# Aerospace — EPA NESHAP Source Category Applicability Crosswalk

For Aerospace, cfr subpart is 40 CFR 63 Subpart GG; source type is major sources; original final rule date is 1995-09-01; most recent amendment date is 2016-08-03; rtr status is completed, recorded from its source on 2026-08-15.

- **source category:** Aerospace _(verified: appears in the quote below)_
- **cfr subpart:** 40 CFR 63 Subpart GG
- **source type:** major sources _(our reading, not quoted from the source)_
- **original final rule date:** 1995-09-01
- **most recent amendment date:** 2016-08-03
- **rtr status:** completed
- **key haps regulated:** chromium, cadmium, methylene chloride, toluene, xylene, methyl ethyl ketone, ethylene glycol and glycol ethers _(verified: appears in the quote below)_
- **epa category url:** https://www.epa.gov/stationary-sources-air-pollution/aerospace-manufacturing-and-rework-facilities-national-emission _(our reading, not quoted from the source)_

## What the source says

> The Hazardous Air Pollutants (HAP) listed in Section 112(b)(1) of the Clean Air Act emitted by aerospace facilities that are covered by this final rule include: chromium, cadmium, methylene chloride, toluene, xylene, methyl ethyl ketone, ethylene glycol and glycol ethers.

## Source

- https://www.epa.gov/stationary-sources-air-pollution/aerospace-manufacturing-and-rework-facilities-national-emission

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/).