Oral presentation

[1H01-04] Dosimetry 1

Wed. Mar 20, 2019 10:00 AM - 11:10 AM Room H (Common Education Bildg. 2 2F No.27)

Chair:Takahashi Fumiaki(JAEA)

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10:00 AM - 10:15 AM

[1H01] Estimation of Leakage Dose around Therapy Facilities using Gantry Type Linac by Monte Carlo Method (4)

*Yoshihiro Ogawa^1,3, Kazuyuki Kobayashi² (1. Kindai Univesity, 2. Accuray Japan K.K., 3. HATC Ltd.)

10:15 AM - 10:30 AM

[1H02] Doso evaluation technology study using PVA-KI gel dosimeter

*Ryu Shibaoka¹, Yutaro Aoki¹, Glenn Harvel², Mitsumasa Taguchi³, Naotsugu Nagasawa³, Masanori Hatashita⁴, Kyo Kume⁴, Toshiharu Sakura⁵, Takeyoshi Sunagawa¹ (1. FUKUI Tec of Univ., 2. Univ of Ontario Inst of Tec., 3. Takasaki Advanced Radiation Research Inst., 4. The Wakasa wan Energy Research Center , 5. NUCLEAR TECHNOLOGY Co., Ltd.)

10:30 AM - 10:45 AM

[1H03] Total reflection X-ray fluorescence analysis of acid elution solution of uranium-contaminated debris

(1) Screening method by portable device

*Yukie Izumoto¹, Tsugufumi Matsuyama^1,2, Kota Ishii^1,2, Kodai Takamura^1,2, Hiroki Nagai³, Yasuhiro Sakai², Hiroshi Yoshii¹ (1. QST/NIRS, 2. Toho Univ., 3. OURSTEX Corporation)

10:45 AM - 11:00 AM

[1H04] Total reflection X-ray fluorescence analysis of acid elution solution of uranium-contaminated debris

(2) Pretreatment of sample and analysis by desktop device

*Hiroshi Yoshii¹, Yukie Izumoto¹, Tsugufumi Matsuyama^1,2, Kota Ishii^1,2, Yasuhiro Sakai² (1. QST, 2. Toho univ.)

Time reserved for Chair （11:00 AM - 11:10 AM）

Oral presentation

[1H05-07] Dosimetry 2

Wed. Mar 20, 2019 11:10 AM - 12:00 PM Room H (Common Education Bildg. 2 2F No.27)

Chair:Hirokazu Miyatake(MRI)

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11:10 AM - 11:25 AM

[1H05] Method for estimating of release rate of radionuclides in nuclear accident from radiation data on the sea

*Shusuke Umekawa¹, Ryota Adachi¹, Masato Kanasaki¹, Mizuo Kajino², Keiji Oda¹ (1. Graduate School of Maritime Sciences, Kobe University, 2. Meteorological research Institute)

11:25 AM - 11:40 AM

[1H06] Speedy measurement of tritium in seawater

*Shunta Homma¹, Genta Kikuchi¹, Yuji Torikai¹ (1. Ibaraki Univ.)

11:40 AM - 11:55 AM

[1H07] Evaluation of a Gamma-ray Flash coinciding with a Lightning Discharge during Winter Thunderstorms

*Yuuki Wada^1,2, Teruaki Enoto³, Kazuhiro Nakazawa⁴, Yoshihiro Furuta⁵, Takayuki Yuasa, Yoshitaka Nakamura⁶, Takeshi Morimoto⁷, Takahiro Matsumoto¹, Kazuo Makishima^1,2, Harufumi Tsuchiya⁵ (1. Graduate School of Science, The University of Tokyo, 2. RIKEN, 3. Kyoto University, 4. Nagoya University, 5. JAEA, 6. Kobe City College of Technology, 7. Kindai University)

Time reserved for Chair （11:55 AM - 12:00 PM）

Oral presentation

[1H08-12] Environmental Safety Assessment 1

Wed. Mar 20, 2019 2:45 PM - 4:10 PM Room H (Common Education Bildg. 2 2F No.27)

Chair:Yukiko Furuhashi(TEPCO HD)

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2:45 PM - 3:00 PM

[1H08] Performance examination of atmospheric dispersion models using nuclear accident environmental data

(1)Performance for plume2 in the Tokyo Metropolitan Area

*Shinichiro Adachi¹ (1. Nagoya University)

3:00 PM - 3:15 PM

[1H09] Performance examination of atmospheric dispersion models using nuclear accident environmental data

(2) Performance for Plume 4 at the central part of Ibaraki Prefecture

*Hiromi Yamazawa¹, Yousuke Sato¹, Jun Moriizumi¹ (1. Nagoya University)

3:15 PM - 3:30 PM

[1H10] Performance examination of atmospheric dispersion models using nuclear accident environmental data

(3)Discussion on wet deposition process based on sensitivity analysis

*Tomoyuki Mori¹, Yousuke Sato¹, Jun Moriizumi¹, Hiromi Yamazawa¹ (1. Nagoya Univ.)

