A report of dangerously high carbon monoxide levels within the passenger compartment of a snow-obstructed vehicle

BMC Emergency Medicine

Table 1 Carbon monoxide levels in a snow-obstructed vehicle.

Time (minutes)	Trial #1	Trial #2	Trial #3	Trial #4	Trial #5
0	0*	0	0	0	0
2.5	999	530	8	28	0
5		999	113	555	33
7.5			999	751	265
10				585	299
12.5				622	276

*Parts Per Million
Trial #1: Windows Closed; Trial #2: Windows Open one inch; Trial #3: Windows Open 6 inches; Trial #4: Windows Closed, Tailpipe brushed clear of snow; Trial #5: Windows Closed, Tailpipe brushed clear of snow in an area one cubic foot around tail-pipe; Trial #6: Windows Closed, Tailpipe brushed clear of snow in an area 12 inches wide, depth to ground level.

ISSN: 1471-227X