Aquatic Toxicology

Protection of endangered species under the Clean Water Act, developments of effects thresholds for stressors without standards, development of site-specific water quality standards, and water quality compliance for stormwater...

Parametrix expertise encompasses some of the most recently debated scientific issues. Our toxicologists are skilled in effluent and sediment toxicity testing (freshwater and marine). Involvement in advisory groups at the national and international level enables us to provide clients with a unique combination of practical support and the newest science.

Risk Assessments

Our services:

Critical toxicity database review
Development of toxicological effects thresholds
Hazard Assessments
Probabilistic risk assessments
Statistical evaluation of water quality data
Development of site-specific standards
Biosurveys
Chemistry data QA/QC

Selected projects:

Duwamish River/Elliott Bay Water Quality Assessment - King County, WA
Risk Assessment, Clean-up Goals & Remediation for Acid Rock Drainage in Pinal Creek - Arizona State Superfund Site
Aquatic Evaluation of Mine Tailings in Marine Environment - Lihir Island, South Pacific
Miller Creek Stream Ecosystem Enhancement - Port of Seattle, WA
Site Specific Water Quality Criteria for Chehalis River - Chehalis, WA

Hazard Assessments