; or (ii) a fixed-roof tank connected to a volatile organic compound control device. (D) Flaring Not later than 30 days after the date of enactment of this Act, the Administrator shall promulgate a final rule— (i) modifying title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), to ensure that flaring, either at ground-level or elevated, shall only be permitted when necessary solely for safety reasons; and (ii) modifying sections 60.112b(a)(3)(ii), 60.115b(d)(1), 60.482–10a(d), 60.662(b), 60.702(b), and 60.562–1(a)(1)(i)(C) of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), to ensure that— (I) references to flare standards under those sections refer to the flare standards established under clause (i); and (II) the flare standards under those sections are, without exception, continuously applied. (E) SOCMI equipment leaks Not later than 3 years after the date of enactment of this Act, the Administrator shall promulgate a final rule— (i) modifying section 60.482–1a of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), to ensure that, whenever possible, owners and operators use process units and components with a leak-less or seal-less design; (ii) modifying section 60.482–1a(f) of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), to ensure that owners and operators use optical gas imaging monitoring pursuant to section 60.5397a of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), on a quarterly basis, unless the owner or operator receives approval from the Administrator in writing to use Method 21 of the Environmental Protection Agency (as described in appendix A–7 of part 60 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act)) with a repair threshold of 500 parts per million