The blast happened near the source of an underground natural gas leak, which occurred during drilling for a ground source heat pump. The new monitors can warn of toxic and flammable gases ...

fixed gas detection systems for continuous monitoring of hazardous areas, and explosion-proof gas detectors for flammable and explosive areas. They have all been rigorously inspected and tested to ...

"This new technology could be used for climate monitoring by detecting greenhouse gases like ... and in chemical production plants for detecting toxic or flammable gas leaks and for process control." ...

Each compressed gas cylinder must be clearly labeled to indicate the contents. Check connections and hoses regularly for leaks using a specific monitoring instrument or soapy water (or equivalent).