Ecological Risk Analysis: Guidance, Tools, and Applications

This site contains information and resources on a variety of topics related to the growing field of ecological risk analysis.

Right to Know Hazardous Substance Fact Sheets

The Fact Sheets are prepared on pure substances and contain information on health hazards, exposure limits, personal protective equipment, proper handling, first aid, and emergency procedures for fires and spills.

Texas Commission on Environmental Quality

The Texas Commission on Environmental Quality strives to protect our state's human and natural resources consistent with sustainable economic development. Our goal is clean air, clean water, and the safe management of waste.

Health Effects Notebook for Hazardous Air Pollutants

The fact sheets available on this Web page describe the effects on human health of substances that are defined as hazardous by the 1990 amendments of the Clean Air Act.

TOXNET

Databases on toxicology, hazardous chemicals, environmental health, and toxic releases.

Agency for Toxic Substances and Disease Registry (ATSDR)

ATSDR serves the public by using the best science, taking responsive public health actions, and providing trusted health information to prevent harmful exposures and diseases related to toxic substances.

U.S. Chemical Safety Board

The CSB is an independent federal agency charged with investigating industrial chemical accidents.

Acute Exposure Guideline Levels (AEGLs)

Starting with the chemical name for the AEGL chemical or by knowing its corresponding CAS number, it is simple to use either in order to find AEGL information on this web site.

Integrated Risk Information System (IRIS)

EPA's Integrated Risk Information System (IRIS) is a human health assessment program that evaluates risk information on effects that may result from exposure to environmental contaminants.