Geiger Counter Readings in Seattle, WA on June 30, 2012

Geiger Counter Readings in Seattle, WA on June 30, 2012

Ambient office = .123 microsieverts per hour

Tap water = .121 micosieverts per hour

Filtered water = .114 micosieverts per hour

Dried Cranberries from supermarket = .110 micosieverts per hour

Ambient outside = .086 micosieverts per hour

Soil exposed to rain = .094 micosieverts per hour