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- 70614722 contributor B2004083.
- 70614722 contributor B2004084.
- 70614722 created "1971.".
- 70614722 date "1971".
- 70614722 date "1971.".
- 70614722 dateCopyrighted "1971.".
- 70614722 description "Includes bibliographical references.".
- 70614722 extent "viii, 99 p.".
- 70614722 isPartOf "Water pollution control research series".
- 70614722 issued "1971".
- 70614722 issued "1971.".
- 70614722 language "eng".
- 70614722 publisher "Washington [Water Quality Office, Environmental Protection Agency]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.,".
- 70614722 subject "628/.35".
- 70614722 subject "Nitrates.".
- 70614722 subject "Sewage Purification Ion exchange process.".
- 70614722 subject "TD757.5 .D68".
- 70614722 title "Nitrate removal from wastewaters by ion exchange. [Prepared] for the Water Quality Office, Environmental Protection Agency.".
- 70614722 type "text".