40 CFR Parts 63 (Section 63.6580 to 63.8830) continues coverage on the United States Environmental Protection Agency. In this volume, you will find rules, processes, procedures, and regulations relating to the national emission standards, emissions limitations, testing, maintenance, and compliance requirements, for hazardous air pollutants for source categories, such as combustion engines, lime manufacturing plants, miscellaneous coating manufacturing, and more. Personnel managing manufacturing plants, organic compound architectural coatings production, home air radiation technicians, engine cooling engineers, research engineers, quartermaster and chemical equipment repairers, experienced service technicians, including mechanics, equipment managers, compliance officers, environmental inspectors and environmental scientists may be interested in this volume. Code of Federal Regulations Title 40, Volume 14, July 1, 2015 Containing parts Part 63, §§ 63.6580 to 63.8830 Part 63; NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)