Search Results for the EPA National Library Catalog

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Select Item Title Year Published
Water quality benefits analysis of final effluent limitations guidelines and standards for the coastal subcategory of the oil and gas extraction industry. 1996
Watershed-based National Pollutant Discharge Elimination System (NPDES) permitting implementation guidance. 2003
Wetland treatment systems : FY 91-96 Research plan for the USEPA wetlands research project. 1990
Whole effluent toxicity (WET) control policy : policy for the evelopment of effluent limitations in national pollutant discharge elimination system permits to control whole effluent toxicity for the protection of aquatic life. 1994
Workshop Training Manual for Wastewater Treatment and Disposal for Small Communities. 1981
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