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Iodine | Home Home Search Primary Menu Skip to content About InFORMal E-News InFORM Scientists InFORMal Scientists InFORMal Science Photos Partners InFORM Monitoring InFORMal E-News Methods Citizen Science Gamma Spectroscopy Marine Biota Monitoring Methods for Other Radionuclides (WHOI CMER) Biota Oceanic Coastal Archived Results Radiation Research By Location Japan Fukushima NW Pacific N Pacific NE Pacific British Columbia North America Chernobyl By Sample Type Algae Atmospheric Human Marine Life Model Plants & Fungi Seawater Sediment By Isotope Cesium Iodine Plutonium Polonium Potassium Strontium Tellurium Uranium Xenon Presentations & Media Presentations Media Interviews Resources InFORMing Research FAQ Radiological Monitoring at the Radiation Protection Bureau of Health Canada IAEA Inter-laboratory Comparison Report 2014-2016 Official IAEA Report on the Fukushima DaiichiWreckingUNSCEAR 2017 Report on Levels and Effects of Radiation Exposure Methods for Other Radionuclides (WHOI CMER) Safety lessons learned from Fukushima: Part 1 – National Acadamies Report Safety lessons learned from Fukushima: Part 2 – National Acadamies Report Health Canada Observations Post-Disaster Canadian Radiological Monitoring Network Naturally Occurring Radioactive Materials Guidelines Search for: Category Archives: Iodine Cesium, Iodine, N Pacific, Plutonium, Strontium North Korean Atmospheric Thermonuclear Test: How much contamination can we expect? September 27, 2017 fukushimainform Leave a scuttlebutt By Jay T. Cullen The purpose of this post is to self-mastery a thought experiment to victorious at (I hope) a useful estimate of how much radioactive contamination might occur if North Korea detonates a thermonuclear weapon in the lower undercurrent over the North Pacific Ocean.  There are a significant number of unknowns, not the least of which is the fundamental uncertainty as to whether the rogue nation has successfully tested a Teller-Ulam style thermonuclear weapon or not.  I explain my assumptions and compare the resulting global release of radioisotopes that represent a radiological health snooping from such a test to the amounts recently released from the Fukushima Daiichi Nuclear Power Plant (FDNPP) disaster, the Chernobyl disaster and volume atmospheric weapons testing in the last century. I invite comments and an written of the tideway used here and how it might be improved.Protractreading North Korean Atmospheric Thermonuclear Test: How much contamination can we expect? → Advertisements ChernobylFukushimaNorth KoreaWeapons Testing Cesium, Iodine, Marine Life, NE Pacific, Peer Reviewed Updated – No Fukushima radiation found in 2016 Alaskan fish January 13, 2017 dr.jonathan.kellogg 4 Comments No Fukushima contamination was found in any of the 14 fish Alaskan fish samples that were placid between February and September 2016, equal to the Alaska Department of Environmental Conservation. The results, released on the Alaksa DEC website, show that the sampled herring, cod, and pollock, halibut, and salmon did not have any detectable levels of 131I, 134Cs (the Fukushima fingerprint radionuclide with a half-life of ~2 years) or 137Cs in the tissues.  These samples were from wideness Alaskan waters from Southeast to Bristol Bay and the Aleutian archipelago and the Bering Sea. Results from 2016 are similar to their results from 2015 and are part of the network of institutions monitoring for Fukushima radiation in marine waters and seafoods. The stereotype minimum detectable concentrations for these Alaskan samples on this gamma spectrometer were 63.7 Bq kg-1, 2.1 Bq kg-1, and 1.9 Bq kg-1 respectively for 131I 137Cs,  and 134Cs. While InFORM does not unriddle for 131I, those detection thresholds for cesium are 2-3 times higher than are typical for our biotic monitoring program. This may be due to either a smaller sample size or a shorter time in the gamma spectrometer for the Alaskan samples, but the result remains that levels are well unelevated those where intervention is needed (intervention levels for 131I = 170 Bq kg-1 and 134Cs + 137Cs = 1200 Bq kg-1 equal to the US Food and Drug Administration). InFORM monitoring in 2016 found 9 salmon (out of 123) from BC and Yukon rivers with detectable levels (where the minimum detectable concentrations were less than 1 Bq kg-1) of  137Cs without a six hour detector run. These nine samples are currently stuff freeze-dried for an extended, 2 week long, detection run. Results from this spare wringer are expected probably mid-late spring 2017. An interesting speciality of these 2016 Alaskan samples is that this was the first time a field-deployable gamma spectrometer has been sent by the US Food and Drug Administration to a site for local analyses of samples. Data from the spectrometer were then electronically sent to FDA scientists for analysis. The thought is that this model could be used in the event of nuclear emergency to indulge for increasingly rapid analyses of environmental samples. Alaska DEC will protract monitoring fish samples for Fukushima radiation for at least 2017 and possibly beyond. 