Provides information and reports on assessments of contaminants in the Arctic environment, including sources and effects on humans and other organisms in the area.

U.S. EPA primer on biological criteria and their applications and usage guidelines in biological assessments.

Information resource for risk assessors holds ecological, toxicity, and physiological data for California animal wildlife. Includes history, species, reports, and chemical data.

Resource for a variety of topics related to and about ecological risk analysis, from Oak Ridge National Laboratory (ORNL).

Listserv records at the Virginia Polytechnic Institute and State University discussing and updating on ecotoxicology issues.

General information about elements, compounds and products provided by the U.S. National Park Service (NPS).

Single chemical toxicity for aquatic and land animals. Shares limitations, quick user guide, recent additions, FAQs, and query and browsing options.

European network created to study air quality in 12 European cities using bioindicator plants. Gives project details, issues, and beneficiaries.

Fully searchable information database on pesticide toxicology, environmental chemistry, and issues.

Offers products and services for ecotoxicological testing, notably the Lemna or duckweed bioassay for detection and analysis of hazardous substances.