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1.
Water pollution control in the primary nonferrous-netals industry : Volume 1 copper, Zinc amd Lead Industries / by J. B. Hallowell...[et. al.] by Series: Environmental protection technology series
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : United States Environmental Protection Agency, 1973
Availability: Items available for loan: National Library of India (1)Call number: U.S 363.7394 Ha 158.

2.
Water pollution control in the primary nonferrous-netals industry by J. B. Hallowell...[et. al.] by Series: Environmental protection technology series
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : U.S.Environmental Protection Agency, 1973
Availability: Items available for loan: National Library of India (1)Call number: U.S 363.7394 Ha 158.

3.
Removal of chromium from plating rinse water using activated carbon / by Richard B. Landrigan and J. B. Hallowell by Series: Environmental protection technology series
Material type: Text Text; Format: print ; Literary form: Not fiction
Language: English
Publication details: Washington, D.C. : U.S. Environmental Protection Agency, 1975
Availability: Items available for loan: National Library of India (1)Call number: U.S 671.735 La 22.

                                                                           
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