1
Published 1979.
Subjects: '; ...United States. Environmental Protection Agency. Quality criteria for water....

Report Number(s): APA 3089

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2
Published [1980]
Subjects: '; ...Air quality management United States....

Report Number(s): EPA-450/4-80-012 APA 2116

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3
Subjects: '; ...Water temperature Standards United States....

Report Number(s): SUS 5010

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