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.
If you suspect that your home or business has a natural gas leak, it's important to act quickly. Follow these tips to prevent harm to yourself or others. If you suspect that you have a natural gas leak, leave the area immediately and call PSE (at 1-888-225-5773) or 911.