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Test Method Collections

This site is maintained by EPA's Forum on Environmental Measurements as a service to the environmental analytical community.

Test methods are approved procedures for measuring the presence and concentration of physical and chemical pollutants; evaluating properties, such as toxic properties, of chemical substances; or measuring the effects of substances under various conditions.

EPA Method Collections

Air and Radiation

Solid Waste and Emergency Response

Sampling Methods


Prevention, Pesticides, and Toxic Substances

Research and Development

Analytical and Sampling Method Sources

Analytical Methods from non-EPA sites

Analytical Methods sold by non-EPA, non-governmental organizations

If You Need Help with EPA Test Methods

Program Contacts

Regional Laboratory Contact Information

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