UL 920001

Please note: All interim revisions for this edition available at time of your purchase will be included.

Performance Requirements for Toxic Gas Detectors
UL 920001

Adoption of ANSI/ISA 920001, Standard for Performance Requirements for Toxic Gas Detectors as ANSI/UL 920001. This Standard is being issued to update the title page to reflect the reaffirmation of its ANSI approval. No changes in requirements have been made.

As noted in the Commitment of Amendments statement located on the back side of the title page, UL and ISA are committed to updating this co-designated standard jointly after processing according to the standards development procedures by UL.

Although this is the first-time publication of this Standard by UL, it is being published as the Second edition in order to align UL's edition number with that of the ISA Standard. Please note that as this is a simple reaffirmation of an existing ISA standard.