Fire Safety Science Digital Archive

An examination has been made of fire brigade reports of incidents involving explosions of town gas in dwellings during the 12 years 1957 - 68. The average annual, frequency was about 84 but appears to be increasing. The average rate of incidence is about 5.0 per 10^8 therms of gas sold. About 48 per cent of incidents cause some structural damage and in 38 per cent of these it is considered "severe".