# UL 60079-11 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For UL 60079-11, standard title is Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety "i"; status is listed as appropriate, recorded from its source on 2026-08-10. - **Test standard:** UL 60079-11 _(verified: appears in the quote below)_ - **Standard title:** Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety "i" _(verified: appears in the quote below)_ - **Status:** listed as appropriate _(our reading, not quoted from the source)_ ## What the source says > UL 60079-11 | Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety "i" | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/list-standards Last verified: 2026-08-10. Review by: 2026-11-08. Part of [Which OSHA-recognized labs (NRTLs) can certify to a given test standard](https://referencesource.org/nrtl-recognized-test-standards/).