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A #20 propane tank (5 gallon capacity) leaks out into a garage over 24 hours.If the garage is 20ft x 20ft x 9 ft, and

A #20 propane tank (5 gallon capacity) leaks out into a garage over 24 hours.If the garage is 20ft x 20ft x 9 ft, and has a K factor of 10, how many ACH are necessary to keep the concentration in the garage below the TLV (2500 ppm)? density of liquid propane is 507.7 g/l, MW = 56.1

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