"Someone could attack the industrial control systems that control all the valves, all the distribution systems, and are used to turn on and off various aspects involved with energy and the electrical power grid and oil and gas distribution networks,".
VOA: standard.2009.08.11
National GridGas could not be expected to have known about the soil type, the report said.
"HSE's investigation has concluded that National GridGas have correctly applied their gas mains maintenance procedures in relation to the low pressure main located at 1-5 Bridge Street, " the report said.
The UK won't benefit from substantially lower prices unless the rest of Europe decides to back shale gas too, as Europe has a gasgrid that allows gas to be traded to the highest bidder.