Reference Source

CSA/AM Z21.35

For CSA/AM Z21.35, standard title is Gas Filters on Appliances; nrtl is ITS; laboratory is Intertek Testing Services NA, Inc; status is currently recognized, recorded from its source on 2026-08-10.

Test standard
CSA/AM Z21.35 verified
Standard title
Gas Filters on Appliances 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

CSA/AM Z21.35 | Gas Filters on Appliances |

osha.gov, retrieved 2026-08-10

Source

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