# Generic MACT II - Ethylene Processes — EPA NESHAP Source Category Applicability Crosswalk

For Generic MACT II - Ethylene Processes, cfr subpart is 40 CFR 63 Subpart YY; source type is major sources; epa category url is https://www.epa.gov/stationary-sources-air-pollution/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen, recorded from its source on 2026-08-15.

- **source category:** Generic MACT II - Ethylene Processes _(verified: appears in the quote below)_
- **cfr subpart:** 40 CFR 63 Subpart YY _(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/acetal-resins-acrylic-modacrylic-fibers-carbon-black-hydrogen _(our reading, not quoted from the source)_

## What the source says

> Generic MACT II - Ethylene Processes | 40 CFR 63 Subpart YY

## 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/).