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Subject: Coal testing
DNR Office
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Subject
Coal testing
2
Coal
2
Coal quality
1
Air pollution
1
Analysis
1
Carbon emissions
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1
Chemical properties
1
Coal mining
1
Coal resources
1
Coal seams
1
Coal-fired power plants
1
Coke
1
Combustion
1
Environmental protection
1
Physical properties
1
Pollutants
1
Test validity
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