Geiger Readings for May 24, 2015

Ambient office = 93 nanosieverts per hour
 
Ambient outside = 79  nanosieverts per hour
 
Soil exposed to rain water = 87 nanosieverts per hour
 
Celery from Central Market = 100  nanosieverts per hour
 
Tap water = 169 nanosieverts per hour
 
Filtered water = 145 nanosieverts per hour