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1. Process design manual for upgrading existing wastewater treatment plants / [Prepared for the Office of Technology Transfer. U.S. Environmental Protection Agency.]

by Metcalf & Eddy Inc | Brenner, Richard C | United States. Environmental Protection Agency. Technology transfer | Roy F. Weston Inc.

Call number: 628.3 PROu Ref. Edition: [1st revision.]Material type: book Book; Format: print Publisher: Washington : U.S. Environmental Protection Agency], 1974Availability: Items available for reference: [Call number: 628.3 PROu Ref.] (3).

2. Process design manual for upgrading existing wastewater treatment plants : for Environmental Protection Agency, Technology Transfer / October, 1971.

by Roy F. Weston Inc | United States. Environmental Protection Agency. Technology transfer.

Call number: 628.16 EPA no.17090 GNQ Ref. Material type: book Book; Format: print Publisher: (Washington : U.S. Govt. Print. Off., 1971)Availability: Items available for loan: BSTI [Call number: 628.16 EPA no.17090 GNQ Ref.] (1).