... National Laboratory, Oak Ridge, TN, 199 4 U.S Environmental Protection Agency, Framework for Ecological Risk Assessment, Risk Assessment Forum, Washington, 199 2 U.S Environmental Protection Agency, ... Washington, 199 3b U.S Environmental Protection Agency, A Review of Ecological Case Studies from a Risk Assessment Perspective, Vol II, Risk Assessment Forum, Washington, 199 4 U.S Environmental ... framework and its successor documents (for example, U.S EPA, 199 3a, 199 4, 199 5) can help reviewers ensure that an ERA uses an upto-date structural approach and terminology familiar to regulators...