Multiple Choice
How do mining and mineral-processing operations control dust that may be produced during operations?
A) They develop more smelters and slag.
B) They are not required to control dust in the U.S.
C) They use water and vacuum systems to control the dust.
D) They add pyrite to the soil.
E) All of the above.
Correct Answer:
Verified
Correct Answer:
Verified
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