HHS, CDC: Approval Tests and Standards for Air-Purifying Particulate Respirators

Apr 14, 2020 — Notice of interim final rule with comment period to update the regulatory requirements used by the National Institute for Occupational Safety and Health (NIOSH) to test and approve air-purifying particulate respirators for use in the ongoing COVID-19 pandemic. The rule will be effective April 14, 2020. Comments are due by August 12, 2020. Read more here.