Small, privately owned Acute Toxicology Laboratory celebrating our 35th year of service. Located in suburban Chicago Tox Monito/BSR specializes in the assessment of human health effects of chemicals, household products and pesticides. We also evaluate the efficacy of pest control products such as rodent baits for EPA registration. Tox Monitor/BSR is also active in working with sponsors to construct custom protocols for evaluating new and novel products and compounds.