197 resultados para Sewage pollution
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Mode of access: Internet.
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Transportation Department, Office of the Assistant Secretary for Systems Development and Technology, Washington, D.C.
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Description based on: Jan. 2, 1979.
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Mode of access: Internet.
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"Supported by Federal Water Pollution Control Administration, U.S. Department of the Interior. Research project WP-01011."
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Mode of access: Internet.
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"Supported by Federal Water Pollution Control Administration ... research fellowship F1-WP-21, 616, and Ford Foundation."
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Supported by Division of Water Supply and Pollution Control U.S. Public Health Service Research Project WP-138.
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"Supported by Federal Water Pollution Control Administration Research Grant WP 1011."
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"Volumes 2 and 3, which are compilations of the experimental data collected, will be available through the National Technical Information Service, Springfield, Virginia 22151."
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"DOE/EV-0115."
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Mode of access: Internet.
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Cover title.
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At head of title: U. S. Department of Health, Education, and Welfare.
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Mode of access: Internet.