published Mar 16, 2009 - 12 pages
Commercial replacement of fluorocarbons in mobile air conditioning systems (MACS) with typically HC-290/600a[60/40] and minimal precautions began in Idaho in 1993. R290/600a has low environmental impact but mixed with air is flammable and frequencies for fire, injury and cabin overpressure were predicted. No such accidents are known from 1993 to mid-2003.
R290/600a suppliers consumption, representative MACS charges and charge termination frequency were used to predict yearly
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