Higher than normal radiation over 150 cpm on USA west coast, California beach, San Fransisco, December 2013
- 10 years ago
Normal Background Radiation is ~ 20 - 40 CPM
Sometimes Occasionally Radiation goes to ~50 CPM for no reason in normal background setting
above 100 CPM is considered something a person should not be in for long periods of time
150 CPM is a risk for health issues
Chart included in video
Sometimes Occasionally Radiation goes to ~50 CPM for no reason in normal background setting
above 100 CPM is considered something a person should not be in for long periods of time
150 CPM is a risk for health issues
Chart included in video