A crew dry-cuts concrete indoors with visible dust and no water, vacuum, or respirator controls. What is missing?
Correct Answer
B) Dust control.
Concrete cutting can create respirable dust; cutting controls and respiratory protection must be coordinated where required.
Why This Is the Correct Answer
Concrete cutting can create respirable dust; cutting controls and respiratory protection must be coordinated where required.
Why the Other Options Are Wrong
Option A: Atmosphere testing.
Atmosphere testing. may relate to another site control, but it does not remove or guard the respirable dust control exposure being tested.
Option C: Clear below.
Clear below. may relate to another site control, but it does not remove or guard the respirable dust control exposure being tested.
Option D: Complete decking and rails.
Complete decking and rails. may relate to another site control, but it does not remove or guard the respirable dust control exposure being tested.
Memory Technique
Hazard lock for Managing Concrete: concrete is the harm, cutting is the guard.
Reference Hint
Study anchor (closed-book): memorize cited safety control from Cal/OSHA Title 8 Construction Safety Orders; CSLB B General Building. / Cal/OSHA Title 8 construction dust and respiratory hazard controls; know the rule or calculation trigger without relying on exam-room lookup.
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