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A worker enters an excavation where a hazardous atmosphere could reasonably exist. What should be done before entry?

Correct Answer

C) Test and control the atmosphere as required before entry.

Potential hazardous atmospheres in excavations require appropriate testing and controls before employee entry.

Answer Options
A
Rely on smell only.
B
Enter quickly before vapors collect.
C
Test and control the atmosphere as required before entry.
D
Skip checks if the trench is less than 8 feet deep and work is brief.

Why This Is the Correct Answer

Potential hazardous atmospheres in excavations require appropriate testing and controls before employee entry.

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