An official website of the United States government.

Polychlorinated Biphenyls (PCBs)

Compendium of Methods for the Determination of Toxic Organic Compounds in Ambient Air

These documents describe methods for sampling and analysis of a variety of common pesticides and for:

  • polychlorinated biphenyls (PCBs) in ambient air. The high volume (method TO-4A) sampler procedure is based on the adsorption of chemicals from
  • ambient air on polyurethane foam (PUF). The low volume (method TO-10A) procedure is based on the adsorption of chemicals from
  • ambient air on polyurethane foam (PUF) or a combination of PUF and granular sorbent.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.