Download The March 2012 Effects Screening Levels (ESLs) List Used in the Review of Air Permitting Data
  This page contains the March 2012 ESL List. If you are in need of current ESLs, please go to the Toxicity Factor Database to search for ESLs. The Toxicity Factor Database is a one-stop-shop for information about all toxicity factors developed by the TCEQ Toxicology Division. The last Published ESL lists was November 2016.
  https://www.tceq.texas.gov/downloads/toxicology/esl/march2012.xlsx/view
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                  Download The March 2012 Effects Screening Levels (ESLs) List Used in the Review of Air Permitting Data
                
                
                
                  This page contains the March 2012 ESL List. If you are in need of current ESLs, please go to the Toxicity Factor Database to search for ESLs. The Toxicity Factor Database is a one-stop-shop for information about all toxicity factors developed by the TCEQ Toxicology Division. The last Published ESL lists was November 2016.