Contains freely available scientific data, reports, and monographs on potentially hazardous substances and their effects for human health.

Environmental health information and support research, programs from the New York State Department of Health

A CDC website that provides health information to prevent harmful exposures and disease related to toxic substances. Includes Toxicological Profiles.

"The National Environmental Public Health Tracking Network (Tracking Network) brings together health data and environment data from national, state, and city sources and provides supporting information to make the data easier to understand. The Tracking Network has data and information on environments and hazards, health effects, and population health."