# UL 60079-26 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For UL 60079-26, standard title is Explosive Atmospheres - Part 26: Equipment for Use in Class I, Zone 0 Hazardous (Classified) Locations; status is listed as appropriate, recorded from its source on 2026-08-10. - **Test standard:** UL 60079-26 _(verified: appears in the quote below)_ - **Standard title:** Explosive Atmospheres - Part 26: Equipment for Use in Class I, Zone 0 Hazardous (Classified) Locations _(verified: appears in the quote below)_ - **Status:** listed as appropriate _(our reading, not quoted from the source)_ ## What the source says > UL 60079-26 | Explosive Atmospheres - Part 26: Equipment for Use in Class I, Zone 0 Hazardous (Classified) Locations | ## 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/).