240 resultados para Water--Pollution--Measurement.
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"May, 1989."
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"Project 86/7005."
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Project no. 80.261.
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Description based on: 2000 edition.
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"October 1994."
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Description based on: FY 1989 (Sept. 1988) ; title from cover.
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Latest issue consulted: Federal fiscal year 1988.
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"23 April 1987."
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Cover title.
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Issued jointly with the Office of Research and Development, EPA.
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Prepared for the National Commission on Water Quality.
Sacramento River water pollution survey : Appendix A: Hydrography, hydrology, and water utilization.
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Mode of access: Internet.
Water pollution in the National Capital region : hearings ... Ninety-first Congress, second session.
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Hearings held Mar. 25-June 25, 1970.
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Includes bibliographical references (p. 100-103).
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Cover title.