NFPA 1989-2019: Standard on Breathing Air Quality for Emergency Services Respiratory Protection
The air that humans breathe isn’t entirely made up of oxygen. Most of the air we take in during long sighs or calming breaths is…
CGA G-4.1-2018: Cleaning Equipment for Oxygen Service
CGA G-4.1-2018: Cleaning Equipment for Oxygen Service has been released. It revises the 2009 edition of the same standard. Breathe it in and then let…
CGA G-7.1-2018: Commodity Specification for Air
Published by the Compressed Gas Association (CGA), an ANSI-accredited standards developing organization, the seventh edition of the commodity specification for air is CGA G-7.1-2018. Air…