The following data comes from various sand samples collected from designated spots along the northern, central and southern Oregon coast. All of the samples are analyzed for cesium-137 and iodine-131 activity.
Coastal sand samples are collected and analyzed once a month.
Data:
Sand Analysis, Oregon 2013
Archive: Sand Analysis, Oregon 2012
| Sample Date |
Sample Location |
Cesium - 137 |
Iodine - 131 |
| Activity (pCi/L) |
Activity (pCi/L) |
| 03/07/2013 |
Harris Beach |
<MDA* |
<MDA* |
| 02/26/2013 |
Nehalem Beach |
<MDA* |
<MDA* |
| 02/20/2013 |
Harris Beach |
<MDA* |
<MDA* |
| 01/15/2015 |
Heceta Beach |
<MDA* |
<MDA* |
| 01/14/2013 |
Harris Beach |
<MDA* |
<MDA* |
| 01/03/2013 |
Oswald State Park |
<MDA* |
<MDA* |
*Minimum Detectable Activity
Units: Picocurie (pCi): A unit of measurement that corresponds to the rate of decay of a sample of radioactive material.
1 pCi=0.037 Becquerel (Bq) = 2.22 disintegrations/minute.