The Facility is subject to 40 C.P.R. Part 63,Subpart FFFF for NESHAP -Miscellaneous Organic Chemical Manufacturing (aka MON or MACT FFFF), and specifically, 40 C.F.R. § 63.2455(a) is applicable to VENT246 of its steamassisted
Poly Large Flare, a pollution control device. The Poly Large Flare is regulated under 40 C.F.R. Part 63, Subpart A (General Provisions). The Poly Large Flare must comply with 40 C.F.R. § 63.11(b)(6)(ii). 40 C.F.R. § 63.11(b)(l) requires Respondent to monitor its flares to assure they are operated and maintained in conformance with their design.