Properties in which law enforcement has made an arrest, or properties that a health department has deemed unfit will be posted (not always) against entry with signs warning of possible chemical contamination that pose clandestine drug lab hazards. Occupation of properties where meth lab dangers have been discovered will usually be prohibited until after assessment and/or remediation by a certified clandestine drug lab decontamination contract or in accordance with the law. The warning signs prohibit anyone from entering the property unless they are certified to do so. Understand clandestine drug lab safety requirements!
Because of the health problems associated with the production of illegal drugs in homes or other interiors: