Those who actually need the therapeutic benefits of the chemicals in marijuana can ingest the product in another form.

Will the paint fail to adhere completely, or is it more an issue of the treatment chemicals bleeding back into the paint, or something else?  

What I'm really worried about is that they have a child with respiratory issues and the perception/reality of soot and chemicals smells getting into the fabric couch etc.  

According to news today, the company has suspended the use of these chemicals. http://www.portlandmercury.com/BlogtownPDX/archive...As far as affecting home values, I think it's probably good news that chemicals are from an active point source (which can cease polluting) rather than arsenic or cadmium leftover from industry or natural to the area.

My name is Phuc and I am a full time chemical engineer from Houston, Texas looking to become a real estate investor.

If you don't ask for federal protection, then the retard behind the desk will assume you are a government employee, because you didn't say otherwise, so you get CODE, and they will keep the conversation in CODE, because you don't know any better, and neither do they!!!! 

Another possibility for that would be for people with Chemical Sensitivity.

In addition the plaster itself was a lot like concrete and eventually the chemicals in it would eat through the heating mesh or wiring connections.

Do any of them use chemicals, any corrosives, are operations expected to be loud or cause noise issues?

A UV light will need to have the bulb changed probably every year.One investor that I know claims that a disgruntled tenant continually ran the water to saturate the septic and drain field, causing him to spend $25,000 for a new system, immediate afterwards he sold the property.Shallow dug wells are susceptable to all kind of pollution including fertilizer, chemical and natural, septic systems, insects and even a decaying animal.