimated number of cells of taxon in entire bottle"	""			
"COUNT_TYPE"	"Type of count performed: LONGNORMAL, SHORTNORMAL, LONGQAQC, SHORTQAQC, LIVE-DEAD"				
"DATE_COL"	"Date of field collection"				
"NO_CELLS_CNTD"	"Number of cells of taxon counted"	""			
"NO_NAT_UNITS_CNTD"	"Number of natural units of taxon counted (for colonial soft algae, natural unit may be colony or filament)"	""			
"NO_VALVES_CNTD"	"Number of diatom valves of taxon counted"	""			
"NRSA_TAXON_NAME"	"Taxon name used for NRSA"	""			
"PROP_BIOVOL_ALL_ALGAE"	"Biovolume proportion of taxon among all algae"	""			
"PROP_BIOVOL_SOFT_ALGAE"	"Biovolume proportion of taxon among soft algae"	""			
"PROP_CELLS_ALL_ALGAE"	"Proportion of cells among all algae"	""			
"PROP_CELLS_SOFT_ALGAE"	"Proportion of cells among soft algae"	""			
"PROP_NAT_UNITS_SOFT_ALGAE"	"Proportion of natural units among soft algae"	""			
"PROP_UNITS_ALL_ALGAE"	"Proportion of natural units among all algae"	""			
"PROP_VALVES_CNTD"	"Proportion of valves counted"	""			
"SAMPLE_CAT"	"Sample category (Primary/Duplicate/Filter blank)"				
"SAMPLE_ID"	"Sample ID number."	"NONE"			""
"SAMPLE_TYPE"	"Sample type"				
"SITE_ID"	"Site identification code"				
"TAXA_ID"	"Taxonomic ID number"				
"UID"	"Unique site visit ID"				
"UNITS_BOTTLE"	"Estimated number of natural units in entire bottle"	""			
"VISIT_NO"	"Visit number for that year"				
"YEAR"	"Sampling year"				
"PERI_FIELDCOM"	"Field comment"				
"PERI_LABCOM"	"Laboratory comment"				
