It is getting harder and harder to find the EPA's radnet data, especially for beta. In my opinion, this is no accident. Let me explain and provide some relevant links.
Alexander Higgins has a wonderful feed where one can see on 1 page the gamma and beta levels for all reporting cities. http://blog.alexanderhiggins.com/2011/04/12/realtime-epa-radnet-japan-nuclear-radiation-monitoring-every-us-city-single-page-16511/
Unfortunately, his website is down today.
So, I had to go into the EPA's sites myself and see what I can find here http://www.epa.gov/radnet/radnet-data/#VA
I can find gamma levels but not beta. Radnet has taken down the beta information from the pages where they post air monitoring for participating cities.
For instance, here is the link for air monitoring in Harrisonburg Virginia. The page only provides gamma levels, which are harder to decode for novices like myself
Here is the radnet link that is supposed to allow you to search for beta data for participating cities
However, the page is not allowing me to select the monitoring site.
Consequently, I am unable to pull up beta levels, which I've used for my reporting.
Another Radnet page offers links to pages where data are supposedly posted but the links don't work.
"For real-time air monitoring data, please visit the EPA RadNet website and Central Data Exchange. To view both current and historical laboratory data, please visit our Envirofacts database" (page is http://www.epa.gov/japan2011/rert/radnet-data-map.html)
UPSHOT: I APOLOGIZE TO READERS LOOKING FOR THE BETA UPDATES BUT I CANNOT GET TO THEM!
TO REPEAT: I DOUBT THIS IS ACCIDENTAL.