Respirable Coal Mine Dust Certification Exam 7
Taken from the 2014 MSHA Instruction Guide (IG) 100
Progress Indicator:
Question 1 of 20
1. As of August 1, 2016, the standard for respirable coal mine dust in the section intake air is _________ milligram(s) of dust per cubic meter of air.
Choices:
- 0.3
- 0.5
- 1.0
- 1.5
|
|
|
|
