UL 331
What is the laboratory for UL 331?
For UL 331, laboratory is Intertek Testing Services NA, Inc; standard title is Strainers for Flammable Fluids and Anhydrous Ammonia, verified against its source on 2026-09-17.
UL 331 | Strainers for Flammable Fluids and Anhydrous Ammonia |
— osha.gov, retrieved 2026-08-10
- Laboratory
- Intertek Testing Services NA, Inc.
- Standard number
- UL 331 verified
- Standard title
- Strainers for Flammable Fluids and Anhydrous Ammonia verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/its