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R97-12b 7/10/97 Opinion & Order
Handle: Document-3740
Owner: Site Administrator (User-2, admin:DocuShare)DS
Thursday, April 5, 2001 12:26:43 PM CDT
Friday, December 8, 2006 04:06:18 PM CST
Modified By:
Saturday, December 30, 1899 12:00:00 AM CST
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  • ILLINOIS POLLUTION CONTROL BOARD
July 10, 1997IN THE MATTER OF:TIERED APPROACH TO CORRECTIVEACTION OBJECTIVES (TACO): 35 ILL.
  • That issue now before the Board in this docket is how the effect of
similar-acting chemicals on the same target organ is to be taken into account when determiningremediation objectives under TACO.
  • 2
these proposed amendments suggested by the Agency as unsupported by the record developedover the course of those hearings.
  • Under Tier 1, the cumulative effect of similar-acting
noncarcinogenic chemicals must be evaluated for groundwater only, while under Tier 2 it mustbe evaluated for soil and groundwater.
  • Finally, a
new requirement is added under Tier ...
Allowed
Adobe Portable Document Format (.pdf) - application/pdf
R97012A.PDF
4
122721
No
Appears In: R 97-012
Preferred Version: R97012b.PDF