No technical changes have been made. Adoption of ANSI/ISA-92.00.02-2013, Standard for Installation, Operation, and Maintenance of Toxic Gas-Detection Instruments as ANSI/UL 920002., View all current editions and revisions of UL and ULC Standards for Safety Only free of charge. Includes national different to IEC/ISO based standards. Benefits a wider group of stakeholders such as regulators, academia, product designers, and innovators who will look for safety certification at a future date., UL 920002 STANDARD FOR SAFETY Installation, Operation, and Maintenance of Toxic Gas-Detection Instruments SEPTEMBER 24, 2021 - UL920002 tr1, An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose: A complete new edition of an existing Standard or Outline. A new Standard or Outline that has not previously been published., Expand Your Knowledge and Unlock Your Learning Potential - Your One-Stop Source for Information!, .