• 1 Books
• 1 Journals, Magazines, Newspapers
• 1 Microforms

• 1 Environmental aspects
• 1 Food industry and trade
• 1 Hazardous substances
• 1 Pollution
• 1 Purification
• 1 Sewage

• 1 National Symposium on Food Processing Wastes (1st : 1970 : Portland, Or.)
• 1 Pacific Northwest Water Laboratory
• 1 United States. Environmental Protection Agency. Office of Pollution Prevention and Toxics

• 2 English

• 1 Congresses

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