And here is one from Japan, put those two side by side
http://mu.jklmnop.net/japan/
Type: Posts; User: Cobalt
And here is one from Japan, put those two side by side
http://mu.jklmnop.net/japan/
Colorado also has Uranium in the soil so add that in with altitude and they have a higher "normal" number
Washington State Dept of Health radiation numbers here
http://www.doh.wa.gov/Topics/japan/monitor.htm