• ​​​​Items of a suspicious nature including improvised heating and cooling mechanisms
  • Other used materials (cold and flu packets, empty pseudoephedrine blister strips, gas cylinders or butane fuel cans, stained coffee filters, pH testers or test strips, water pumps) surrounding a property
  • An unusual chemical smell
  • Plastic containers (with or without chemical labels) at the premises
  • Laboratory glassware being carried into a premises or present at a premises
  • Fan or pump type noise coming from the premises
  • Residents never putting their rubbish out or burning their rubbish
  • Little or no traffic at a residence during the day but frequent traffic late at night or at odd hours
  • Windows blackened out or extra effort to ensure windows and doors are covered or reinforced
  • Evidence of unusual electrical work surrounding the premises
  • Noticeable hoses and pipes near windows or doors
  • Installation of extractor fans (especially in garages/sheds)
  • Recently rented premises where residents are rarely there
  • A new tenant willing to pay rent months in advance using only cash
  • New rental applicants who try to avoid background checks
  • Chemical/reaction waste (often carelessly disposed of)
  • Unfriendly inhabitants who appear secretive about their activities, display paranoid or odd behaviour e.g. watching cars suspiciously as they drive by
  • Inconsistent behaviour – e.g. always home or never home
  • Frequent visitors, at odd hours, for short periods of time, maybe parked away from the house with one person waiting in the car
  • Premises have been outfitted with expensive security with no reason.IE multiple surveillance cameras.
  • Chemical odours such as solvents like acetone, acids, cat urine (without the cats), and gas
  • Boxes and containers that may have labels removed.