TagEPA(85)
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1998-12-17
EXH AR041832: Laboratory Guidance and Whole Effluent Toxicity Test Review Criteria
Washington State Department of Ecology, Water Quality Program publication (WQ-R-95-80, revised December 1998) providing laboratory guidance and Whole Effluent Toxicity (WET) test review criteria. Covers WET testing requirements in NPDES permits, options for permittees, invalid test criteria including EPA statistical flowcharts, negative controls, test termination, acceptable start counts, pH adjustment, randomization, and power standards. Also -
1998-12-08
Exhibit AR-026486: Memorandum on Development of a Site-Specific Copper Translator for the Port Of Seattle
Memorandum dated December 8, 1998 from Justin Kophs to Linda Logan (cc: Doug Henderson) summarizing options for developing a site-specific copper metals translator for the Port Of Seattle. Discusses WDOE recommendations for dissolved/total recoverable metal partitioning studies incorporating seasonal variation, WAC 173-201A, and two key EPA documents: Prothro (1993) attachment B from the Water Quality -
1998-02-01
EXH AR041523: Washington State Department of Ecology Water Quality Program — Whole Effluent Toxicity (WET) Program Evaluation
Whole Effluent Toxicity (WET) Program Evaluation prepared by Randall Marshall, WET Coordinator, Washington State Department of Ecology Water Quality Program, February 1998 (Publication #98-03). Evaluates implementation of Washington State’s WET regulation adopted October 1993, covering WET test review, effluent toxicity data, the state’s WET rule (WAC), EPA WET policy, SETAC Pellston Workshop (September 1995), EPA -
1997-06-01
EXH AR041138: Water Quality Criteria for Copper — A Need for Revisions to the National Standard
Article by John C. Hall, William T. Hall, and Charles J. Simmons published in Water Environment & Technology (June 1997) arguing that EPA’s 1984 and 1993 copper water quality criteria should not be applied directly to municipal effluents (POTWs) because dissolved copper in biologically treated effluents is complexed with organic and inorganic matter and is -
1996-07-01
EXH AR033736: Soil Screening Guidance: User’s Guide, Second Edition
EPA Soil Screening Guidance: User’s Guide, Second Edition (Publication 9355.4-23, EPA/540/R-96/018), published July 1996 by the U.S. Environmental Protection Agency Office of Emergency and Remedial Response (OERR), Office of Solid Waste and Emergency Response. This Superfund guidance document provides soil screening levels (SSLs) and methodologies for evaluating contaminated soil at Superfund sites, including statistical approaches -
1996-04-01
EXH AR033734: Soil Screening Guidance: User’s Guide
EPA Superfund publication 9355.4-23 (April 1996), ‘Soil Screening Guidance: User’s Guide,’ issued by the United States Environmental Protection Agency Office of Solid Waste and Emergency Response, Washington DC 20460. Exhibit AR033734. Includes Table C-4 presenting metal Kd values (L/kg) as a function of pH for metals including arsenic (Ag), barium (Ba), beryllium (Be), cadmium (Cd), -
1995-01-01
EXH AR037691: The Acute Whole Effluent Toxicity of Storm Water from an International Airport
Academic journal article published in Environmental Toxicology and Chemistry (Vol. 14, No. 6, 1995) by Fisher, Knott, Turley, Turley, Yonkos, and Ziegler from the University of Maryland and Maryland Department of the Environment. Study characterizes acute whole effluent toxicity (WET) of storm water from Baltimore-Washington International Airport (BWI) on fathead minnow (Pimephales promelas) and daphnid -
1994-08-01
EXH AR037430: EPA Water Quality Standards Handbook: Second Edition — Appendix L, Interim Guidance on Determination and Use of Water-Effect Ratios for Metals
EPA Water Quality Standards Handbook, Second Edition (EPA-823-B-94-005a), August 1994, published by the EPA Office of Water (4305). Includes Appendix L: Interim Guidance on Determination and Use of Water-Effect Ratios for Metals, and a February 22, 1994 memorandum (EPA-823-B-94-001) from Tudor T. Davies, Director, Office of Science and Technology, to Water Management Division Directors Regions -
1994-03-01
EXH AR028121: Guidelines for Developing Freshwater Wetlands Mitigation Plans and Proposals
Guidelines for developing freshwater wetlands mitigation plans and proposals, published March 1994 as Ecology Publication #94-29. Jointly produced by Washington State Department of Ecology, Washington State Department of Fish and Wildlife, U.S. Army Corps of Engineers, U.S. Environmental Protection Agency, and U.S. Fish and Wildlife Service. Covers restoration, creation, and enhancement of freshwater wetlands as