Fish from the West Coast of North America, Hawaii and Japan are a big concern. Everyone must have questions about the Rad levels.
We will present what ever we find on this topic, if you know of a good article or video we have not mentioned, please email it to us
Monitoring network detects minute trace of Fukushima radiation
February 2, 2017
For the first time, seaborne radiation from Japan’s 2011 Fukushima nuclear disaster has been detected in a Canadian salmon, says UVic chemical oceanographer Jay Cullen, who leads the InFORM coastal network that monitors marine radioactivity off BC.
The single sockeye salmon contained a miniscule amount of cesium-134, the “fingerprint” isotope from Fukushima. The salmon was collected in Okanagan Lake in summer 2015 and was one of eight fish out of a total of 156 that tested positive for trace levels of cesium-137, also a manmade isotope, but not necessarily from Fukushima.
“With its roughly 30-year half-life, cesium-137 is still present in the environment from 20th-century nuclear weapons testing and Chernobyl, in addition to Fukushima,” says Cullen. The team did more intense analysis to determine if the telltale cesium-134 was also present.
“We took these same eight fish and measured them for 60 times as long as we normally do to look for the Fukushima fingerprint,” he says. “This is analogous to cupping your hand behind your ear to pick up a whisper from across the room.”
The level of cesium-134 in the one salmon was 10,000 times lower than Health Canada safety guidelines, which is nowhere near a significant risk to consumers, says Cullen.
“For perspective, you would need to eat 1,000 to 1,500 kg of salmon with this level of contamination in a short period of time to increase your radiation dose by the same amount as a single five-hour cross-country airplane flight.”
Testing in 2016 discovered one sockeye salmon from Sproat Lake on Vancouver Island with a “minimum detectable concentration” of cesium-137. Further testing is being done to determine whether it’s traceable to Fukushima.
The radiation plume from Fukushima has spread throughout the northeast Pacific from Alaska to California with maximum levels of contamination expected nearshore this year and next.
The InFORM network involves scientists in Canada and the US, health experts, non-governmental organizations—and citizen scientists along the BC coast who assist with the monthly collection of water, and annual collection of fish and shellfish samples for analysis.
The samples supplement measurements taken offshore by Fisheries and Oceans Canada and a citizen scientist network coordinated by Woods Hole Oceanographic Institution that extends from the Bering Strait to San Diego.
“As the highest concentrations from this plume arrive in the next few years, we’ll continue to monitor radioisotope levels and what kind of risks they pose,” says Cullen. “Levels measured now and predicted at their peak are unlikely to represent a significant health risk to the marine ecosystem or public health in BC.”
InFORM is funded by the Marine Environmental Observation Prediction and Response Network. For more information, visit fukushimainform.ca
http://www.uvic.ca/home/about/campus-news/2017+a-minute-trace-of-fukushima-radiation-detected+ring
Fukushima radiation is reaching North America, but the water is still safe
New research has found that radiation from the 2011 Fukushima nuclear accident in Japan has reached more sites in the waters off the coast of North America.
The Woods Hole Oceanographic Institution has found the highest level of contamination at a monitoring site about 1,600 miles west of San Francisco, with the sample returned as being 50 per cent higher than other samples.
However the level of radiation is still 500 times lower than the U.S. government safety limit for drinking water. There is also no concern for boating or swimming within the Pacific Ocean.
On March 11, 2011, a magnitude-9 earthquake struck off the coast of Japan, triggering a tsunami, killing more than 10,000 people and leaving hundreds of thousands homeless.
The massive earthquake also damaged the Fukushima Dai-ichi nuclear power plant, causing three cooling systems to fail which resulted in partial meltdowns of some fuel rods. Contamination leaked out of the plant. That contamination has been carried along currents in the Pacific Ocean.
In 2012, Fukushima radiation was first detected 1,500 km off the coast of British Columbia.
Though the contamination is of concern, the levels are still eight to 10 fold less than when nuclear weapons were being tested in 1960s. And, according to Fukushima InFORM, a Canadian-based monitoring organization, the levels do not pose a risk to public health or the ecosystem.
from Dr. Dulai in Hawaii, Fish Radiation Levels https://www.youtube.com/watch?v=WUQhpd0l8nY
“GREAT PACIFIC GENOCIDE”
source : http://www.cbr.washington.edu/dart postignoranceproject
source : http://www.cbr.washington.edu/dart postignoranceproject
Pacific Science – A Quarterly Devoted to the Biological and Physical Science of the Pacific Region
In the Wake of Fukushima: Radiocesium Inventories of Selected North Pacific Fish
By Hannah R. Azouz and Henrietta Dulai*
Dec 2016
Abstract
Thirteen commonly consumed types of fish caught in the North Pacific and locally available in Hawaii were analyzed using gamma spectroscopy to measure Fukushima-derived and historic 134Cs and 137Cs isotopes. All fish samples had detectable 137Cs above 95% Confidence Intervals. Three out of the thirteen samples had 134Cs, an isotope indicative of Fukushima releases, detected above 95% Confidence Intervals. The highest 134Cs and 137Cs concentration in the examined species was in ahi tuna carrying 0.10±0.04 Bq/kg and 0.62±0.05 Bq/kg, respectively. Other samples with 134Cs activities found above their 2-sigma uncertainty were albacore tuna and swordfish. Historic and Fukushima-derived contributions were evaluated and in several samples the Fukushima-derived radiocesium dominated the total radiocesium inventory with up to 61% contribution. All activities were below derived intervention limits of 1200 Bq/kg and the doses to humans from consuming the fish attributable to radiocesium were 0.02-0.2 Sv, in comparison to 6-20 Sv contributed by the natural 40K present in the same fish.
*Corresponding Author E-mail: [email protected]
Alberta student’s science project finds high radiation levels in grocery-store seafood
By: Robson Fletcher Metro, Metro Published on Mon Mar 24 2014
Alberta high-school student Bronwyn Delacruz loves sushi, but became concerned last summer after learning how little food inspection actually takes place on some of its key ingredients.
The Grade 10 student from Grande Prairie said she was shocked to discover that, in the wake of the 2011 Fukushima nuclear disaster in Japan, the Canadian Food Inspection Agency (CFIA) stopped testing imported foods for radiation in 2012.
So, she decided to carry out her own tests.
Armed with a $600 Geiger counter bought by her dad, Delacruz studied a variety of seafoods – particularly seaweeds – as part of an award-winning science project that she will take to a national fair next month.
“Some of the kelp that I found was higher than what the International Atomic Energy Agency sets as radioactive contamination, which is 1,450 counts over a 10-minute period,” she said. “Some of my samples came up as 1,700 or 1,800.”
Delacruz said the samples that “lit up” the most were products from China that she bought in local grocery stores.
Her results caught the attention of judges at the Peace River Regional Science Fair, who moved her project along to the Canada-Wide Science Fair in Windsor, Ont., in May.
Delacruz also hopes to catch the attention of lawmakers in Ottawa with a petition urging the federal government to do more radiation testing on food.
The CFIA states online that it “continues to monitor events in Japan” but has no immediate plans to resume regular radiation testing, noting “Japanese controls on the sale of contaminated product remain intact.”
The agency did extensive testing on a variety of foods for a year and a half after the nuclear disaster in Japan but found no cause for concern at that time.
“More than 200 food samples were tested and all were found to be below Health Canada’s actionable levels for radioactivity,” the CFIA states in a February 2014 posting on its website. “As such, enhanced import controls have been lifted and no additional testing is planned.”
Published on Dec 22, 2016
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