Geiger Readings for May 08, 2015

Ambient office = 84 nanosieverts per hour
 
Ambient outside = 150  nanosieverts per hour
 
Soil exposed to rain water = 138 nanosieverts per hour
 
Redleaf lettuce from Central Market = 59  nanosieverts per hour
 
Tap water = 91 nanosieverts per hour
 
Filtered water = 90 nanosieverts per hour