Protective Ensemble 3 : Multiple elements of compliant protective clothing and equipment that when worn together provide protection from some risks, but not all risks, of emergency incident operations
NFPA 1500 Standard on Fire Department Occupational Safety and Health Program, 2007 ed. https://law.resource.org/pub/us/code/ibr/nfpa.1500 .2007.pdf, (Std: Fr Dept Occupn Sfty and Hlth Prog - Amer) {399 NFC}