40 CFR Part 63 (Section 63.600 to 63.001199) continues coverage for rules, procedures, processes, and regulations relating to the United States Environmental Protection Agency (EPA). This volume specifically provides information relation to the National Emission Standards for hazardous air pollutants from phosophoric acid manufacturing plants and coverage of air programs. Standards, compliance dates, performance tests, operating and monitoring requirements and enforcements are presented with tables displaying emission limitations sources, and more. Never miss an updated regulation by signing up for the annual print CFR (Code of Federal Regulations) annual print subscription here: https://bookstore.gpo.gov/products/code-federal-regulationspaper2018 Environmental Protection & Conservation resources collection is available here: https://bookstore.gpo.gov/catalog/environmental-protection-conservation Other products produced by the U.S. Environmental Protection Agency (U.S. EPA) can be found here:https://bookstore.gpo.gov/agency/environmental-protection-agency-epa