ASHRAE has announced the following Call for Comments:

• 1st Public Review of BSR/ASHRAE Addenda a, b, and c to ANSI/ASHRAE Standard 34-2019, Designation and Safety Classification of Refrigerants. Deadline for public comment period is August 11, 2019.

• 1st Public Review of BSR/ASHRAE Addendum a to Standard 145.2-2016, Laboratory Test Method for Assessing the Performance of Gas-Phase Air Cleaning Systems: Air Cleaning Devices. Deadline for public comment period is August 11, 2019.

• 1st Public Review of BSR/ASHRAE/USGBC/IES/ ICC Addendum ae to ANSI/ASHRAE/USGBC/IES/ ICC Standard 189.1-2017, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings. Deadline for public comment period is August 11, 2019.

• 2nd Public Review of BSR/ASHRAE Addendum i to ANSI/ASHRAE Standard 34-2019, Designation and Safety Classification of Refrigerants. Deadline for public comment period is August 11, 2019.

• 2nd Public Review ISC of BSR/ASHRAE/USGBC/ IES/ICC Addenda q and r to ANSI/ASHRAE/USGBC/ IES/ICC Standard 189.1-2017, Standard for the Design of High-Performance Green Buildings Except Low-Rise Residential Buildings. Deadline for public comment period is August 11, 2019.

To view details, refer to the recent issue of ASHRAE’s Standards Action. Access the Public Review Drafts by visiting ASHRAE’s Standards, Research, & Technology/Public Review Drafts web page, and following the instructions to access the online comment database. To obtain a paper copy, contact ASHRAE.