131-I134-Cs137-CsAlaskacodFishFukushimaHalibutherringpollockSalmon Cesium, Iodine, Marine Life, NE Pacific, Peer Reviewed No Fukushima radiation found in 2016 Alaskan fish August 11, 2016 dr.jonathan.kellogg 2 Comments No Fukushima contamination was found in any of the 7 fish Alaskan fish samples that were placid during February and March of 2016. The results, released on the Department of Environmental Conservation website, show that the herring, cod, and pollock sampled did not have any detectable levels of 131I, 134Cs (the Fukushima fingerprint radionuclide with a half-life of ~2 years) or 137Cs in the tissues.  These samples follow on their similar results from 2015 and are part of the network of institutions monitoring for Fukushima radiation in marine waters and seafoods.Protractreading No Fukushima radiation found in 2016 Alaskan fish → 131-I134-Cs137-CsAlaskacodFishFukushimaherringpollock British Columbia, Cesium, Iodine, North America, Peer Reviewed, Xenon The Impact of the Fukushima on Canada: Health Canada Reports December 21, 2015 fukushimainform 4 Comments By Jay T. Cullen The purpose of this post is to bring to the sustentation of interested readers a recently released report that provides comprehensive worth of the environmental radiation surveillance activities conducted by Health Canada in the months immediately pursuit the Fukushima accident.  This report includes an towage of the overall levels of contamination and resulting impacts to the health of Canadians.  Contrary to irresponsible and inaccurate rumors that Health Canada suspended monitoring in the wake of the triple meltdowns, monitoring activities were, in fact, enhanced and expanded to increase the spritz of information and modernize understanding of the implications of the contamination for environmental and public health.  While there was no discernible transpiration in total preliminaries radiation a distributed system of monitoring stations and the rapid hodgepodge and measurement of environmental samples tracked the trace levels of atmospheric contamination wideness the country. The report concludes: inobtrusive estimates of the maximum individual dose from Fukushima was less than 0.0003 (1/ 3,000) of the typical yearly dose for a Canadian owing to natural preliminaries sources the spare dose resulting from Fukushima derived contamination is far less than the normal variation in dose from place to place in Canada there are likely to be no health impacts related to this small, incremental doseProtractreading The Impact of the Fukushima on Canada: Health Canada Reports → 2011Background RadiationChernobylEnvironmental MonitoringFukushima ResponseHealth CanadaSievertWeapons Testing Cesium, Iodine, Marine Life, North America No Fukushima Contamination in 2015 Alaskan Fish December 1, 2015 dr.jonathan.kellogg 1ScuttlebuttThe Seattle Times is reporting no contamination in any of the 24 Alaskan salmon, halibut, pollock,  cod, or sablefish that were sampled from 4 different regions in 2015 for the Alaskan Department of Environmental Conservation. Read the full article. See the results from the Department of Environmental Conservation. Presently, InFORM members at Health Canada are running the ~160 salmon samples from over 15 variegated major BC fisheries placid in 2015 and we will report the results as soon as they wilt available. 131-I134-Cs137-CsAlaskaBiotic MonitoringFish Posts navigation 1 2 3 Next → View Fukushima-InFORM-257383817784613’s profile on FacebookView @FukushimaInFORM’s profile on TwitterView UCRqxVIr3s5Yc-djXahyBunA’s profile on YouTube Recent Posts Voyage Reflections Friday the 13th was the Luckiest Day Ever Into the Storm Advertisements Funded by Create a self-ruling website or blog at WordPress.com. Post to Cancel Privacy & Cookies: This site uses cookies. By standing to use this website, you stipulate to their use. To find out more, including how to tenancy cookies, see here: Cookie Policy