Air-purifying particulate respirators; Other breathing appliances and gas masks, excluding protective masks having neither mechanical parts nor replaceable filters (HS 9020); Quality (ICS 03.120), Medical equipment (ICS 11.040), Respiratory protective devices (ICS 13.340.30), Test conditions and procedures in general (ICS 19.020)

Approval Tests and Standards for Air-Purifying Particulate Respirators

On 14 April 2020, the Department of Health and Human Services (HHS) published an interim final rule to update regulatory requirements by the Centers for Disease Control and Prevention's (CDC) National Institute for Occupational Safety and Health (NIOSH) to test and approve air-purifying particulate respirators for use in the ongoing public health emergency. Comments were to be received by 12 August 2020. This document announces a reopening of the comment period for an additional 30 days, to allow stakeholders and other interested parties additional time to respond.