Reference Source

UL 109

For UL 109, standard title is Tube Fittings for Flammable and Combustible Fluids, Refrigeration Service and Marine Use; nrtl is ITS; laboratory is Intertek Testing Services NA, Inc; status is currently recognized, recorded from its source on 2026-08-10.

Test standard
UL 109 verified
Standard title
Tube Fittings for Flammable and Combustible Fluids, Refrigeration Service and Marine Use verified
NRTL
ITS verified
Laboratory
Intertek Testing Services NA, Inc. verified
Status
currently recognized our reading
Sourceosha.gov
Verified
Review by
DatasetWhich OSHA-recognized labs (NRTLs) can certify to a given test standard

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

UL 109 | Tube Fittings for Flammable and Combustible Fluids, Refrigeration Service and Marine Use |

osha.gov, retrieved 2026-08-10

Source

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