Question 6 of 30
What is the maximum interval of time between sampling and analysing for each sampling head location sequentially?
A
Not exceeding 50 minutes interval
B
Not exceeding 40 minutes interval
C
Not exceeding 30 minutes interval
D
Not exceeding 60 minutes interval
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Answer & Explanation
The correct answer is Option C: Not exceeding 30 minutes interval.
In fixed gas sampling systems, the regulation requires that the sequence of sampling from various heads is frequent enough to ensure safety. An interval not exceeding 30 minutes is the industry standard to ensure real-time hazard detection.