Environmental Toxicology & Assessment
A broad range of toxicity testing and ecological assessments to determine environmental impact are provided.
- Rapid Bio-assessments of Periphyton, Benthic Macroinvertebrates, and Fish in streams and rivers
- Toxicity testing and bioassay of sediment and water
- Macroinvertebrate processing and taxonomy
- Maintain and culture environmental test organisms (the cladoceran, Ceriodaphnia dubia; the oligochaete, Lumbriculus variegatus; the amphipod, Hyalella azteca; the earthworm, Eisenia foetida; and the freshwater algae, Selenastrum capricornutum.)
- Habitat (HEP) and Wet (WET) Evaluations
- Endangered species surveys
- Environmental toxicology research and development
Lead Scientist
Joe Owusu-Yaw, Ph.D.
Phone: 706 355-8696
Email: (JavaScript must be enabled to view this email address)
Dr. Joe Owusu-Yaw is the program manager for the Environmental Assessment Team. He has more than 20 years of professional experience in toxicology, risk assessment, quality assurance (QA)/quality control (QC) programs, analytical chemistry, data review and validation, and methods development. He is currently the lead risk assessor and document reviewer for our environmental programs. As a toxicologist, Dr. Owusu-Yaw has managed numerous projects and performed many toxicity tests in support of risk assessments for different hazardous waste sites and programs. He has expertise in pure compound toxicity testing and analysis in support of Federal Insecticide, Fungicide and Rodenticide Act (FIFRA) and Toxic Substances Control Act (TSCA) registration and re-registration programs. Dr. Owusu-Yaw also has extensive experience in Good Laboratory Practice (GLP) regulations and QA/QC procedures for field and laboratory analytical work. He holds a (Ph.D.) in Toxicology and Food Chemistry.