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- 79619009 contributor B3699718.
- 79619009 contributor B3699719.
- 79619009 contributor B3699720.
- 79619009 created "1971.".
- 79619009 date "1971".
- 79619009 date "1971.".
- 79619009 dateCopyrighted "1971.".
- 79619009 description "Bibliography: p. 61-62.".
- 79619009 extent "viii, 143 p.".
- 79619009 isPartOf "Water pollution control research series".
- 79619009 issued "1971".
- 79619009 issued "1971.".
- 79619009 language "eng".
- 79619009 publisher "Washington [Environmental Protection Agency, Research and Monitoring]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.,".
- 79619009 subject "628/.354".
- 79619009 subject "Metals Pickling By-products.".
- 79619009 subject "Sewage Purification Activated sludge process.".
- 79619009 subject "TD756 .M55".
- 79619009 subject "Water Phosphorus content.".
- 79619009 title "Phosphorus removal with pickle liquor in an activated sludge plant. [Prepared] for the Environmental Protection Agency.".
- 79619009 type "text".