Geiger Counter Readings in Seattle, WA on July 25, 2012

Ambient office = .097 microsieverts per hour

Tap water = .095 micosieverts per hour

Filtered water = .089 micosieverts per hour

Hoody's roasted in shell peanuts = .075 micosieverts per hour

Ambient outside = .093 micosieverts per hour

Soil exposed to rain = .127 micosieverts per hour