Great Lakes Environmental Center - GLEC has diverse capabilities focused on aquatic/sediment toxicology and environmental assessment. Provides description of services, projects and links. Neurotoxin Fish Kills - Pfiesteria and Chattonella subsalsa aquatic health concerns in cold water climates. University of California at Davis Aquatic Toxicology Laboratory - Provides activities, publications, staff and resources. AquaTox Research, Inc. - Provides specialized aquatic toxicity testing and environmental information services including chemical, sediment, algal and mitoscan tests. LimCo International - Consulting and research bureau specialized in aquatic ecology, sediment toxicology, biotests, pollution assessment and pollution control. Description of services and publications. Aquatic Toxicology - An international journal on mechanisms of and responses to toxic agents in the aquatic environment. Available on line with free access to table of contents, abstracts and search.