An Investigation Relating to Health Conditions of Workers Employed in the Construction and Maintenance of Public Utilities: Hearings Before a Subcommittee... on H.J. Res. 449, Jan. 16-Feb. 4, 19361936 - Počet stran: 203 |
Vyhledávání v knize
Výsledky 1-5 z 29
Strana 5
... concentration of silica dust in the tunnel was highly dangerous and giving orders that respirators be used by the workmen . The contractors tried to show in court that they had not been negligent in making arrangements to care for the ...
... concentration of silica dust in the tunnel was highly dangerous and giving orders that respirators be used by the workmen . The contractors tried to show in court that they had not been negligent in making arrangements to care for the ...
Strana 131
... concentration in the air of the working place as may be harmful to breathe , the United States Bureau of Mines recommends : That the dust produced be so wetted , trapped , or otherwise treated and the place where men working be so ...
... concentration in the air of the working place as may be harmful to breathe , the United States Bureau of Mines recommends : That the dust produced be so wetted , trapped , or otherwise treated and the place where men working be so ...
Strana 132
... concentrations of dust in the mines and a high percentage of silicosis and tuberculosis among the miners . Shortly after this , zinc and lead ore was dis- covered 31 miles southwest of the Joplin field in what is now known as the Picher ...
... concentrations of dust in the mines and a high percentage of silicosis and tuberculosis among the miners . Shortly after this , zinc and lead ore was dis- covered 31 miles southwest of the Joplin field in what is now known as the Picher ...
Strana 133
... concentration of atmospheric dust was determined . Harmful dusts occur in the air of most metallurgical plants . In 1916 and 1917 the Bureau of Mines studied the atmospheric dusts in steel mills and published its findings in Technical ...
... concentration of atmospheric dust was determined . Harmful dusts occur in the air of most metallurgical plants . In 1916 and 1917 the Bureau of Mines studied the atmospheric dusts in steel mills and published its findings in Technical ...
Strana 137
... concentration of dusts in air . 2. In cooperation with the Public Health Service , determination of the physiological effect of air - borne dusts ( a ) in relation to their composition , size - distribution , and concentration and ( b ) ...
... concentration of dusts in air . 2. In cooperation with the Public Health Service , determination of the physiological effect of air - borne dusts ( a ) in relation to their composition , size - distribution , and concentration and ( b ) ...
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Answer asked attorneys BACON believe Bureau of Mines Carbon Co Charleston chest coal colored committee compensation concentration connection construction contracted silicosis court death develop diagnosis died disease dry drilling DUNN of Pennsylvania employed employees engineers exposure fact Fayette County feet FINCH foreman Gauley Bridge GOLDWATER GRISWOLD Harless Hawks Nest tunnel Hayhurst industry infection investigation JONES Judge LEE Kanawha Power Labor LAMBERTSON LILLY Love lungs MARCANTONIO masks MASON matter miliary tuberculosis miners Miss ALLEN months nodules operation paid particles persons PEYTON pneumonia present Public Health Service Question RANDOLPH Raymond Johnson respirators Rinehart & Dennis ROBISON rock rouster SAYERS scar tissue Senator HOLT shack Shirley Jones silica dust SKAGGS stage of silicosis statement statute subcommittee symptoms Tell the jury testified testimony tion told tuberculosis tunnel contractors Union Carbide Vanetta ventilation West Virginia wet drills witness workmen X-ray pictures YANT