Residual Risk and Technology Reviews For Refinery MACT

EPA is required to evaluate the risk remaining at facilities 8 years after they are required to comply with Maximum Achievable Control Technology (MACT) air-toxic emission standards according to Section 112 (f)(2) of the Clean Air Act (CAA). EPA is also required to review and revise the MACT standards if needed every 8 years with regard to practices, processes and control technologies according to Section 112(d)(6) of the CAA.

EPA is currently proposing to conduct risk and technology reviews for both Petroleum Refinery MACT 1 and 2 source categories. Initial work will focus on gathering comprehensive information on petroleum refineries to complete these reviews. In addition, EPA also plans to address issues related to the reconsideration of Petroleum Refinery New Source Performance Standards (NSPS) Subpart Ja.

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