Right you are Astronuc, "It's a matter of finding the right person(s) who are involved in the radiological monitoring program." Still, it changes daily.
Dr. Ron Chesser of Texas A&M has lead the team studying effects of radiation for many years, now. His work is easy to Google. I met with...
Having been very involved with Chernobyl issues for nine years, I would be happy to share any information that I have. Did an on site study through the UW at the "Chornobyl Nuclear Power Station" in 2004. Will tell you that radiation levels change daily, dependent upon factors including wind...