Chemical Name Chemical Groups CASRN Water Quality Guidelines
for the Protection of Aquatic Life
Freshwater Marine
Concentration
(µg/L)
Short Term
Concentration
(µg/L)
Long Term
Date Concentration
(µg/L)
Short Term
Concentration
(µg/L)
Long Term
Date
Boron Inorganic, Metals 7440-42-8 29,000μg/L 1,500μg/L 2009 NRG NRG 2009
Chemical Name Chemical Groups CASRN Water Quality Guidelines
for the Protection of Agriculture
Irrigation Livestock
Concentration
(µg/L)
Date Concentration
(µg/L)
Date
Boron Inorganic, Metals 7440-42-8 Variable 1987 No data 1987
Chemical Name Chemical Groups CASRN Sediment Quality Guidelines
for the Protection of Aquatic Life
Freshwater Marine
Concentration
(µg/kg dry weight)
ISQG
Concentration
(µg/kg dry weight)
PEL
Date Concentration
(µg/kg dry weight)
ISQG
Concentration
(µg/kg dry weight)
PEL
Date
Boron Inorganic, Metals 7440-42-8 No data No data No data No data No data No data
Chemical Name Chemical Groups CASRN Soil Quality Guidelines
for the Protection of Environmental and Human Health
Concentration
(mg/kg dry weight)
Agricultural
Concentration
(mg/kg dry weight)
Residential/ parkland
Concentration
(mg/kg dry weight)
Commercial
Concentration
(mg/kg dry weight)
Industrial
Date
Boron Inorganic, Metals 7440-42-8 2 No data No data No data 1991
Chemical Name Chemical Groups CASRN Tissue Residue Quality Guidelines
for the Protection of Widlife Consumer of Aquatic Biota
Concentration
(µg/kg diet wet weight)
Date
Boron Inorganic, Metals 7440-42-8 No data No data
Chemical Name Chemical Groups CASRN Groundwater Quality Guidelines for the Protection of Environmental and Human Health
Coarse Soil Fine Soil
Concentration
(mg/L)
Agricultural/ Residential
Concentration
(mg/L)
Commercial/ Industrial
Concentration
(mg/L)
Agricultural/ Residential
Concentration
(mg/L)
Commercial/ Industrial
Date
Boron Inorganic, Metals 7440-42-8 No data No data No data No data No data