# UL 428A — Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced

For UL 428A, laboratory is UL LLC; standard title is Electrically Operated Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85), verified against its source on 2026-08-10.

- **Laboratory:** UL LLC _(verified: appears in the quote below)_
- **Standard number:** UL 428A _(verified: appears in the quote below)_
- **Standard title:** Electrically Operated Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85) _(verified: appears in the quote below)_

## What the source says

> UL 428A | Electrically Operated Valves for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85) |

## Source

- https://www.osha.gov/nationally-recognized-testing-laboratory-program/ul

Last verified: 2026-08-10. Review by: 2026-12-08.
Part of [Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced](https://referencesource.org/nrtl-recognition-scopes/).