# Miscellaneous Metal Parts and Products Surface Coating — EPA NESHAP Source Category Applicability Crosswalk For Miscellaneous Metal Parts and Products Surface Coating, cfr subpart is 40 CFR 63 Subpart MMMM; source type is major sources; epa category url is https://www.epa.gov/stationary-sources-air-pollution/surface-coating-miscellaneous-metal-parts-and-products-national, recorded from its source on 2026-08-15. - **source category:** Miscellaneous Metal Parts and Products Surface Coating _(verified: appears in the quote below)_ - **cfr subpart:** 40 CFR 63 Subpart MMMM _(verified: appears in the quote below)_ - **source type:** major sources _(our reading, not quoted from the source)_ - **epa category url:** https://www.epa.gov/stationary-sources-air-pollution/surface-coating-miscellaneous-metal-parts-and-products-national _(our reading, not quoted from the source)_ ## What the source says > Miscellaneous Metal Parts and Products Surface Coating | 40 CFR 63 Subpart MMMM ## Source - https://www.epa.gov/stationary-sources-air-pollution/national-emission-standards-hazardous-air-pollutants-neshap-8 Last verified: 2026-08-15. Review by: 2026-12-13. Part of [EPA NESHAP Source Category Applicability Crosswalk](https://referencesource.org/neshap-source-category-crosswalk/).