UL 60079-1

For UL 60079-1, laboratory is QPS Evaluation Services Inc; standard title is Explosive Atmospheres - Part 1: Equipment Protection by Flameproof Enclosures "d", verified against its source on 2026-08-10.

Laboratory: QPS Evaluation Services Inc. verified
Standard number: UL 60079-1 verified
Standard title: Explosive Atmospheres - Part 1: Equipment Protection by Flameproof Enclosures "d" verified

Sourceosha.gov

Verified2026-08-10

Review by2026-12-08

DatasetWhich OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced

What the source says

UL 60079-1 | Explosive Atmospheres - Part 1: Equipment Protection by Flameproof Enclosures "d" |

— osha.gov, retrieved 2026-08-10

Source

osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/qps

Last verified against source: 2026-08-10. Due for re-check by 2026-12-08. This page as Markdown · OKF bundle · full dataset as JSON.