Geiger Counter Readings in Seattle, WA on April 8, 2013

Ambient office = 92 nanosieverts per hour

Ambient outside = 93 nanosieverts per hour

Soil exposed to rain = 79 nanosieverts per hour

Frozen salmon from Costco= 90 nanosieverts per hour

Tap water = 125 nanosieverts per hour

Filtered water = 105 nanosieverts per hour