radioactive cesium monitoring

POTENTIAL FOR HUMAN EXPOSURE

Since the production and use of cesium compounds are limited, and since the natural concentration of cesium in the earth's crust is low, stable 133 Cs is not often monitored or detected in the environment. Of much greater …

Oceanic dispersion of Fukushima‐derived radioactive cesium…

The radioactive cesium movement related to mode water is important in terms of the circulation of cesium into the ocean interior. Some new technologies and techniques concerning emergency monitoring of radioactivity in the ocean environment are also reported, the effectiveness of which has been demonstrated by use in relation to the …

Direct comparison of bacterial communities in soils

We herein investigated bacterial communities in the radioactive cesium (Cs)-contaminated and non-contaminated soils by high-throughput sequencing. The uppermost and ectorhizosphere soil samples were collected from the base of mugwort grown in the same soil type with the same soil-use history in order to compare the …

‪Hideki Tsuji‬

Development of rapid monitoring for dissolved radioactive cesium with a cartridge type of Prussian blue-impregnated nonwoven fabric. T Yasutaka, H Tsuji, Y Kondo, Y Suzuki. Bunseki Kagaku (Japan Analyst) 62 (6), 499-506, 2013. 11: 2013: Radiocesium balance and its behavior in dam on Uda river and Ota river in Fukushima Prefecture.

A Reliable Hybrid Adsorbent for Efficient Radioactive Cesium

Cesium (Cs) removal from nuclear liquid wastewater has become an emerging issue for safeguarding public health after the accident at the Fukushima Daiichi Nuclear Power Plant. A novel macrocyclic ...

Radioactive Cesium (Fukushima Prefecture) [MOE]

The above map shows radioactive material concentration distribution in farmland soil based on the results of the measurement conducted at 307 locations in Fukushima Prefecture in FY2019 (values are converted into those as of November 2, 2019). In this farmland soil survey, soil to a depth of approx. 15 cm from the ground surface or a depth …

Monitoring of radioactive cesium in wild boars …

Monitoring of radioactive cesium in wild boars captured inside the difficult-to-return zone in Fukushima Prefecture over a 5-year period Sci Rep . 2022 Apr 19;12(1):5667. doi: 10.1038/s41598-022-08444-1.

Radionuclide Basics: Cesium-137 | US EPA

Last updated on February 5, 2024. The most common radioactive form of cesium (chemical symbol Cs) is Cesium-137. Cesium-137 is produced by nuclear fission for use in medical devices and gauges and is one of the byproducts of nuclear fission in nuclear …

Monitoring of radioactive cesium in wild boars captured …

Following the Fukushima Daiichi Nuclear Power Plant accident in 2011, tissue samples from wild boar (Sus scrofa) outside the evacuation zone (difficult-to-return zone, DRZ) tended to show high activity concentrations of cesium-137 (137 Cs).Understanding the 137 Cs dynamics of wild boar populations inside the DRZ is …

Foods | Free Full-Text | Estimation of Effect of …

The radiation exposure dose of 10,000 virtual persons was calculated. For the monitoring sample in which radioactive cesium was not detected (ND), the radioactivity concentration was given based on …

Evaluation of radioactive cesium impact from

Evaluation of radioactive cesium impact from atmospheric deposition and direct release fluxes into the North Pacific from the Fukushima Daiichi nuclear power plant. ... 2015), and airborne monitoring has indicated that the total deposition of 137 Cs on the land surface of Japan was about 2.4 ...

Monitoring dissolved radioactive cesium in Abukuma River …

By monitoring the river waters since September 2012, it was estimated that the levels of dissolved radioactive Cs were less than 0.128 Bq/L and those of total radioactive Cs were less than 0.274 Bq/L in the main stream and branches of Abukuma River in the low suspended solid condition.

The aerial radiation monitoring in Japan after the …

The ambient dose-rate and the deposition of radioactive cesium was measured by using helicopters in the whole area of Japan to investigate the influence of the radioactivity that discharged into the atmosphere due to the disaster of the Fukushima Daiichi NPP (Nuclear Power Plant), Tokyo Electric Power Company (TEPCO), occurred …

Estimation of Effect of Radiation Dose Reduction for Internal …

The radiation exposure dose of 10,000 virtual persons was calculated. For the monitoring sample in which radioactive cesium was not detected (ND), the radioactivity concentration was given based on the ratio of the ND samples in each category to calculate the committed effective dose by referring to literature [12,14,32]. When the …

Readings of the Monitoring of Radioactive Cesium in …

2. Samples wherein radioactive cesium was detected all contained suspended solids. As a result of the second measurement of those samples after filtering, radioactive cesium was not detected in any of them. 3. Concentration of radioactive cesium is the total of Cs-134 and Cs-137 concentrations. 4. Monitoring points were as …

Monitoring of radioactive cesium in wild boars …

Published: 19 April 2022. Monitoring of radioactive cesium in wild boars captured inside the difficult-to-return zone in Fukushima Prefecture over a 5-year period. Rie Saito, Reiko Kumada,...

