Scientific & Technical Support:

Industry faces increased regulatory demands for ecological effect studies and assessments to support

chemical registrations

and retrospective evaluations of potentially contaminated sites. These requirements become burdensome for businesses that must allocate scarce internal resources to address ecotoxicology concerns. TSG’s consultants manage a wide variety of ecotoxicology and environmental projects, including laboratory and field studies in freshwater, estuarine, marine and terrestrial ecosystems.

Ecotoxicology laboratory programs characterize the potential toxicity of new and existing products to sentinel species or determine

environmental fate

parameters for these products. Laboratory aquatic or avian toxicology studies are the mainstay of regulatory ecotoxicology and generally include some or all of the following:
Environmental Risk Assessment on Chemical Contamination in Lake
▲ Acute fish or invertebrate studies
▲ Chronic fish or invertebrate studies
▲ Full or partial life-cycle studies
▲ Avian oral LD50 and dietary LC50 studies
▲ Avian reproduction studies

TSG’s ecotoxicologists have extensive experience with all of the major laboratories and ecotoxicology guideline requirements. Our staff is highly skilled in critical protocol negotiation, as well as monitoring, interpretation and presentation of study results to regulatory agencies. We are well-versed in the summary and integration of ecotoxicology and fate data into

environmental risk assessments


In cases where a client is required to evaluate potentially contaminated sites under their domain of responsibility, environmental risk assessments are necessary. Typically, these assessments include toxicity tests and field assessments of exposure and effects, followed by an integrated assessment of ecological health risk. 

TSG’s interdisciplinary team of toxicologists, environmental scientists and regulatory specialists handle a wide variety of environmental and ecotoxicology projects, and offer an effective means for industrial clients, task forces and trade organizations to manage complex environmental projects and meet regulatory requirements.


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