ASHRAE has announced the following Call for Comments:

• 1st Public Review of BSR/ASHRAE/ICC/USGBC/IES Addenda o, p, z and aa to ANSI/ASHRAE/ICC/USGBC/IES 189.1-2017, Standard for the Design of High Performance Green Buildings Except Low-Rise Residential Buildings. Deadline for public comment period is April 22, 2019.

• 5th ISC Public Review of ASHRAE Guideline 27P, Measurement Procedures for Gaseous Contaminants in Commercial Buildings. Deadline for public comment period is April 22, 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.