Environmental companies can perform an assessment called and ESA or "Desktop Review" its a historical record search that ties into a number of databases that will know the history of that tank if their is one, who put it in, and if it is still deemed "hazardous or dangerous" to the public.My company is an environmental firm that handles these types of issues in the commercial and residential real estate industry.

Some homeowners will just take the money and leave and then the city is stuck with a major ordinance and safety violation that they have to deal with. 

Get the police to escort in as means to maintain safety??

Assuming the kitchen and bathroom in place are functional, complete, and absent health/safety hazards, certainly. 

What would you guys advice for a right approach to get them out of my unit without me getting into any safety or legal issues.Thanks a bunch for your insight!

They are concerned for their safety, and frankly so am I. 

I like the added safety of multiple tenants as far as vacancies go.

Run it around the walls so it's not a trip hazard and tell her she can plug it into her TV or her laptop or whatever she wants, but here is your "internet". 

It's hard to tell from the language if this is a requirement (to minimize absentee out of state landlord issues) or simply to state who might be working on behalf of the out of state landlord as more of a safety precaution/heads up (e.g.

Although that has its own set of hazards that require a pretty savvy investor to navigate.