1Water Permitting 101.Office of Wastewater Management-Water Permitting.
2A strategy for national clean water industrial regulations.U.S.Environmental Protection Agency,Office of Science and Technology Engineering and Analysis Division,EPA-821-R-02-025.
3National whole effluent toxicity (WET) implementation guidance under the NPDES Program,U.S.Environmental Protection Agency,Office of Waste Water Management,EPA 832-B-04-003.
