The programme was in put in place after Lord Gill’s report of the public inquiry into the explosion at ICL Plastics Ltd in Maryhill, Glasgow in May 2004, found many weaknesses in the safety regime in existence at that time. The explosion was caused by an LPG leak and killed nine people and injured many more. LPG had leaked from an on-site underground metal pipe into the basement of the factory and ignited, causing an explosion which led to the collapse of the four-storey Victorian factory. Lord Gill proposed a new regime for the use of LPG in industrial and commercial premises.