The Code of Federal Regulations of the United States of America Having General Applicability and Legal Effect in Force June 1, 1938: 1st Ed., Published by the Division of the Federal Register, the National Archives, Pursuant to Section 11 of the Federal Register Act as Amended June 19, 1937, Volume 8U.S. Government Printing Office, 1939 - Administrative law |
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Page 141
... Supplied - air respirators 21 Flame safety lamps 13 Gas masks 22 Portable methane detectors 14 Filter - type dust , fume , and mist 23 Telephones for coal mines respirators 24 Single - shot blasting units SUBCHAPTER 0 - Explosives ...
... Supplied - air respirators 21 Flame safety lamps 13 Gas masks 22 Portable methane detectors 14 Filter - type dust , fume , and mist 23 Telephones for coal mines respirators 24 Single - shot blasting units SUBCHAPTER 0 - Explosives ...
Page 172
12.2 Definition of a permissible sup- 12.12 Requirements for approval . plied - air respirator . ... equip- 12.15 Approval letter . ment and conditions under 12.16 Wording of approval plate and which respirators will be tested . label .
12.2 Definition of a permissible sup- 12.12 Requirements for approval . plied - air respirator . ... equip- 12.15 Approval letter . ment and conditions under 12.16 Wording of approval plate and which respirators will be tested . label .
Page 173
for any supplied - air respirators a manufacturer must comply with the requirements specified in this part . ** * 88 12.0 to 12.20 , inclusive , issued under the authority contained in sec . 311 , 47 Stat . 410 ; 30 U.S.C. 7 ; E.O. 6611 ...
for any supplied - air respirators a manufacturer must comply with the requirements specified in this part . ** * 88 12.0 to 12.20 , inclusive , issued under the authority contained in sec . 311 , 47 Stat . 410 ; 30 U.S.C. 7 ; E.O. 6611 ...
Page 174
The type A supplied - air respirator is commonly called a hose mask . This respirator is designed to require the presence of a man ( blower operator ) in addition to the wearer ; to permit the wearer to inspire air through the hose ...
The type A supplied - air respirator is commonly called a hose mask . This respirator is designed to require the presence of a man ( blower operator ) in addition to the wearer ; to permit the wearer to inspire air through the hose ...
Page 175
12.4 Instructions for submitting equipment and conditions under which respirators will be tested- ( a ) Consultation . ... Before the Bureau of Mines will undertake the active investigation of any supplied - air respirator , the ...
12.4 Instructions for submitting equipment and conditions under which respirators will be tested- ( a ) Consultation . ... Before the Bureau of Mines will undertake the active investigation of any supplied - air respirator , the ...
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