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" Practicable means of treating municipal sewage and other waterborne wastes to remove the maximum possible amounts of physical, chemical, and biological pollutants in order to restore and maintain the maximum amount of the Nation's water at a quality suitable... "
Supplemental Appropriation Bill, 1962: Hearings Before the Subcommittee of ... - Page 404
by United States. Congress. House. Committee on Appropriations - 1961 - 933 pages
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Technology and the American Economy: Report, Volumes 5-6

United States. National Commission on Technology, Automation, and Economic Progress - 1966 - 115 pages
...waterborne wastes to remove the maximum possible amounts of physical, chemical and biological pollutants to restore and maintain the maximum amount of the Nation's water at ч quality suitable for reuse. At present, even with V-152 WATER POLLUTION V-153 ie most complete sewage...
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