Document 6bKJp9nwDX9baJ8LDzL48k24R

FILE NAME International Nickel Corporation INC DATE 1935 Oct 22 DOC INC003 DOCUMENT DESCRIPTION Meeting Report - Dust Control INCO Huntingt Plant ' -- -- --...-- Mr. A. S. Shoffstall Louisville The following are a few of the lfuousritvhe Annual Safety Council hepledrtiinnent facts gleaned from 14-18inc, SILICOSTS follows follows disease same New York has passed a wide a matter of open occupational states oc upational course that other do should follows be carefully watched Points to scrutinize Legislative closely as Legislative are 1. Occupational disease should be well defined 2. Medical experts should pass on subject 3. Definite periods of exposure 4. Reporting promptly should be required Only disease problem peculiar to the State disease laws should always be kept should be included separate from accident compensation Occupational Pennsylvania has the best silicosis law divis^'esecuring Political situation responsible for it in difficult to passing is to prevent opesun ceslsaswfsulbleyionpgpposaeusseudch a copy . of occupational disease 2ar laws The best that can bebe and done done Sere Sete cere mek epee cme ween seme DUST CONTROL ~~ mee wee eee ore eee e we are four methods of dust control 1. Substitution steel for sand 4 2. Wet it has its limitations 3. Isolation of dust operations 4. Exhaustion and ventilation Use only respirators etc. approved by the Bureau of Mines Remove men from job immediately if he shows any respiratory symtoms Prevention is most important history diagnosi necessary diagnosis was considered a very difficult one in most cases diagnosisinclneceussardy ingfeature is absolutely QuantativeBurke of New York is the only one mentioned that is able to make this test 80-631-698 EXHIBIT Sempen 80-631-698 PENGAD # 2 002428 | +h rehe Silicosis . Most silicotic cames die of T. B. or soms acute respiratory disease thirty with rare exceptions silicosis develops slowly some ten twenty or years In most of the cases discovered it took a staff of experttso make diagnosis Silicosis is now the TREMENDOUS HAZARD in the occupational disease HOW SILICOSIS OCCURS Silicosia is caused by the breathing very small particles of cles too small to be seen are the most dangerous dust The parti- They lodge in the and through irritation cause the normal lung tissue to be lung tissue or scar tissue The chance of replaced by fibrous getting silicosis depends upons 1. The amount of silica in the dust 2. How long the worker has been exposed to the dust 3. The smallness of the dust particle 4. Tfhoeotcoofncaenitrration of the dust that is the number of particles in a cubic SIGNS AND SYLETONS The symptoms of silicosis are 1. Shortness of breath 2. Decreased chest expansion * 3. Inability to do as much work as before 4. Increased susceptibility to tuberculosis a, ' 5. _as_scar tissue picture.- ~ No one symptom is sufficient to prove a case of silicosis and no case is es- tablished also ray opinion most workers who usually tuberculosis opinion physicians of silicosis not complicated with tuberculosis may safely continue to vided the dust hazard is removed or controlled work pro- PREVENTION For Employers 1. 1. The prevention of into the air and keeping the silicosia lies entirely in the therefore prevention is dust from ggeetttitnigng therefore dust must be removed and disposed of of 2. Control dust a point of brigin by use local exhaust systems or wat methods or a combination of both Wetted dust may dry out and enter the air ' 3. General ventilation will ship reduce silica concentration which should npeevrecrubeixcceefdoo5t,o00f0a,0i0r0 particles of pure silics under 10 microns in size 2 002429 Silicosis ) 4. Clean floors walls and benches sweeping and preferably outside regularly of by vacuum or wet brushing and at frequent intervals working hours Wet down foundry floors 5. Have blasting done only with articles workers Use by positive pressure masks completely enclosed supplying clean air or protect respirators only in emergencies and for from outside source limited exposure Have exceeding examination 6. not exceeding 1 year work Rem ber Remember lung safely continue at with rays of your most workers witehmpsliomypelees at intervals silicosis dust hazard is may 7. Make dust surveys and analyses frequently to Do not take changes with the lives and health of your ard in your plant determine exactly the dust haz- PREVENTION For Workers rays 1. If your employer does not provide medical have it done yourself before examinations with lung after at least once a year undertaking work in silien dust and there 2. Take care of your health and particularly do not neglect colds 3. Do not fail to use the protective equipment supplied by your employer 3 002430