# Approval Tests and Standards for Air-Purifying Particulate Respirators
> **Centers for Disease Control and Prevention** · Reopening of comment period. · Published 2020-08-26 · Effective 2020-04-14 · 85 FR 52488
## Document
- **Document number:** 2020-18747
- **Category:** public-health
- **Sub-agency:** Centers for Disease Control and Prevention
- **Federal Register citation:** 85 FR 52488
- **CFR reference:** 42 CFR 84
- **Publication date:** 2020-08-26
- **Effective date:** 2020-04-14
- **HHS docket:** Docket No. CDC-2020-0036
## Abstract

On April 14, 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 August 12, 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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2020/08/26/2020-18747/approval-tests-and-standards-for-air-purifying-particulate-respirators)
---
*AI Analytics · CC0 1.0*