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Black Lung Disease

Black Lung Disease. All lung diseases associated with chronic overexposure to coal dust Chronic Bronchitis Silicosis Coal Workers’ Pneumoconiosis Chronic disease Fibrosis of the lung Range from simple to progressive disease. Black Lung Cases. 1968 to 1992 60,000 workers died of black

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Black Lung Disease

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  1. Black Lung Disease • All lung diseases associated with chronic overexposure to coal dust • Chronic Bronchitis • Silicosis • Coal Workers’ Pneumoconiosis • Chronic disease • Fibrosis of the lung • Range from simple to progressive disease Western Mining Resource Center Colorado School of Mines

  2. Black Lung Cases • 1968 to 1992 • 60,000 workers died of black lung and related complications • January 1992 to June 1997 • 1,914 reported cases of black lung Western Mining Resource Center Colorado School of Mines

  3. Black Lung Cases by Occupation(January 92 to June 97) Western Mining Resource Center Colorado School of Mines

  4. Black Lung Cases by Occupation (January 92 to June 97) Western Mining Resource Center Colorado School of Mines

  5. Federal Black Lung Program Western Mining Resource Center Colorado School of Mines

  6. Coal Workers’ Pneumoconiosis • Symptoms • Shortness of breath • Coughing • Pain during breathing • Night sweats • Weight loss • Chest pain • Enlarged heart/heart failure • May result in permanent disability and early death Western Mining Resource Center Colorado School of Mines

  7. Stages of CWP • Simple CWP • Miner may not seem sick • Can still work and do most normal activities • Complicated CWP • Scar tissue develops • Also called progressive massive fibrosis • Considered permanent disability Western Mining Resource Center Colorado School of Mines

  8. CWP: Number of Deaths, Crude and Age-Adjusted Mortality Rates (1968-1996) Western Mining Resource Center Colorado School of Mines

  9. CWP: Crude Mortality Rates by State (1987-1996) Western Mining Resource Center Colorado School of Mines

  10. CWP: Number of Deaths by State (1987-1996) States with rates > 10 deaths/million Western Mining Resource Center Colorado School of Mines

  11. CWP: Number of Deaths by Age (1987-1996) Number of Deaths Total Deaths = 18,245 Western Mining Resource Center Colorado School of Mines

  12. CWP: Most Frequently Recorded Occupations (1987-1996) Western Mining Resource Center Colorado School of Mines

  13. Percentage of Examined Miners with CWP by Tenure in Mining (1970-1996) Western Mining Resource Center Colorado School of Mines

  14. CWP: Estimated Number of Actively Employed Underground Coal Miners and Number Examined (1970-1996) Western Mining Resource Center Colorado School of Mines

  15. Number of MSHA and OSHA Inspector Coal Mine Dust Samples and Percent Exceeding the PEL (1970-1996) Western Mining Resource Center Colorado School of Mines

  16. Number of MSHA & OSHA Inspector Coal Mine Dust Samples & Average Severity Levels (1970-1996) Western Mining Resource Center Colorado School of Mines

  17. Western Mining Resource Center Colorado School of Mines

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