Geiger Readings for Apr 09, 2016

Ambient office = 136 nanosieverts per hour
 
Ambient outside = 94 nanosieverts per hour
 
Soil exposed to rain water = 112 nanosieverts per hour
 
Redleaf lettuce from Central Market = 72 nanosieverts per hour
 
Tap water = 139 nanosieverts per hour
 
Filtered water = 122 nanosieverts per hour