Geiger Readings for Sep 11, 2015

Ambient office = 136 nanosieverts per hour
 
Ambient outside = 80   nanosieverts per hour
 
Soil exposed to rain water = 102  nanosieverts per hour
 
Celery from Central Market = 67  nanosieverts per hour
 
Tap water = 94 nanosieverts per hour
 
Filtered water = 74  nanosieverts per hour