hydrogen sulphide
Alberta gas well blowout still not capped: Encana
Energy producer says small amounts of poisonous hydrogen sulphide have been released since the well blew Sept. 21
Alliance Pipeline: could take several days to burn off hydrogen sulphide gas
Keyera Corp. said toxic gas got into the pipeline after an “operational upset” at its Simonette gas plant last week.
CNRL faces charges over hydrogen sulphide gas release
Oil sands giant faces 11 environmental charges that each carry a possible penalty of $500,000.