The Code of Federal Regulations of the United States of America: Having General Applicability and Legal Effect in Force June 1, 1938, Volume 8U.S. Government Printing Office, 1939 - Administrative law |
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Page 213
... amount of the test suspension unre- tained must not exceed 9.0 milligrams for the three respirators or 4 milligrams for any one of the three respirators . Respirators with filter elements , designed for cleaning and re - use , will be ...
... amount of the test suspension unre- tained must not exceed 9.0 milligrams for the three respirators or 4 milligrams for any one of the three respirators . Respirators with filter elements , designed for cleaning and re - use , will be ...
Page 214
... amount of the test suspension un- retained by each respirator must not exceed 1.5 milligrams in any case . Test ( 2 ) below is also required for respirators on which approval for all fumes is desired . ( 2 ) For fast - plugging fumes ...
... amount of the test suspension un- retained by each respirator must not exceed 1.5 milligrams in any case . Test ( 2 ) below is also required for respirators on which approval for all fumes is desired . ( 2 ) For fast - plugging fumes ...
Page 215
... amount of lead unretained by each res- pirator must not exceed 1.5 milligrams in any case . ( 3 ) Water mist carrying silica dust . Three respirators will be tested on a mechanical testing apparatus under the following con- ditions ...
... amount of lead unretained by each res- pirator must not exceed 1.5 milligrams in any case . ( 3 ) Water mist carrying silica dust . Three respirators will be tested on a mechanical testing apparatus under the following con- ditions ...
Page 254
... amount , made payable to the Treasurer of the United States , should be submitted at the time the application is made . ( b ) The fee for a partial investigation leading to the extension of an approval shall be proportional to the work ...
... amount , made payable to the Treasurer of the United States , should be submitted at the time the application is made . ( b ) The fee for a partial investigation leading to the extension of an approval shall be proportional to the work ...
Page 255
... amount of light , ( 5 ) distribution of light , and ( 6 ) exclusion of dust from the headpiece . The suitability of the mate- rials and the construction shall be determined by preliminary inspec- tion , by dropping tests , by durability ...
... amount of light , ( 5 ) distribution of light , and ( 6 ) exclusion of dust from the headpiece . The suitability of the mate- rials and the construction shall be determined by preliminary inspec- tion , by dropping tests , by durability ...
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