Call for an appointment: 888-217-2719. From law enforcement usage private individuals are increasingly employing drug residue testing in their homes and businesses. Home test kits enable homeowners to sample surfaces. Identify potentially hazardous contamination. This becomes particularly crucial if a home was previously used as a methamphetamine lab or for producing chemicals associated with drug production. Parents also utilize these tests to check for any signs of drug activity by teenagers or other occupants, within the household.