Question 5028 of 223 · California Water Treatment Operator Exam
Before entering a confined space such as a tank, the operator must
Exactly one answer is correct.
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Correct answer to question 5028
- C: test the atmosphere and follow the permit-required procedures
Explanation
Oxygen deficiency and toxic gases are hazards. Atmospheric testing, ventilation, a standby attendant and rescue plans are required.
More questions: Regulations and Administrative Duties
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