Illinois EPA submits new vapor intrusion proposal
, February 2011
Unable to completely resolve the objections to its original proposal, despite a long stay of the rulemaking proceedings, the Illinois EPA finally decided to bring forth a new and different proposal to add a vapor intrusion pathway for indoor air exposure to the Illinois TACO Cleanup Rules.
Update on vapor intrusion rulemaking
, July 2009
In September 2008, the Illinois EPA submitted Rulemaking 09-9 amendments which add indoor inhalation exposure routes for vapor intrusion to TACO and update the remediation objectives for all exposure routes.
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