November 18, 2010IN THE MATTER OF:PROPOSED AMENDMENTS TO TIEREDAPPROACH TO CORRECTIVE ACTIONOBJECTIVES (TACO) (35 ILL.
Adm.
Code 742).
With the proposed amendments, IEPA
sought both to add the indoor inhalation exposure route to the existing risk-based methodology ofTACO and to update remediation objectives for all of TACO’s exposure routes.
On October 21, 2010, IEPA filed a motion to voluntarily withdraw the entire
rulemaking proposal (Mot.).
DISCUSSION
In its motion for voluntary withdrawal of the rulemaking proposal, IEPA represents thatsince the Board’s grant of a partial stay, substantial changes have been made to the indoorinhala...
Allowed
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