An amateur scientist started issuing predictions of future quakes based on measurements he took at a handful of radon gas detectors in the area. (sciencenews.org)
inspection on gas meters in customers» homes Used Ex-1000 combustible gas detector on gas meters To check for leaks also take readings on gas meters also. (livecareer.com)
Howie says «They were amazed to find that I use a similar brand of gas detector that the Fire Department uses for detecting natural gas leaks.» (canadianresidential.com)