| | 1: | | Title: | | | | | Volume/Number: | 2013 | | | | Issuing Agency: | | | | | Description: | On May 16, 2013, the Illinois Pollution Control Board added the indoor inhalation exposure route to Illinois EPA's risk-based cleanup methodology called the Tiered Approach to Corrective Action Objectives, 35 Ill. Adm. Code 742 (TACO). These amendments are effective on July 15, 2013. The purpose of the indoor inhalation amendments is to minimize the exposure of building occupants to volatile chemicals that have the potential to migrate from the soil and groundwater to indoor air. This migration process is called vapor intrusion. | | | | Date Created: | 07 15 2013 | | | | Agency ID: | | | | | ISL ID: | 000000047266 Original UID: 169266 FIRST WORD: Indoor | |
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