Request for Technical Review of Two Draft Immediately Dangerous to Life or Health (IDLH) Values, for Hydrogen Bromide and Hydrogen Iodide

The National Institute for Occupational Safety and Health (NIOSH) announces the availability of two draft Immediately Dangerous to Life or Health (IDLH) Value Profiles for public comment for the chemical’s hydrogen bromide (CAS# 10035-10-6) and hydrogen iodide (CAS# 10034-85-2).

To view the notice and related materials, visit https://www.regulations.gov  and enter CDC-2019-0093 in the search field and click “Search.”

Public Comment Period

Comments will be accepted until 11:59 p.m. ET on August 21, 2023.  

Written comments, identified by CDC-2019-0093 and docket number NIOSH-156-E, may be submitted by any of the following methods:

• Federal rulemaking portal: Follow the instructions for submitting comments.
• Instructions: All submissions received must include the agency name and docket number. All relevant comments, including any personal information provided, will be posted without change to https://www.regulations.gov
• Mail: NIOSH Docket Office
  1090 Tusculum Avenue
  MS-C34
  Cincinnati, OH 45226