Information for Ohio
No Regulations, to date there are no set safe levels of methamphetamine for the State of Ohio, though six municipalities in Ohio have set Standards.
Check with your local municipalities for more information. Cuyahoga Fall <1.0ug/sf, Barberton <0.1ug/100cm², Geneva on the Lake <1.0ug/sf, Conneaut <1.0ug/sf, Lake County Health District <0.1ug/100cm², Chillicothe <0.1ug/100cm², Niles <0.1ug/100cm². These municipalities have disclosure laws concerning meth contaminated properties: Monroe Falls and Stow.
Ohio Department of Health, Bureau of Environmental Health
246 N High St, Columbus OH 43215
The DEA has kept a catalog of properties since 2004 across the nation of locations of clandestine meth lab busts completed by their department, check to see if your property is on their list:
EPA Voluntary Guidelines for Methamphetamine Laboratory Cleanup