3:30 PM - 3:45 PM

[1H11] Temporal variation of atmospheric radioactive cesium and the variation trend

Analysis of NRA’s monitoring data

*tomohisa abe¹, Kazuya Yoshimura¹, Yukihisa Sanada¹ (1. Japan Atomic Energy Agency)

Cancelled

3:45 PM - 4:00 PM

[1H12] Analysis for the time variation of the air dose rate in Fukushima prefecture (4)

Creation and evaluation of the time variation map

*Kazuya Matsumoto¹ (1. Fukushima Prefectural Centre for Environmental Creation)

Time reserved for Chair （4:00 PM - 4:10 PM）

Oral presentation

[1H13-16] Environmental Safety Assessment 2

Wed. Mar 20, 2019 4:10 PM - 5:15 PM Room H (Common Education Bildg. 2 2F No.27)

Chair:Hiromi Yamazawa(Nagoya Univ.)

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4:10 PM - 4:25 PM

[1H13] Examination of Estimation Method of External Exposure Dose Considering Time Series Data and Distribution of Air Dose Rate in Prefectures adjacent to Fukushima

*Hirokazu Miyatake¹, Nobuaki Yoshizawa¹, Masaki Kawai¹, Gen Suzuki² (1. Mitsubishi Research Institute, INC. Nuclear Safety Research Division, 2. International University of Health and Welfare Clinic)

4:25 PM - 4:40 PM

[1H14] Temporal integration on the results of the monitoring posts in Fukushima prefecture

*Akiyuki Seki¹, Haruko Murakami Wainwright², Saito Kimiaki ¹, Hiroshi Takemiya¹ (1. Japan Atomic Energy Agency, 2. Lawrence Berkeley National Laboratory)

4:40 PM - 4:55 PM

[1H15] Basic Study of Elemental Iodine Deposition Behavior in PCV

*Yukiko Furuhashi¹, Satoshi Kawaguchi¹, Satoshi Mizuno¹, Masatoshi Sato¹, Takashi Uemura¹, Shuichi Ohmori¹ (1. Tokyo Electric Power Company Holdings, Inc.)

4:55 PM - 5:10 PM

[1H16] Determination of the soil-water distribution coefficient Kd of carrier free radiotellurium

*Takumi Kubota¹, Satoshi Fukutani¹, Kayoko Iwata², Tomoyuki Takahashi^1,2, Sentaro Takahashi¹ (1. Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2. Graduate School of Agriculture, Kyoto University)

Time reserved for Chair （5:10 PM - 5:15 PM）

Oral presentation

[2H01-04] Environmental Radioactivity 1

Thu. Mar 21, 2019 9:45 AM - 10:55 AM Room H (Common Education Bildg. 2 2F No.27)

Chair:Hiroko Yoshida(Tohoku Univ.)

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9:45 AM - 10:00 AM

[2H01] Satellite-Based Mapping of Riverbed Height

*Hiroko Nakamura Miyamura¹, Ayako Iwata¹, Susumu Yamada¹, Masahiko Machida¹ (1. Japan Atomic Energy Agency)

10:00 AM - 10:15 AM

[2H02] Monitorinng results of radioactive Cs in rivers in Fukushima prefecture

(1)Temporal changes in the radioactive Cs concentrations with the different form.

*Hirofumi Yoshita¹, Hirotsugu Arai¹, Keisuke Taniguchi¹, Takayuki Kuramoto^2,1, Kazuki Fujita¹, Yukio Takeuchi¹ (1. Fukushima Prefectural Centre for Environmental Creation, 2. Tokai University)

10:15 AM - 10:30 AM

[2H03] Monitorinng results of radioactive Cs in rivers in Fukushima prefecture

(2)Relation to the properties of Suspended Solids

*Hirotsugu Arai¹, Hirofumi Yoshita¹, Keisuke Taniguchi¹, Takayuki Kuramoto^1,2, Kazuki Fujita¹, Yukio Takeuchi¹ (1. Fukushima Prefectural Centre for Environmental Creation, 2. Tokai University)

10:30 AM - 10:45 AM

[2H04] Estimation of ¹³⁷Cs discharge from river catchments during initial period after Fukushima accident using a tank model

*Kazuyuki Sakuma¹, Mark Zheleznyak², Kenji Nanba² (1. JAEA, 2. Fukushima Univ.)

