The Commonweal Biomonitoring Resource Center (CBRC) is an international resource seeking to promote individual and community resilience through the collaborative use of knowledge about the hundreds of environmental chemicals that people all over the world carry in their bodies.

This site is designed to help you understand biomonitoring. You will learn how biomonitoring data help us understand the movement of chemicals through our lives and landscapes, how biomonitoring studies have compelled new regulations more truly protective of human health, and how biomonitoring supports new ideas about evaluating chemicals for toxicity. If you are interested in conducting a biomonitoring study, this site also provides a basic tool kit that will help you proceed.