Fukushima Nuclear Radiation Detected In U.S. Food Chain

by The Rebel Pharmacist

After the devastating natural disaster that shook Fukushima in 2011, seaborne radiation from the Fukushima nuclear power plant disaster has been detected on the West coast of the U.S for the first time.

In a measurement taken by the Woods Hole Oceanographic Institution on seawater from Tillamook Bay and Gold Beach in Oregon, researchers found Cesium-134, which is a hallmark chemical from Fukushima that has a very short half-life. The chemical has also been detected in Canadian salmon, by the inFORM project which was led by the University of Victoria.

Currently, the levels are extremely low, according to researchers, and do not pose a hazard to humans or the environment.
In 2011, when a 9.0 magnitude earthquake and tsunami struck the plant and left it crippled, there were massive amounts of contamination found in the water.

The Woods Hole chemical oceanographer Ken Buesseler runs a crowd-funded, citizen seawater sampling project which tracks the radiation plume as it makes its way across the ocean.

In the Oregon samples, cesium-134 made its way to U.S shores for the first time. The samples measured were a mere 0.3 becquerels per cubic meter of cesium-134.

Cullen leads the InFORM project in Canada, and in doing so, he measures the risks to the countries oceans following the disaster. It is a partnership of a dozen academic and non-profit organizations that include Woods Hole.

Just last month, the team found a single sockeye salmon that tested positive for cesium-134. Thankfully, the level was 1,000 times lower than the level that was set for action within Health Canada, and due to that, it posed no significant health risks to consumers, according to Cullen.

A recent InFORM analysis of Buesseler’s data confirmed that the concentrations of cesium-138 have increased considerably in the central northeast Pacific, although at the present time they do not call for concern. Cesium-134 has a half-life of two years, which means that its down to a fraction of what it was five years ago, however, Cesium-137 has a half-life of 30 years.

“It appears that the plume has spread throughout this vast area from Alaska to California,” the scientists wrote. “As the contamination plume progresses towards our coast we expect levels closer to shore to increase over the coming year,” Cullen said.

Buessler says that even that peak won’t pose health concerns. In the following figures, you can see how scientists are using the increase of cesium-137 instead of cesium-134 to track the plume of radiation contamination that was caused by Fukushima.

Thankfully, due to enhanced technologies and science, it is easier to detect the exact hazards that such a natural disaster could pose to the rest of the world. Such science also offers us insight into the effects of nuclear waste in general, as well as the devastating effects that are caused by events that are out of our control. Of course, only time will tell exactly what we are looking at on a larger scale, however, knowing how the influx of chemicals is appearing on our coasts it of the utmost importance.

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