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1.
A guide to the selection of cost-effective wastewater treatment systems. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington : Office of Water Programs Operations, U.S. Environmental Protection Agency, 1975
Availability: Items available for loan: National Library of India (1)Call number: US 628.3.

2.
Design manual onsite wastewater treatment and disposal systems by
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : U.S. Environmental Protection Agency, 1980
Availability: Items available for loan: National Library of India (1)Call number: U.S. 693.8 U.S. 3 D.

3.
Water conservation and reuse : why conserve water? .../ illustrations by Charles A Cole and Charles Speers by
Material type: Text Text; Literary form: Not fiction
Language: English
Publication details: [Washington, D.C.?] : [U.S. Environmental Protection Agency], 1980
Availability: Items available for loan: National Library of India (1)Call number: US 333.720973.

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