# UL 745-2-31 — Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced

For UL 745-2-31, laboratory is TÜV SÜD America Inc; standard title is Particular Requirements for Diamond Core Drills, verified against its source on 2026-08-10.

- **Laboratory:** TÜV SÜD America Inc. _(verified: appears in the quote below)_
- **Standard number:** UL 745-2-31 _(verified: appears in the quote below)_
- **Standard title:** Particular Requirements for Diamond Core Drills _(verified: appears in the quote below)_

## What the source says

> UL 745-2-31 | Particular Requirements for Diamond Core Drills |

## Source

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

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/).