Drinking Water
Radioactive Iodine-131 was found in drinking water samples from 13 cities. Those cities are listed below, with the amount of Iodine-131 in picocuries per liter. The EPA’s maximum contaminant level for Iodine-131 in drinking water is 3 picocuries per liter.
- Oak Ridge, TN collected 3/28: 0.63
- Oak Ridge, TN collected at three sites 3/29: 0.28, 0.20, 0.18
- Chatanooga, TN collected 3/28: 1.6
- Helena, MT collected 3/28: 0.18
- Columbia, PA collected 3/29: 0.20
- Cincinatti, OH collected 3/28: 0.13
- Pittsburgh, PA collected 3/28: 0.36
- East Liverpool, OH collected 3/30: 0.42
- Painesville, OH collected 3/29: 0.43
- Denver, CO collected 3/30: 0.17
- Detroit, MI collected 3/31: 0.28
- Trenton, NJ collected 3/31: 0.38
- Waretown, NJ collected 3/31: 0.38
- Muscle Shoals, AL collected 3/31: 0.16
Precipitation
In the data released Friday, iodine-131 was found in rainwater samples from the following locations:
- Salt Lake City, UT collected 3/17: 8.1
- Boston, MA collected 3/22: 92
- Montgomery, Alabama collected 3/30: 3.7
- Boise, ID collected 3/27: 390
As reported above, the Boise sample also contained 42 pC/m3 of Cesium-134, and 36 of Cesium-137.
Air
In the most recent data, iodine-131 was found in air filters in the following locations. In the case of air samples, the radiation is measured in picoCuries per cubic meter.
- Montgomery, AL collected 3/31: 0.055
- Nome AK collected 3/30: 0.17
- Nome AK collected 3/29: 0.36
- Nome AK collected 3/27: 0.36
- Nome AK collected 3/26: 0.46
- Nome AK collected 3/25: 0.26
- Juneau AKcollected 3/26: 0.43
- Juneau AK collected 3/27: 0.38
- Juneau AK collected 3/30: 0.28
- Dutch Harbor AK collected 3/30: 0.14
- Dutch Harbor AK collected 3/29: 0.11
- Dutch Harbor AK colleccted 3/26: 0.21
- Boise, ID collected 3/27: 0.22
- Boise, ID collected 3/29: 0.27
- Boise, ID collected 3/28: 0.32
- Las Vegas NV collected 3/28: 0.30
- Las Vegas, NV collected 3/30:: 0.088
- Las Vegas, NV collected 3/29: 0.044