Radionuclide Basics: Cesium-137 | US EPA

Radionuclide Basics: Cesium-137. Cesium (chemical symbol Cs) is a soft, flexible, silvery-white metal that becomes liquid near room temperature, but easily bonds with chlorides to create a crystalline powder. The most common radioactive form of cesium is Cs-137. Cesium-137 is produced by nuclear. for use in medical devices and …

Radioactive material from Fukushima disaster turns up in …

October 2, 2017 at 3:30 pm. Six years after the Fukushima nuclear reactor disaster in Japan, radioactive material is leaching into the Pacific Ocean from an unexpected place. Some of the highest ...

Medical Therapy of Patients Contaminated with …

If radioactive cesium is a significant pollutant, Prussian blue is the approved antidote for internal detoxification. Upon risks of radioiodine exposure, prophylactic or immediate treatment with potassium iodide tablets is recommended.

(PDF) Monitoring of Radioactive Cesium in Kawasaki …

In this work, based on the monitoring value of the air-dose rate and the radioactive cesium concentration in Tokyo City University Atomic Energy Research Laboratory, we focused on the temporal ...

IAEA Affirms Japan's Fukushima-Related Radioactivity Monitoring

In 2011, its weekly inspections recorded nearly 700 samples of fishery products with a radioactive cesium concentration of over 100 Bq/kg compared to 1,079 samples with amounts under that limit.

Radioactive Material Monitoring in the Water Environment

Radioactive Material Monitoring in the Water Environment(Lake and Reservoir Sediments) Radioactive cesium concentrations in lake and reservoir sediments were measured in FY2020 as in the previous year. A total of 598 samples, including 369 samples collected in Fukushima Prefecture and others collected in Miyagi, Ibaraki, …

Radiocesium concentrations in wild boars captured within …

Monitoring of radioactive cesium in wild boars captured inside the difficult-to-return zone in Fukushima Prefecture over a 5-year period Article Open access 19 April 2022 Rie Saito, Reiko Kumada, …

(PDF) Distribution of Dose-Rates and Deposition of Radioactive Cesium …

PDF | On Jan 1, 2021, Tatsuo Torii and others published Distribution of Dose-Rates and Deposition of Radioactive Cesium by the Airborne Monitoring Surveys | Find, read and cite all the research ...

Radioactive Cesium (Fukushima Prefecture) [MOE]

The above map shows estimated radioactive cesium concentrations in farmland soil based on the results of the measurement conducted at 329 locations in Fukushima Prefecture in FY2020 (values are converted into those as of October 29, 2020). In this farmland soil survey, soil to a depth of approx. 15 cm from the ground surface or a …

Atmospheric Transport and Deposition of Fukushima …

Although roads and other infrastructure beyond the site had also been damaged, the Fukushima Prefecture began emergency radiation monitoring within a 10-km radius on March 12. From approximately 8–12 am on March 12, radioactive iodine and cesium were measured in airborne dust collected from the towns of Okuma and Namie, …

Distribution of radioactive cesium measured by aerial radiation monitoring

The Fukushima nuclear accident led to high atmospheric releases and deposition of volatile fission products in northeastern Japan. The main gamma emitters that were deposited onto the ground surfaces…. Expand. 2. PDF. Semantic Scholar extracted view of "Distribution of radioactive cesium measured by aerial radiation monitoring" …

Radioactive Material Monitoring in the Water Environment

Radioactive cesium concentrations in sediments in coastal areas were measured in FY2020 as in the previous year. A total of 210 sediment samples collected in coastal areas, including 120 samples collected in Fukushima Prefecture and others collected in Iwate, Miyagi, Ibaraki, Chiba Prefectures and the Tokyo Metropolis, were …

Radioactivity in the Ocean: Diluted, But Far from …

A 1999 study found that seals and porpoises in the Irish Sea concentrated radioactive cesium by a factor of 300 relative to its concentration in seawater, and a factor of 3 to 4 compared to the fish …

Development and deployment of an underway radioactive cesium monitor

A custom radiation monitoring system was developed by Oregon State University at the request of the Woods Hole Oceanographic Institute to measure radioactive cesium contaminants in the ocean waters near Fukushima Dai-ichi Nuclear Power Plant. The system was to be used on board the R/V Ka'imikai-O-Ka …