Silicosis in the metal mining industry : a revaluation, 1958-1961.
- United States Public Health Service
- Date:
- [1964]
Licence: Public Domain Mark
Credit: Silicosis in the metal mining industry : a revaluation, 1958-1961. Source: Wellcome Collection.
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No text description is available for this image
No text description is available for this image![APPENDIX EFFECTS OF SILICOSIS AND OrHER Factors oN PULMONARY | USCS Seals ok ae ene es ee a ec LSE CCRNTSLAKO TASS 2 ane ae eee ee BERS Rete 2 ge ove ae Sane nee eee Effects of Silicosis on Pulmonary Function_______--__-- Effects of Other Factor: on Pulmonary Function_-_-_---- Correlation Between Four Measurements of Pulmonary JECTS SCC), el SENSI ha ieee ey ERR eee en TABLES Table IV.1.—Data on mines included in the dust study____-_- Table IV.2.—Host rock and alpha quartz correlation_____-__- Table IV.3.—Distribution of 67 mines according to principal (LMT CBRL INO S26 Sa 8 sad wa alt een gly Pelvis a) Ly SU Table IV.4.—Number of midget impinger samples collected for determination of airborne dust concentrations-____------ Table IV.5.—Samples collected during the study____---_--_-- Table IV.6.—Comparison of 55 particle-size analyses by elec- trontand. optical microscopy 452 < ees bSeale oes Pees Table IV.7.—Particle-size characteristics of 481 samples exam- ined. Dy Opticalcmicroscopy Lys 20s «see eee Pee Table I[V.8.—Free silica content of settled dust at 67 mines-___ Table I[V.9.—-Distribution of weighted average exposures that exceeded thresholdclimit-valuess..<) _ Goss s be a et Se Table [V.10.—Occupational dust exposures, underground, Wel mile Ua VernOes ks fu OU Palys We ver ek Nine he Ae IMA Table [V.11.—Midget impinger samples collected at surface and undercround millsand crushers. -............/-....-< Table IV.12—Midget impinger samples collected at surface Gc rerom cope ie teria | nears ore E - Fall aea cet a higie, ae Table IV.13.—Occupational dust exposures, surface and under- eroumoesrithimeticnameragese lc Ga. buns). oo ee bow See Table [V.14.—Dust concentrations in underground operations_ Table [V.15.—Occupational dust exposures, surface and under- Table [V.17.-—Practices that caused dusty conditions___--__- Table IV.18.—Ventilation rates at 53 mines with mechanical ventilation Page 231 231 232 236 237 33 OO 36 41 4] 45 46 48 ol 56 60 62 65 66 67 70 a 72 72 74 79 XU](https://iiif.wellcomecollection.org/image/b32183136_0015.jp2/full/800%2C/0/default.jpg)