Washington Bioassays and Biomonitoring: What you need to know

Governing Law and Regulations

State toxicity testing program: Revised Code of Washington (RCW) 90.48.520

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Whole effluent toxicity (WET) testing: Washington Administrative Code (WAC) 173-205-010 to 173-205-130

Effluent characterization: WAC 173-205-040

Effluent toxicity testing: WAC 173-205-050

Dangerous waste criteria: WAC 173-303-110

Laboratory accreditation: WAC 173-50-010 to 173-50-220

Accreditation categories: WAC 173-50-120

Application procedures: WAC 173-50-060, WAC 173-50-063, and WAC 173-50-130

Quality Assurance (QA): WAC 173-50-067

Proficiency testing (PT): WAC 173-50-070

Audits: WAC 173-50-080

Regulatory Agencies

Washington Department of Ecology (WDOE) Water Quality Program

Washington Department of Health (DOH) Division of Drinking Water

U.S. Environmental Protection Agency (EPA) Region 10

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Washington is fully authorized by the U.S. Environmental Protection Agency (EPA) to administer the National Pollutant Discharge Elimination System (NPDES) permit program and may require biological monitoring as a condition of an NPDES wastewater discharge permit. The Washington Department of Ecology (WDOE) also requires acute and chronic toxicity testing of some discharges. For additional information about the federal requirements, see the national section BIOASSAYS/BIOMONITORING.

Washington has established a program for the accreditation of environmental laboratories.

Administration and enforcement. WDOE's Water Quality Program and the WDOE regional offices are responsible for the administration and enforcement of the state's biological effluent toxicity ...

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State Requirements

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Washington Bioassays and Biomonitoring Resources

Bioassays and Biomonitoring Products

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