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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 for the MDI and HDI, All Isomers, DSD

How Chemicals are Selected

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.

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