How can i tell if a house is safe to live in- Meth may have been smoked there?

Question by Life4christ: How can i tell if a house is safe to live in- Meth may have been smoked there?
I rented out my house for several years, i am now thinking about selling it, and want to know how i test to see if a house is safe to live in.. Also, if meth was not manufactured there, just smoked once or twice would it be safe?

Thank you for any help!

Best answer:

Answer by Dan
Your local Police lab MAY be able to help, you MAY have to pay their time.

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