MIL-STD-1422A, MILITARY STANDARD: MASK, CHEMICAL BIOLOGICAL (23 AUG 1991) [NO S/S DOCUMENT]
MIL-STD-1422A, MILITARY STANDARD: MASK, CHEMICAL BIOLOGICAL (23 AUG 1991) [NO S/S DOCUMENT]., This standard is a presentation of nomenclature, symbols, and requirements, directions for use, packaging data, labeling, general safety precautions, storage information, and shelf life of military chemical biological masks and certain related items.