Bioassessment and Biocriteria
- http://www.epa.gov/ost/biocriteria/
- U.S. EPA website includes a primer and FAQs on biological criteria and their application, guidelines on their use in aquatic ecosystems, case studies, and links/contacts for additional information.
Jason Conder's Ecotoxicology Research
- http://geocities.com/jasonmconder/
- Information on heavy metals research, career vitae, and links to other ecotoxicology sites. Research on bioavailability, toxicity, and environmental fate of TNT in aquatic sediments and heavy metal bioavailability in soil.
Lemnatec
- http://www.lemnatec.com/
- Provides ecotoxicology testing products and services. Describes the Lemna (duckweed) bioassay test for detecting and evaluating hazardous substances in ecosystems.
Pequitec
- http://www.pequitec.ch
- Specialists for the supply and construction of ecotoxicology testing equipment and agricultural research equipment.