Anthraco-silicosis among hard coal miners / from the Office of Industrial Hygiene and Sanitation, R.R. Sayers ; prepared by direction of the Surgeon General.

  • United States Public Health Service
Date:
1936
Catalogue details

Licence: Public Domain Mark

Credit: Anthraco-silicosis among hard coal miners / from the Office of Industrial Hygiene and Sanitation, R.R. Sayers ; prepared by direction of the Surgeon General. Source: Wellcome Collection.

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    ¥. VI. Correlation of physical findings with dust exposure—Continued. 8: Progress of pulmonary. changes 42525242. ce.4bulfeiedl. 9. Pulmonary infection with or without anthraco-silicosis_-_-__- Prevalence of clinical pulmonary tuberculosis____-_---- Prevalence of pulmonary infection according to length WEVSED VCO ture mt at eg eos aie SU li NS ak a Prevalence of pulmonary infection according to stage Of anthraco-sHieosis oe ced oe Ae pul See Mia 10. Physical impairment causing decreased capacity for work_-__ Percentage showing disability according to length of BOT ICOtr ater Gre i baci BUR pe BA hate, Sb hak pha aah a te Percentage showing disability according to age, with special reference to the age group 55 and over_-_-_--_-- Percentage showing disability according to stage of ‘Widmtarace-siliCesig aoe wil Pau ns Ae Mia an A pi Correlation of pulmonary infection with disability—__-__ VII. Mortality among the fathers of anthracite coal workers interviewed - 1. Mortality from sickness and nonindustrial accidents _ -_---- 2. Mortality from respiratory diseases__...._..._...-.-----.=-- 3. Mortality from influenza and pneumonia_____-___-_______--_ 4, Mortality from all respiratory diseases except influenza and RRO UMA OINM a Ser ys ye ah a ak ae oa tk Shed at 8 a 5. Mortality according to length of service___....--.-.----.- Gs .WhOrtalit yew Clhecades ieee Ge eee ot ged? es (, sOUBIIORT OP MMOPUa lity Soo 8 Vow tele. ee Ee ea i References_____-_- Baste yes Pa eR ei ae eb ee ae ee ILLUSTRATIONS Figure 1. The anthracite fields of northeastern Pennsylvania____________-_-_- 2. Sketch showing section of anthracite beds in northern field________- 3. Section of measures in southern field at Lansford___________._-_-_- A” eeading ‘a,mine car from 3 pitching breast. 022-222. 25.22 kek tI TSN SP) ON ICDS NC 2) ale I ET cles Ig. rtm RI a ee i ong RN Sd Gn ocraper cmiplying coal into va milie Car... 22 2 eo ee Maen OOIVC VOR. foe. st ee war, here re aes ee oy ee ap Re &. Placing cloth brattice to change air course! =. 2.22 bel eS GO SRiinary suakib Gsereeiic Of. = ssa Fee 2S leh ok Oe et oe 10. Drilling with jack-hammer Uber) LLG eG ONTI TIN. crs ees Ss eS eed ON a eared a Sy Sve Od AA IEsCOULSES IM, Dy OIGMr MING o.oo 5 oo A ne ie ee eh ee ne 13. Particle-size distribution of anthracite coal dust based on measure- IMCHICGTOP EKO. AnUICIOS oie Oe kL Sais Nee oe I Ri 14. Photomicrograph of a mixture of coal and rock dust suspended in the Ea Vete boy Oh MUTT te Hal Ee Ages ne eal CE NN ae oe Ne ata al tN i a 15. Photomicrograph of coal dust suspended in the air of a mine___-_-___- 16. Occupational and past medical record if SCNEMOLOE UX =Eayy IDLCLPretvaviOus oc) 20s. fe oe re a 18. Percentage of men having anthraco-silicosis (stage 1, 2, or 3) in each of four groups of anthracite coal mining employees, classified according to dust exposure and length of time in the industry_____________- 19. Percentage of men having stage 2 or 3 anthraco-silicosis according to dust count and number of years in the industry 88 89 90 92 99 100 103 104 107 107 110 110 tad 112 112 113 10 I] 12 14 14 15 15 16 16 22 22 28 34 34 34 51 59 7 78