Reference Source

CSA/AM Z21.22

For CSA/AM Z21.22, laboratory is Intertek Testing Services NA, Inc; standard title is Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, verified against its source on 2026-08-10.

Laboratory
Intertek Testing Services NA, Inc. verified
Standard number
CSA/AM Z21.22 verified
Standard title
Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems verified
Sourceosha.gov
Verified
Review by
DatasetWhich OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced

What the source says

CSA/AM Z21.22 | Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems |

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.