Treacherous \Treacher*ous\, a. [See Treacher.] Like a traitor; involving treachery; violating allegiance or faith pledged; traitorous to the state or sovereign; perfidious in private life; betraying a trust; faithless. [1913 Webster] Loyal father of a treacherous son.
Fuel Safety Tips. 1  If you need to transport fuels such as propane, gasoline or oil, it should only be carried in approved containers certified by agencies such as the Canadian Standards Association or Underwritersâ Laboratories of Canada. 2  Containers should never be filled right to the top.
Gas Theft Tip Line. Stealing natural gas is costly to all of us and can be extremely dangerous. If you know of someone who is tampering with a gas meter or making an unauthorized connection, please call our confidential, 24-hour, toll-free Gas Theft Tip Line. 1  In New York, call 1-800-992-9926.