Structure fires: Ignition source
  

13% of the structure fires were suspected to be arson or vandalism.
Between 2004 and 2008 the ignition sources in other structure fires were:
18% cooking
10% heating/cooling
9% electrical distribution equipment – wiring
8% miscellaneous, which includes exposure fires, natural causes, chemical reactions
6% cigarettes
4% appliances
4% other open flame tools excluding matches, lighters
2% candles
2% lighting excluding candles
1% matches or lighters (excluding arson fires)
1% processing equipment
19% reported as undetermined