CTEH^® is available 24 hours a day to respond to chemical emergencies. The CTEH^® Toxicology Emergency Response Program consists of highly trained professionals from a wide range of disciplines. More...

CTEH^® provides a wide range of industrial hygiene services from chemical identification/quantification to work process evaluation. More...

Our qualified occupational health staff consists of a board certified physician and three registered nurses. CTEH^® offers a wide variety of tailored occupational health programs to serve our clients including: Worker Exposure Response Program and Mobile Occupational Respiratory Evaluation. More...

CTEH^® has ten Ph.D. toxicologists from diverse educational and professional backgrounds. CTEH^® is able to provide our clients with a broad range of toxicological services. More...

CTEH^® provides a full range of risk management planning services. CTEH^® is well suited to helping clients develop sound and workable risk management plans. More...

CTEH^® offers a field portable Gas Chromatograph/Mass Spectrometer (GC/MS). More...

CTEH®’s environmental compliance experts and staff have experience working with both public and private sector clients, including railroad, automotive, petroleum, tire, steel, power, graphite manufacturing, and other industrial sectors. More...

How confident are you in your analytical data set? CTEH^®'s data validation group offers a wide range of services to ensure our clients' analytical data is accurate and reliable. More...

CTEH^® offers our clients a unique set of tools to address their environmental remediation needs. CTEH continues to add programs and staff members that provide our clients with value-added services outside the scope of most consultants. Programs include the Railroad Environmental Access Program (REAP), Railroad Accident Technical Support (RATS), and Lease Environmental Audit Program (LEAP). More...

CTEH^®’s air quality experts have experience working with a wide range of private and public sector clients, including the chemical, petroleum, railroad, and trucking industries. More...

Our staff is highly qualified to conduct a broad range of training, including hazardous materials training, emergency medical training, confined space awareness and air monitoring training. The training offered by CTEH^® is a mix of classroom instruction as well as hands-on practical knowledge. More...

CTEH^®’s pharmacology services are under the direction of Susan Shelnutt, Ph.D. Dr. Shelnutt is a pharmacologist, toxicologist, and licensed pharmacist with 29 years of experience. Services and programs include pharmacokinetic analysis, drug toxicity, drug/disease state interactions and Drug Therapy Evaluation Program. More...

CTEH^® performs atmospheric dispersion modeling (ADM) for emergency, planning, and permitting situations. Models that are used include SAFER STAR^TM, SAFER TRACE^TM, ISCST3, AERMOD, and SLAB. More...

Large scale data management and extrapolation are at the heart of our business. Our IT Team is focused on three areas: Data Management, GIS, and Web-Based applications. More...

When required, CTEH^® provides non-testifying and testifying technical support and coordination in environmental and toxic tort litigations. Our experience covers a wide variety of disease/injury claims and other medical conditions alleged to result from environmental exposures. More...

CTEH^® maintains and has access to a wide variety of reference information on toxicology, medicine, pesticides, chemicals and regulatory and environmental issues. More...

CTEH^® provides on-site field analysis and categorization of unknown chemical compounds through multiple field analytical methods. More...