Ambient office = 128 nanosieverts per hour

 

Ambient outside = 115 nanosieverts per hour

 

Soil exposed to rain water = 118 nanosieverts per hour

 

Redleaf lettuce from Top Foods = 92 nanosieverts per hour

 

Tap water = 73 nanosieverts per hour

 

Filtered water = 67 nanosieverts per hour

 

Halibut – Caught in Canada = 99 nanosieverts per hour