# FM 3610 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For FM 3610, standard title is Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations; nrtl is DEKRA; laboratory is DEKRA Certification, Inc; status is currently recognized, recorded from its source on 2026-08-10. - **Test standard:** FM 3610 _(verified: appears in the quote below)_ - **Standard title:** Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations _(verified: appears in the quote below)_ - **NRTL:** DEKRA _(verified: appears in the quote below)_ - **Laboratory:** DEKRA Certification, Inc. _(verified: appears in the quote below)_ - **Status:** currently recognized _(our reading, not quoted from the source)_ ## What the source says > FM 3610 | Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/dekra 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/).