The seller is ready to put mitigation plan in place and provide the reading before closing.What I learnt in my research with 6-8 hr reading (WHO and EPA publications and general reading on Web) is that ‘it should not be a concern at all’ if the level come under 4 as a result of mitigation plan.

You should be able to find them on web.

@Michael Wolffs We just finished replacing a 12' section if external wall and sill plate that had rotted as the result of a through window/wall AC unit that had allowed water to leak down into the wall for a prolonged period of time.We also removed a through-wall natural gas furnace at the same time and applied 3" of closed cell foam to the external walls on the main level.  

Ref: Maverick Investment Group.Recently I sat threw a web presentation put on by Maverick Investment Group promoting turnkey properties in Kansas City.

You could go to their web site Guidantfinancial.com to get all sorts of questions asnwered.

So, we monitor the number of web views, inquiries, scheduled showings, completed showings, submitted applications and approved applications – and analyze this data to recommend ad edits, ad reboots, price drops or property improvements.and here's how we screen:A bad tenant can lead to thousands of dollars of losses via unpaid rents, legal fees and property damages.

The IRS instructions and web site lead me to believe that you can't download the form, but you can order it to be mailed to you. 

Is there a user friendly FREE web site URL that one can visit to determine this?

It's cloud-based with apps for Android and iOS, plus it integrates with a whole slew of other software/web applications.

Do a little research on the web and spend $20-50.