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Nonmetallic Minerals Metal Mining Coal Mining Other Mines.

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Presentation on theme: "Nonmetallic Minerals Metal Mining Coal Mining Other Mines."— Presentation transcript:

1 Nonmetallic Minerals Metal Mining Coal Mining Other Mines

2 *1987 Standard Industrial Classification (SIC) Nonmetallic Minerals (SIC 1400) 59% Metal Mining (SIC 1000) 38% Coal Mining (SIC 1200) 1% Mines of Unknown Type 2% Mines of Unknown Type 2%

3 No. of Cases Type of Employer at Time of Silica ExposureOccupation Age Silicosis Identified Year Silicosis Identified Year First Exposed to Silica Dust 48 Nonmetallic minerals (sand, gravel, stone) Laborer 14 Heavy Equip. 8 Dryer Oper. 5 Mgr/Oper. 5 Machinist 3 Miner 3 Bag Handler 2 Truck Driver 2 Screen Oper. 2 Mining Engin. 1 Shipping 1 Unknown

4 No. of Cases Type of Employer at Time of Silica ExposureOccupation Age Silicosis Identified Year Silicosis Identified Year First Exposed to Silica Dust 31 Metal mining (iron, silver, zinc) Miner 16 Driller 5 Mechanic 3 Laborer 3 Explosives 1 Electrician 1 Unknown Mines of unknown typeMining engineer Unknown 1 Coal miningExplosives/tunnel worker

5 No. of Cases Type of Employer at Time of Silica ExposureOccupation Age Silicosis Identified Year Silicosis Identified Year First Exposed to Silica Dust 25 Construction sand and gravel Laborer 9 Machine/Equip. operators 5 Drier Operator 3 Bag Handler 2 Machinist 2 Truck Driver 1 Foreman 1 Miner 1 Unknown NONMETALLIC MINERALSConstruction Sand and Gravel

6 No. of Cases Type of Employer at Time of Silica ExposureOccupation Age Silicosis Identified Year Silicosis Identified Year First Exposed to Silica Dust 9Industrial sand Machine/Equipment operators 3 Sand drier 2 Laborer 1 Truck Driver 1 Mechanic 1 Sweeper NONMETALLIC MINERALS Industrial SandIndustrial Sand

7 No. of Cases Type of Employer at Time of Silica ExposureOccupation Age Silicosis Identified Year Silicosis Identified Year First Exposed to Silica Dust 6 Crushed and broken stone (all types) Quarry worker 2 Screener 1 Plant manager 1 Stone Crusher Operator 1 Mining engineer Miscellaneous nonmetallic minerals (graphite) Mill operators 2 Screener 1 Shipping Dimension stoneQuarry worker 1 Miner 1 Unknown Mines of unknown typeMining engineer Unknown 1Kaolin and ball claySample manager NONMETALLIC MINERALS Stone, graphite, clay

8 No. of Cases Type of Employer at Time of Silica ExposureOccupation Age Silicosis Identified Year Silicosis Identified Year First Exposed to Silica Dust 26Iron ore minesMiners 11 Trammers 1 Drillers 5 Electricians 1 Laborers 1 Explosives 1 Mechanics 2 Loader 1 Unknown Zinc ore minesMiners Silver mineMiner Metal ore mine (not elsewhere classified) Mining engineer801982Unknown METAL MINING


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