TCEQ Final Development Support Documents (DSDs)
DSDs detail how Effects Screening Levels (ESLs), inhalation Reference Values (ReVs), and inhalation Unit Risk Factors (URFs) were derived for specific chemicals. This page also links to Fact Sheets which summarize information used by the TCEQ Toxicology Division to develop those values.
Current Public Comment Periods
Proposed DSDs:
- Chlorine
Ending October 20, 2016:
Three DSDs have been finalized
The Hexavalent Chromium Oral Reference Dose DSD is now final
The Toxicology Division is requesting toxicity information for n-Hexane
A new public comment period has begun for the Decane, All Isomers proposed DSD
How To Submit Comments
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