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About TCEQ Development Support Documents (DSDs) for Effects Screening Levels (ESLs) and Air Monitoring Comparison Values (AMCVs)

A Development Support Document summarizes how chemical-specific toxicity values were derived based on published guidelines (RG-442).
Current Public Comment Periods
Ending September 26, 2019:

NEW Proposed DSD:
Adobe Acrobat PDF Document Ethylene Oxide

How To Submit Comments


Procedure to Submit Comments

e-mail: tox@tceq.texas.gov or by mail (must be received at the TCEQ no later than 9/26/2019) to:

Regular mail:

Toxicology Division, MC 168

Texas Commission on Environmental Quality

P.O. Box 13087

Austin, TX 78711-3087

Mail delivery services:

Toxicology Division, MC 168

Texas Commission on Environmental Quality

12100 Park 35 Circle, Bldg. F

Austin, TX 78753

Contact the TCEQ About DSDs and Fact Sheets

Call: 877-992-8370 (toll free) or 512-239-1795

E-mail: tox@tceq.texas.gov

Write: Texas Commission on Environmental Quality Toxicology, Risk Assessment, and Research Division, MC 168

P.O. Box 13087

Austin, TX 78711-3087

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

For instructions on how to join the Toxicology Announcement List, click here.