Find us at 2023 annual Society of Toxicology Conference in Nashville March 19 – 23!

Email Michael Stevens at to schedule a time to meet.

Industry Leading Experts

Paustenbach and Associates is a scientific consulting firm, specializing in exposure science, toxicology, industrial hygiene, epidemiology, radionuclides, and the application of regulatory and scientific approaches to quantitatively characterize the hazards posed by chemicals. 

Our specialty is in providing data-driven solutions to solve the most complex problems facing our clients. 

40+ years


Our staff has over 40 years of experience in the areas of risk assessment, environmental engineering, ecotoxicology, and occupational health.


Repeat Business

In surveys we have conducted of our clients, they always comment on the speed of our responsiveness and the quality of the end product.


What we do


Whom we work with


Our Publications and Case studies

Recent News

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Hair Shampoo Litigation

Summary Manufacturers of hair-care products, which comprise a global industry expected to exceed $102 billion by 2024, are facing allegations that their shampoos, conditioners, and

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