Time reserved for Chair （10:45 AM - 10:55 AM）

Oral presentation

[2H05-08] Environmental Radioactivity 2

Thu. Mar 21, 2019 10:55 AM - 12:00 PM Room H (Common Education Bildg. 2 2F No.27)

Chair:Yoshihiko Tanimura(JAEA)

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10:55 AM - 11:10 AM

[2H05] Inventory Analysis of Radioactive Cesium inside and around 1F

*Masahiko Machida¹, Susumu Yamada¹, Ayako Iwata¹ (1. JAEA)

11:10 AM - 11:25 AM

[2H06] PHITS Models for Ambient Dose Equivalent Rates in Fukushima’s Radiocesium Contaminated Forests

*Alex Malins¹, Naohiro Imamura², Tadafumi Niizato¹, Minsik Kim¹, Kazuyuki Sakuma¹, Yoshiki Shinomiya², Satoru Miura², Masahiko Machida¹ (1. JAEA, 2. FFPRI)

11:25 AM - 11:40 AM

[2H07] Behavior of radiocesium in mycelium

*Kanko NISHIONO¹, Fuminori SAKAMOTO², Naofumi KOZAI², Hirokuni YAMANISHI¹ (1. KINDAI Univ., 2. JAEA)

11:40 AM - 11:55 AM

[2H08] Remained indoor radiocaesium contamination in residential houses within former evacuation areas near the FDNPP

*Hiroko Yoshida¹, Naohide Shinohara² (1. Tohoku Univ., 2. AIST)

Time reserved for Chair （11:55 AM - 12:00 PM）

Oral presentation

[2H09-14] Eye Lens Dosimetry

Thu. Mar 21, 2019 2:45 PM - 4:25 PM Room H (Common Education Bildg. 2 2F No.27)

Chair:Kentaro Manabe(JAEA)

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2:45 PM - 3:00 PM

[2H09] Preliminary study on evaluation of eye lens equivalent dose in Sr-90 / Y-90 contaminated fields using PHITS : Shielding effect of full-face masks

*Masaharu Yamagashira¹, Norio Tsujimura², Katsuya Hoshi², Takuya Furuta², Yosuke Iwamoto², Tatsuhiko Sato², Sumi Yokoyama¹ (1. Fujita Health University, 2. Japan Atomic Energy Agency)

3:00 PM - 3:15 PM

[2H10] Exposure of the lens of the eye for radiation workers in the nuclear power plants

*Sumi Yokoyama¹, Iwao Ezaki², Hideo Tastuzaki³, Yoshihiko Tanimura⁴, Shuichi Tachiki¹, Shigekazu Hirao⁵, Katsunori Aoki³ (1. Fujita Health University, 2. Chiyoda Technol Corporation, 3. National Institutes for Quantum and Radiological Science and Technology, 4. Japan Atomic Energy Agency, 5. Fukushima University)

3:15 PM - 3:30 PM

[2H11] Study of Eye Lens Dosimetry for Workers at Fukushima Daiichi Nuclear Power Station

(1)Results of field experiments using an anthropomorphic phantom

*Katsuya Hoshi¹, Norio Tsujimura¹, Katsunori Aoki¹, Hiroshi Yoshitomi¹, Yoshihiko Tanimura¹, Sumi Yokoyama² (1. JAEA, 2. FHU)

3:30 PM - 3:45 PM

[2H12] Study of Eye Lens Dosimetry for Workers at Fukushima Daiichi Nuclear Power Station

(2)Relationship of the personal dosimetry results obtained from phantom experiments and workers

*Katsunori Aoki¹, Sumi Yokoyama², Katsuya Hoshi¹, Hiroshi Yoshitomi¹, Yoshihiko Tanimura¹, Norio Tsujimura¹ (1. JAEA, 2. Fujita Health Univ.)

