Question
The airborne concentration of perchloroethylene at a commercial dry cleaners is 32 ppm. General ventilation in the machine area is 3,900 cfm. How much additional
The airborne concentration of perchloroethylene at a commercial dry cleaners is 32 ppm. General ventilation in the machine area is 3,900 cfm. How much additional air will be needed to reduce the perchloroethylene concentration to 5 ppm?
17,200 cfm
16,000 cfm
27,000 cfm
21,100 cfm
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Essential Practices For Managing Chemical Reactivity Hazards
Authors: Robert W. Johnson, Steven W. Rudy, Stephen D. Unwin
1st Edition
0816908966, 978-0816908967
