IN THE MATTER OF: PROPOSED MTBE AND COMPLIANCE DETERMINATION AMENDMENTS TO GROUNDWATER QUALITY STANDARDS: 35 ILL. ADM. CODE 620
The Board adopted a final opinion and order in this rulemaking which amended the Board's public water supply regulations by adding a groundwater quality standard for methyl tertiary-butyl ether (MTBE).
January 24, 2002IN THE MATTER OF:PROPOSED MTBE AND COMPLIANCE DETERMINATION AMENDMENTS TO GROUNDWATER QUALITY STANDARDS: 35 ILL.
Adm.
Code 620, R01-14 (Sept.
of Reas.
at exh.
4 - pp. 24, 2002).
The Agency’s ProposalThe Agency proposed the addition of an MTBE Class I Potable Resource Groundwater standard and an MTBE Class II General Resource Groundwater standard. of Reas. at 6-7.Rationale Behind the Board’s DecisionThe Board’s fundamental decision at first notice was whether to propose a standard based on non-carcinogenic or carcinogenic effects of MTBE.
Allowed
wilsonb
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