AL Lath Plaster Practice Questions - Alabama Lath And Plaster Contractor Examination Exam

Which control method should be used first to reduce silica dust when dry-mixing portland cement plaster ingredients?

Rely only on disposable dust masks chosen by workers Engineering controls and work practices such as local exhaust, water, or enclosed mixing, then PPE if needed Only increase general room fans with no source control Only schedule longer shifts so dust settles overnight

Correct Answer:

Engineering controls and work practices such as local exhaust, water, or enclosed mixing, then PPE if needed

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