Toxicology and Risk Assessment

NSF International provides toxicology and risk assessment services to evaluate ingredients, materials and products against the health and safety requirements of NSF/ANSI standards and NSF guidelines, as well as U.S. and international regulations.

Our professionals provide these services to companies seeking certification, registration or consultancy and have expertise in toxicology, environmental health, industrial hygiene, chemistry and regulatory compliance.

Our toxicologists ensure product quality through material formulation review, evaluation of product test results, and preparation of chemical hazard, exposure and risk assessments. Our risk assessors have prepared human and environmental health risk assessments for a variety of industrial chemicals, drinking water additives and contaminants, food additives, food contact materials, dietary supplement ingredients, pharmaceuticals and consumer products for nearly 30 years.

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News and Events

NSF Toxicologists Win Society of Toxicology’s Best Paper of the Year Award

February 14, 2018

A paper coauthored by two NSF toxicologists has won the Best Paper of the Year Award by the Regulatory and Safety Evaluation Specialty Section (RSESS) of the Society of Toxicology. The authors — Brad Lampe, Senior Research Toxicologist at NSF; Emily Fuller, a former NSF toxicology intern; and SP Kuppusamy of the National Institute for Occupational Safety and Health — will receive the award on March 12, 2018 at the RSESS reception during the Society of Toxicology annual meeting in San Antonio, Texas.

OEHHA Issues Proposed NSRLs for Three Disinfection By-Products

August 11, 2020

On May 22, the California Office of Environmental Health Hazard Assessment (OEHHA), which assesses health risks of environmental contaminants in products sold in California, issued three notices of proposed rulemaking (NPRs) establishing proposed no significant risk levels (NSRLs) for three water disinfection by-products : trichloroacetic acid, dibromoacetic acid and dichloroacetic acid; also known as haloacetic acids. These NPRs were open for comment until July 7. OEHHA is now reviewing the comments and will then issue a final rule.

Clean Water Crusader Joseph Cotruvo Earns 2020 Environmental Health Award From NSF International and NEHA

July 30, 2020

Given annually in honor of NSF International’s co-founder and first executive director, the Walter F. Snyder award recognizes outstanding contributions to the advancement of environmental health.

United Poly Systems Earns First NSF Certification for HDPE Electrical Conduit

July 29, 2020

NSF International certification means products have been evaluated for performance and safety

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