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About the Chemicals Under Consideration for Toxicity Factor Development

The Toxicology Division sends list serve announcements and encourages interested parties to submit relevant technical data.


New Information A New Public Comment Period Has Begun

Chemicals are selected for one or more of the following reasons:

  • they have been detected in air monitoring
  • permits are frequently issued for them
  • the public has expressed concerns about them


The Toxicology Division is not requesting toxicity information at this time. Members on the Toxicology Announcement List will be informed when there is a request for information.

Sign Up to Receive ESL List, AMCV List, and Other Related Toxicology Announcements

Instructions on how to join the Toxicology Announcement List.