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Frequently Asked Questions About Use of Stockpiled N95 Filtering Facepiece Respirators for Protection from COVID-19 Beyond the Manufacturer-Designated Shelf Life
CDPH & CalOSHA

Frequently Asked Questions about use of stockpiled N95 filtering facepiece respirators for protection from COVID-19 beyond the manufacturer-designated shelf life.

Note: this guidance is subject to change as the situation evolves.