Accreditation Body 2 : An independent, third-party organization that determines the qualification of laboratories to conduct testing as required by this standard
NFPA 1989 Standard on Breathing Air Quality for Fire and Emergency Services Respiratory Protection, 2003 ed. https://capcire.files.wordpress.com/2011/09/air-sc ba.pdf, (Std: Breathing Air Quality for Fr and Emr Srvc Respiratory Prot - Amer) {435 NFC}