EPA's Action Guidelines for Emergencies

http://www.rrt5.org/acp/docs/App6_AirMonitoringGuidelines.pdf

This 2009 guideline produced by the EPA puts action levels for radiation at 300 CPM but notes the following

"Standard EPA Emergency Response Protocol is to screen for radiation with a Micro-R at all emergency responses. If readings are three times background, responders consult with a Health Physicist."

The beta levels registering in much of the US recently have been grossly exceeding 3 times background and have, in fact, grossly exceeded 300 CPM in many areas.

The EPA should be explaining these levels.

Why are reported levels so high?

http://blog.alexanderhiggins.com/2011/04/12/realtime-epa-radnet-japan-nuclear-radiation-monitoring-every-us-city-single-page-16511/