Assistant Secretary of Labor for Mine Safety and Health Joseph Main said that operator compliance is up, stating that the percentage of inspections resulting in zero citations rose to 25 percent in 2015 from an average of 20 percent.
Read MoreAssistant Secretary of Labor for Mine Safety and Health Joseph Main said that operator compliance is up, stating that the percentage of inspections resulting in zero citations rose to 25 percent in 2015 from an average of 20 percent.
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