What are signs of a meth lab?
A typical meth lab is a collection of chemical bottles, hoses, and pressurized cylinders. The cylinders can take many forms, from modified propane tanks to fire extinguishers, scuba tanks and soda dispensers. The tanks contain anhydrous ammonia or hydrochloric acid ? both highly poisonous and corrosive. Labs are frequently abandoned, and the potentially explosive and very toxic chemicals are left behind. Chemicals may also be burned or dumped in woods or along roads. The most common chemicals used to start the meth-making process are over-the-counter cold and asthma medications which contain ephedrine or pseudoephedrine as decongestants or stimulants.
