This Nov. 25, 2013 photo shows certified industrial hygienist Gary Siebenschuh, center, and his assistant Courtney Van Stolk, left, speaking with homeowner Dick Cochran after searching for methamphetamine residue in the house he rents in Memphis, Tenn. The house was placed under quarantine after a Nov. 6 fire that police said was caused by a renter who was making meth in a clandestine lab that exploded in the attic of the house. (AP Photo/Adrian Sainz).