Nutrient Benchmarks Used in Contaminant Exceedance Plots

in the Heinz Center Report--The State of the Nation's Ecosystems

(See below for codes and references.)

NAME					DRW*	EUTROPH**	RPTUNITS	DRWSRC*
===================================	===	======= 	=========	======
Dissolved nitrite plus nitrate as N	10			MG/L AS N	MCL	
Total phosphorus, as P				0.1		MG/L		




# ####################################################################
#
#     *  DRW:  Drinking Water Criteria:
#
#     *  DRWSRC Source Codes:   Source of data in the  DRW column:
#
#           MCL=EPA maximum contaminant level in drinking water
#
#
#     References:
# 
#                    USEPA, 1999a, Drinking water regulations
#                     and health advisories, Office of water,
#                     (http://www.epa.gov/OST/Tools/dwstds.html).
#
#                    USEPA, 1999b, Integrated Risk Information
#                     System (IRIS) database, Office of Research
#                     and Development, National Center for
#                     Environmental Assessment,
#                     (http://www.epa.gov/iris).
# ###################################################################
#
#    **  EUTROPH:  Criterion for the prevention of eutrophication
#		   of streams not flowing directly into lakes or
#		   impoundments.
#
# ###################################################################