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See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Pennsylvania is fully authorized to administer the federal National Pollutant Discharge Elimination System (NPDES) permit program for wastewater discharges and point source discharges. Any discharge that is expected to contain toxic pollutants will require bioassay studies and a toxicity reduction schedule where toxicity is confirmed (25 Pa. Code 16.22 to 16.23). The Pennsylvania Department of Environmental Protection (DEP) may require additional or more stringent effluent limitations or standards necessary to achieve water quality standards established under federal and state water quality regulations. See the national section BIOASSAYS/BIOMONITORING for more information.
Consistent with the U.S. Environmental Protection Agency's (EPA) approach to acute and chronic testing, the DEP, whenever possible, develops acute and ...