Document ykxoEoGork8YwRE2Lwz51dYxn

t THE APPROVED RESPIRATOR Expiration Data for Manufacture and Sale of B of M Approved Respiratorei June 30, 1975 Type Device Bureau of Mines Approval,..' User Expiration Schedule No. Marking' 1 Date 30 CFR Part 11 Approval. Subpart Markings'^' Self-contained Breathing Apparatus Gas Masks Supplied-Air Respirators Dust, Fume, and Mist Respirators Chemical Cartridge Respirators 13, Mar. 5, 1919 13A, Jan. 21, 1930 * 13B, Aug. 12, 1935 13C, Jul. 9, 1946 13D, Sept. 22, 1956 13E, Jul. 19, 1968 14F, Apr. 23, 1955 BM-13-XXX BM-13A-XXX BM-13B-XXX BM-13C-XXX BM-0 3D-XXX BM-13E-XXX BM-14F-XXX Mar. 31, 1979 11 ** n (Not Established) 19B, Apr. 19, 1955 BM-19B-XXX Mar. 31, 1980 21B, Jan. 19, 1965 23B, Aug. 4, 1959 BM-21B-XXX BM-23B-XXX Mar. 31, 1976 Mar. 31, 1976 Pesticide Respirators (No previous schedules) -- Special Use Respirators (No previous schedules) -------- ' (1) Usually found on the facepiece and on the approval label. (2) Found on the approval label only. H I J K L M " N TC-13F-XXX TC-14G-XXX TC-19C-XXX TC-21C-XXX TC-23C-XXX TC-2 3C-XXX TC-14G-XXX TC-23C-XXX 1 00