Reference Source

CSA/AM Z21.13

For CSA/AM Z21.13, standard title is Gas-Fired Low-Pressure Steam and Hot Water Heating Boilers; nrtl is ITS; laboratory is Intertek Testing Services NA, Inc; status is currently recognized, recorded from its source on 2026-08-10; source re-checked 2026-09-17.

Test standard
CSA/AM Z21.13 verified
Standard title
Gas-Fired Low-Pressure Steam and Hot Water Heating Boilers verified
NRTL
ITS
Laboratory
Intertek Testing Services NA, Inc.
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 Z21.13 | Gas-Fired Low-Pressure Steam and Hot Water Heating Boilers |

— 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.