Search Results for the EPA National Library Catalog

Items Found: 4

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Your Search: (AUTHOR=Ewing AND Ben AND B.)

 
 
 

Select Item Title Year Published
Economic impact of a proposed change in lead effluent standards 1980
Monitoring to detect previously unrecognized pollutants in surface waters / 1977
Monitoring to detect previously unrecognized pollutants in surface waters / 1977
Monitoring to detect previously unrecognized pollutants in surface waters : appendix : organic analysis data / 1977

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