... D.C., 19 85, 57 10 U.S EPA, Ambient Aquatic Life Criteria for Cadmium -1 9 84, U.S EPA 440/ 5-8 4032, Washington, D.C., 19 85, 12 7 11 Hall, L.W., Jr., Scott, M.C., and Killen, W.D., Ecological risk assessment ... D.C., 19 96, 249 U.S EPA, Framework for Ecological Risk Assessment, U.S EPA/630/R-92/0 01, Risk Assessment Forum, Washington, D.C., 19 92, 41 National Oceanic and Atmospheric Administration (NOAA) 19 98 ... estuarine environment on risk assessment need careful consideration 1. 2 APPLICATION OF RISK ASSESSMENT IN ESTUARIES Although the use of ecological risk assessment in aquatic, and especially estuarine, ...