; and (ii) in promulgating the final rule required in clause (i)(I), consider— (I) the effects and risks of exposure from multiple sources of hazardous air pollutants under the subpart modified under that clause; and (II) the best available science, including science provided by the National Academies of Science. (e) Clean water (1) Revised effluent limitation guidelines for the organic chemical, plastics, and synthetic fibers industrial category (A) BAT and NSPS standards for plastic polymer production Not later than 3 years after the date of enactment of this Act, the Administrator shall promulgate a final rule— (i) that ensures that the best available technology limitations described in part 414 of title 40, Code of Federal Regulations (as modified under clause (ii)), applies to covered facilities that produce fewer than 5,000,001 pounds of covered products per year; (ii) modifying part 414 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), to ensure that the best available technology and new source performance standard requirements under that part reflect updated best available technology and best available demonstrated control technology for all pollutants discharged by covered facilities that produce covered products, including pollutants of concern that are not regulated on the date of enactment of this Act; and (iii) modifying sections 414.91(b), 414.101(b), and 414.111(b) of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), to ensure that— (I) for new source performance standards for applicable covered facilities producing covered products, the maximum effluent limit for any 1 day and for any monthly average for the priority pollutants described in appendix A to part 423 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this Act), is 0 milligrams per liter unless the Administrator— (aa) determines that higher limits are justified using best available demonstrated control technology