AK General Contractor Practice Questions - Alaska General Contractor Exam

What is the OSHA silica exposure standard for construction?

There is no standard The permissible exposure limit is 50 micrograms per cubic meter of air over an 8-hour shift The permissible exposure limit is 100 micrograms per cubic meter Silica exposure is not regulated

Correct Answer:

The permissible exposure limit is 50 micrograms per cubic meter of air over an 8-hour shift

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