Radiological surveillance data pertaining to Fukushima Daiichi-derived contamination found in earthquake tsunami debris
(under construction)
Some links to information on the debris:
http://www.usatoday.com/NEWS/usaedition/2012-06-08-tsunami-debris-_ST_U.htm
www.marinedebris.engr.uga.edu
http://response.restoration.noaa.gov/
http://usresponserestoration.wordpress.com/2012/01/31/track-marine-debris-japanese-tsunami/
Background radiation levels in Acadia National Park on Mount Desert Island, Maine, in 1984
The following background radiation measurements are of possible interest to individuals monitoring tsunami debris contamination on Pacific coast beaches. These measurements were recorded by an unidentified Acadia National Park employee on 7/12/1984.
Location |
Readings (mrem/hr) |
Sand Beach |
|
Low tide baseline (west side) |
0.04 |
Washed sand (west side) |
0.03 |
Washed seaweed (west side) |
0.02 |
Seaweed on rocks near low water line 20 yards from cliffs (east side) |
0.03 |
Cliffs and cleft (east side) |
0.05 |
Mid-beach seaweed (3 m x 3 m sample) |
0.02 |
Otter Cliffs |
|
Cove before low tide |
0.05 |
Seal Harbor Beach |
|
Seaweed across from Stanley Brook entrance |
0.03 |
Bubbles Pond |
|
Shoreline |
0.04 |
Cadillac Mt |
|
Summit |
0.05 – 0.06 |