Pennsylvania Bioassays and Biomonitoring regulations & environmental compliance analysis

Pennsylvania Bioassays and Biomonitoring: What you need to know

Governing Law and Regulations

Water quality criteria for toxics substances: 25 Pennsylvania Code (Pa. Code) 16.21 to 16.23

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Environmental Laboratory Accreditation Act, Pennsylvania Act (Pa. Act) No. 25 of 2002

Bioassays and permits: 25 Pa. Code 92a.2

Criteria development: 25 Pa. Code 16.22

Information sources: 25 Pa. Code 16.23

Whole effluent toxicity (WET) criteria: 25 Pa. Code 16.52

Sewage discharger reporting: 25 Pa. Code 92a.27

Laboratory accreditation: 25 Pa. Code 252.1 to 252.708

Regulatory Agencies

Pennsylvania Department of Environmental Protection (DEP) Office of Water Management Bureau of Point and Non-Point Source Management

DEP Office of Field Operations Bureau of Laboratories

U.S. Environmental Protection Agency (EPA) Region 3

See ADDRESSES & CONTACTS for addresses and telephone numbers.

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 ...


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Pennsylvania Bioassays and Biomonitoring Resources

Type Title
Checklists Quality Assurance Manual Checklist
Forms Whole Effluent Toxicity (WET) Test Report
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