A technician arrives at a job site and notices a strong smell of natural gas near the irrigation system's valve box area. The correct first action is to:
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A
Continue working but avoid using open flames
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B
Immediately evacuate the area, do not operate any electrical equipment (including cell phones), and call 911 from a safe distance
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C
Open the valve box to investigate the smell
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D
Turn on the irrigation system to flush the area with water