I don't think "meth" the drug is a risk to a house, it's the chemicals that are used to produce it.

Likely with Chemical Bank.

I have a team now to handle the flips, the leads and I stepped out of all of that to.. yup.. do what I love, and what is most important to be succesful.I OFTEN hear people say "why do you do seo.. it takes time away from making deals".That is the MOST RETARDED comment anyone can make.I do the ONE thing that gets me leads!

Is there a gas station or dry cleaners nearby (dangerous chemicals could be underground)?

Instruct the tenants not to use chemicals in the toilet tank, especially chlorine tablets, as they damage flappers and other parts inside the toilet tank. 

We don't allow our tenants to use draino or any other caustic chemicals in our plumbing systems.

I'm chemically sensitive and short of breath.

Here is one of many articles, concerning that development:http://businessjournaldaily.com/economic-development/breaking-news-shell-chemical-selects-beaver-county-pa-cracker-plant-2012-3-15Raymond

Professional chemical soil treatments create barriers - they're not designed to destroy the colony, but rather keep them at bay.  

The right cleaning chemicals can make an older range look brand new.