|The Environmental Protection Agency (EPA) promulgated national emission standards for hazardous air pollutants for Metal Fabrication and Finishing operations on July 23, 2008 (73 Federal Register 142). This regulation is found in 40 CFR Part 63 Subpart XXXXXX. This rule will require all sources meeting the applicability requirements within this category to meet best management practices to reduce hazardous air pollutant emissions and submit an initial notification and notification of compliance status forms.
Facilities that are *primarily engaged in one of the nine operations listed below and are an area sources of hazardous air pollutants (HAP) (those that have the potential to emit any single HAP at a rate of <10 tons per year (tpy) of a single HAP or <25 tpy of combined HAPs). In order to be subject to this rule a facility must meet the criteria above and also use materials that contain or have the potential to emit metal fabrication or finishing metal HAP (MFHAP), defined as compounds of cadmium, chromium, lead, manganese, and nickel and is primarily engaged in one of the nine operations listed below. Materials containing MFHAP are defined as containing =0.1% by weight of cadmium, chromium, lead or nickel and materials containing =1.0% by weight of manganese.