Geiger Readings for Sep 30, 2015

Ambient office = 98 nanosieverts per hour
 
Ambient outside = 91 nanosieverts per hour
 
Soil exposed to rain water = 94 nanosieverts per hour
 
Romaine lettuce from Central Market = 65 nanosieverts per hour
 
Tap water = 85 nanosieverts per hour
 
Filtered water = 78 nanosieverts per hour