Document Board Proposes First-Notice Rules for Ambient Air Monitoring of Ethylene Oxide.pdf

On January 16, 2020, the Board proposed new air monitoring rules for determining ambient levels of ethylene oxide (EtO) across Illinois (35 Ill. Adm. Code 249). Section 9.16(n) of the Environmental Protection Act (415 ILCS 5/9.16(n), added by P.A. 101-22, eff. June 21, 2019) requires the Illinois Environmental Protection Agency (IEPA) to both “conduct air testing to determine the ambient levels of [EtO] throughout the State” and, within a specified timeframe, “submit rules for ambient air testing of [EtO] to the Board.” IEPA filed this rulemaking proposal on December 17, 2019. Without commenting on the substantive merits of IEPA’s proposal, the Board proposed the rules for first-notice publication in the Illinois Register.

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