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Question
10. Ethylene dichloride, a soil fumigant, has the following properties:a. LEL 6.2%
b. UEL 15.9%
c. FLASHPOINT 56 oF
d. BOILING PT 83.5 oC
e. PEL (TWA) 50 ppm
f. PEL (C) 100 ppm
g. STEL 200 PPM Duration: 5 minutes in any 3 hours
A manufacturing process liberates 3 cubic feet of ethylene dichloride per hour.
a. Calculate the minimum general exhaust ventilation required to keep the atmosphere around this process safe from fire and explosion. State any necessary assumptions.
b. Calculate the minimum general exhaust ventilation required to prevent a health hazard for this process.
Answer
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