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
Cyanide Inorganic 57-12-5 No data 5 (as free CN) 1987 No data No data No data
Chemical Name Chemical Groups CASRN Water Quality Guidelines
for the Protection of Agriculture
Irrigation Livestock
Concentration
(µg/L)
Date Concentration
(µg/L)
Date
Cyanide Inorganic 57-12-5 No data No data No data No data
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
Cyanide Inorganic 57-12-5 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
Cyanide Inorganic 57-12-5 0.9 0.9 8 8 1997
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
Cyanide Inorganic 57-12-5 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
Cyanide Inorganic 57-12-5 No data No data No data No data No data