3:45 PM - 4:00 PM

[2H13] Development of a scalable and deformable stylized eye model for radation dose assessment

*Takuya Furuta¹, Daniel El Basha², Siva S. R. Iyer², Camilo M. Correa Alfonso², Wesley E. Bolch² (1. Japan Atomic Energy Agency, 2. University of Florida)

4:00 PM - 4:15 PM

[2H14] Beta-particle fields above 1 MeV for calibrating the dosimeters in eye lens dosimetry

*MASAHIRO KATO KATO¹, Tadahiro Kurosawa¹ (1. AIST)

Time reserved for Chair （4:15 PM - 4:25 PM）

Oral presentation

[2H15-20] Internal Exposure and Radiation Medicine

Thu. Mar 21, 2019 4:25 PM - 6:00 PM Room H (Common Education Bildg. 2 2F No.27)

Chair:Sumi Yokoyama(Fujita Health Univ.)

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4:25 PM - 4:40 PM

[2H15] Development of internal-dosimetry code based on ICRP 2007 Recommendations

(1) Development of Dose Coefficient Calculation Function -Progress in FY2018-

*Fumiaki Takahashi¹, Kaoru Sato¹, Yosuke Shima², Kentaro Manabe¹ (1. Japan Atomic Energy Agency, 2. V.I.C.)

4:40 PM - 4:55 PM

[2H16] Development of internal-dosimetry code based on ICRP 2007 Recommendations

(2) Development of Function for Estimating Intake of Radionuclides -Progress in FY2018-

*Kentaro Manabe¹, Yosuke Shima², Kaoru Sato¹, Fumiaki Takahashi¹ (1. JAEA, 2. VIC)

4:55 PM - 5:10 PM

[2H17] Development of thyroid dose monitoring system using gamma-ray spectrometers

(4) Fabrication and characteristic test of the prototype monitor

*Yoshihiko Tanimura¹, Sho Nishino¹, Hiroshi Yoshitomi¹, Masa Takahashi¹ (1. JAEA)

5:10 PM - 5:25 PM

[2H18] Two-dimensional CT Image Prediction from tracking with optical flow and linear regression for X ray lung radiotherapy

*Michel Pohl¹, Mitsuru Uesaka¹, Kazuyuki Demachi¹, Ritu Bhusal Chhatkuli², Akihiro Haga³ (1. Graduate School of Engineering, The University of Tokyo, 2. National Institute of Radiological Sciences, 3. Graduate School of Biomedical Sciences, Tokushima University)

5:25 PM - 5:40 PM

[2H19] Fundamental Research on DNA Analysis Irradiated by He Ion Microbeam for α-ray Therapy

*Masaya Sakai¹, Tokihiro Ikeda², Akira Yasui³, Natsuko Chiba³, Kento Takemoto¹, Mitsuru Uesaka¹ (1. Tokyo Univ., 2. RIKEN, 3. Tohoku Univ.)

5:40 PM - 5:55 PM

[2H20] Damage to human Cells by tritium

Calculation of cell nucleus dose by PHITS

*Daiki Tsuchida¹, Yuji Torikai¹, Qing-Li Zhao², Miki Syoji², Takashi Kondo² (1. Ibaraki University, 2. Toyama University)

Time reserved for Chair （5:55 PM - 6:00 PM）

Sessions

VII. Health Physics and Environmental Science » Health Physics and Environmental Science

[1H01-04] Dosimetry 1

(1) Screening method by portable device

(2) Pretreatment of sample and analysis by desktop device

[1H05-07] Dosimetry 2

[1H08-12] Environmental Safety Assessment 1

(1)Performance for plume2 in the Tokyo Metropolitan Area

(2) Performance for Plume 4 at the central part of Ibaraki Prefecture

(3)Discussion on wet deposition process based on sensitivity analysis

Analysis of NRA’s monitoring data

Creation and evaluation of the time variation map

[1H13-16] Environmental Safety Assessment 2

[2H01-04] Environmental Radioactivity 1

(1)Temporal changes in the radioactive Cs concentrations with the different form.

(2)Relation to the properties of Suspended Solids

[2H05-08] Environmental Radioactivity 2

[2H09-14] Eye Lens Dosimetry

(1)Results of field experiments using an anthropomorphic phantom

(2)Relationship of the personal dosimetry results obtained from phantom experiments and workers

[2H15-20] Internal Exposure and Radiation Medicine

(1) Development of Dose Coefficient Calculation Function -Progress in FY2018-

(2) Development of Function for Estimating Intake of Radionuclides -Progress in FY2018-

(4) Fabrication and characteristic test of the prototype monitor

Calculation of cell nucleus dose by PHITS

Authentication