Ammonia Ether Rotten eggs Cat urine Skunk spray Nail polish remover
Also look at any suspicious features of the house, especially blacked out or painted over windows, diverted electrical lines, suspicious or makeshift plumbing, or excessive security features. Dead spots on a lawn may be a sign that chemicals have been dumped there. Having lots of loose dirt may be from burying waste.
A large amount of cold medication packages containing ephedrine or pseudoephedrine. Opened lithium batteries Paint thinner Drain cleaner/lye Engine starter fluid Antifreeze Acetone Matchbooks or boxes Road flares Iodine Hydrogen peroxide Epsom salt or rock salt bags Muriatic acid Rubbing alcohol Coleman fuel Caustic soda bags Industrial chemical drums Laboratory glassware 2-liter soda bottles with tubing attached Propane tanks with valves that have turned blue Freon Funnels Rubber tubing or plumbing pipes Gloves Coffee filters or rags with red stains Dust masks and respirator cartridges Drug paraphernalia
If the occupants are very standoffish, paranoid, and rarely come outside the house, be wary. Coming outside to smoke may be a sign, as cooks do not want to ignite flammable fumes inside Labs often have “Keep Out” signs, security cameras, motion sensors, alarms, booby traps, and other elaborate security systems. If you are a landlord, and your tenants do not want you to come inside or go into a specific area, this should be a immediate red flag.
Also look for red staining on the ceiling. This is caused by vapors produced from heating red phosphorus or iodine with a solvent, a common method of producing methamphetamine.
Do not play “hero” and try to stop a chemical reaction. In some processes, highly unstable chemicals may explode or form toxic gases if the reaction is stopped.
