Ambient office = 95 nanosieverts per hour

 

Ambient outside = 105 nanosieverts per hour

 

Soil exposed to rain water = 101 nanosieverts per hour

 

Redleaf lettuce from Central Market = 102 nanosieverts per hour

 

Tap water = 121 nanosieverts per hour

 

Filtered water = 101 nanosieverts per hour