What ventilation rate should be established in confined spaces that have been cleared of hazardous materials?

asked 29 Apr, 03:42

April 29, 2019, 3:42 a.m.
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Answer:

The ventilation should be provided continuously with rate of 30 volumes per 1 hour.

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answered 29 Apr, 05:10

April 29, 2019, 5:10 a.m.
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