About these resources
Personal Protective Equipment Conformity Assessment Studies and Evaluations (PPE CASE) Notes provide a summary of findings from our post-market personal protective equipment tests, evaluations, and investigations. These one-page summaries inform respirator users about common themes or trends we found and provide best practice reminders to prevent future occurrences.
Publications




- NIOSH Approved is a certification mark of the U.S. Department of Health and Human Services (HHS) registered in the United States and several international jurisdictions.