Reference Source

UL 181 · ITS

For UL 181, nrtl is ITS; standard title is Factory Made Air Ducts and Connectors; laboratory is Intertek Testing Services NA, Inc; osha docket is OSHA-2007-0039; status is currently recognized, recorded from its source on 2026-10-01; source re-checked 2026-11-10.

Test standard
UL 181 verified
Standard title
Factory Made Air Ducts and Connectors verified
NRTL
ITS
Laboratory
Intertek Testing Services NA, Inc.
OSHA docket
OSHA-2007-0039 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 181 | Factory Made Air Ducts and Connectors |

— osha.gov, retrieved 2026-10-01

Where each value comes from

The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.

OSHA docket

Docket Number: OSHA-2007-0039

— all from osha.gov, retrieved 2026-10-01

Source

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