# Air Quality: Revision to the Regulatory Definition of Volatile Organic Compounds - Exclusion of (Z)-1-Chloro-2,3,3,3,-Tetrafluoropropene (HCFO-1224yd(Z)

> **EPA** · Rulemaking · Modified 2025-12-08T17:14:30Z

## Docket
- **Docket ID:** EPA-HQ-OAR-2023-0295
- **Agency:** EPA
- **Type:** Rulemaking
- **Last modified:** 2025-12-08T17:14:30Z

## Source
- [regulations.gov docket](https://www.regulations.gov/docket/EPA-HQ-OAR-2023-0295)
- [Public comments](https://www.regulations.gov/docket/EPA-HQ-OAR-2023-0295/comments)

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