Mexichem Specialty Resins v. EPA, No. 12-1260 (D.C. Cir. 2015)
Annotate this CasePetitioners, PVC manufacturers, challenged EPA's 2012 rule setting first-time-ever limits on the emission of most hazardous air pollutants from PVC productions. Petitioners raised many of their objections for the first time in petitions for reconsideration with EPA that are awaiting resolution. The court concluded that it was precluded from reviewing these objections under the Clean Air Act (CAA), 42 U.S.C. 7412. In regards to petitioners' objections that are ready for review, the court held that EPA acted reasonably and in accordance with the CAA where EPA’s PVC-combined process vent limits do not conflict with other emissions limits, and EPA’s decision not to subcategorize process vents on the basis of their emissions control technology was reasonable; EPA’s bypass opening requirements are not arbitrary and capricious, and its requirement that PVC manufacturers install monitoring equipment on pressure relief devices is not irrational; and petitioners’ argument that some of EPA’s bypass regulations are unlawful beyond-the-floor MACT requirements stems from misapprehension of the CAA and is without merit. Therefore, the court denied the petition
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