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R 01-014 09/06/01 Opinion and Order
IN THE MATTER OF: PROPOSED MTBE AND COMPLIANCE DETERMINATION AMENDMENTS TO GROUNDWATER QUALITY STANDARDS: 35 ILL. ADM. CODE 620
The Board adopted a first notice opinion and order in this rulemaking to amend the Board’s public water supply regulations by adding a groundwater quality standard for methyl tertiary-butyl ether (MTBE).
Handle: Document-14464
Owner: Site Administrator (User-2, admin:DocuShare)DS
Wednesday, September 12, 2001 10:49:41 AM CDT
Friday, August 9, 2002 04:21:07 PM CDT
Modified By:
Locked By:
  • ILLINOIS POLLUTION CONTROL BOARD
September 6, 2001IN THE MATTER OF:PROPOSED MTBE AND COMPLIANCEDETERMINATION AMENDMENTS TOGROUNDWATER QUALITY STANDARDS:35 ILL.
  • Thomas C.
  • Hornshaw.
  • Agency witness Gary P.
  • King appeared at
the first hearing only.
  • Tr.1 at 10; Exh. 1 at 1.
MTBE is a type of organic chemical known as an ether. Although MTBEbreaks down in the presence of sunlight, it does not break down readily in groundwater. at 5. Mr.Cobb testified that the Agency does not generally track MTBE contamination problems atprivate water wells because these wells are not yet tested for MTBE.
Allowed
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01-014ro090601.pdf
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Appears In: R 01-014
Preferred Version: R 01-014 09/06/01 Opinion and Order