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Available at 1 libraries

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Available at 11 libraries

U.S. Environmental Protection Agency 1987 Seminar publication

Available at 1 libraries

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Noyes Data Corp. 1987 Pollution technology review no. 141

Available at 5 libraries

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U.S. Environmental Protection Agency, Office of Research and Development , Municipal Environmental Research Laboratory, Center for Environmental Research Information [1979]

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U.S. Environmental Protection Agency, Environmental Research Information Center 1978-