... Pennsylvania, EPA-ROD/RO 3-8 5-0 12, U.S. Environmental Protection Agency, Region 3,Philadelphia, PA, 1985.17. USEPA, EPA’s contaminated sediment management strategy, EPA-823-R-9 8-0 01, U.S. Environmental Protection ... (30-dayaverage)1.20 mg/l (1-day max)0.65 mg/l (30-dayaverage)1.20 mg/l (1-day max)0.65 mg/l (30-dayaverage)1.20 mg/l (1-day max)0.65 mg/l (30-dayaverage)Amenable cyanide 0.86 mg/l (1-day ... and Wastes, EPA-600/ 4-7 9-0 20, U.S. Environmental Protection Agency, National Exposure10. USGS, Method I-430 2-8 5: Cyanide, total recoverable; colorimetric, barbituric acid, automated-1985.11....