Readings of Environmental Radiation Monitoring at Schools, Etc. in Fukushima Prefecture (Preliminary Report)
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Readings of Environmental Radiation Monitoring at Schools, etc. in Fukushima Prefecture (Preliminary Report) March 23, 2012 Local Nuclear Emergency Response Headquarters (Radioactivity Team) Disaster Provision Main Office of Fukushima Pref. (Nuclear Power Team) 1. Scheduled monitoring period Monday, March 12 – Friday, March 30, 2012 2. Target facilities Number of target Number for this report facilities (Those monitored on March 15) 1,766 142 * The results of the monitoring will be released sequentially from those for facilities whose measurement results are organized and made available. 3. Monitoring results (preliminary report) Survey conducted on March 15 Measurement results Monitoring Maximum value (μSv/h) Minimum value (μSv/h) (Sep. 8 – Oct. points 14) (μSv/h) 0.09 Aizuwakamatsu City Okuma Town Kindergarten Aizuwakamatsu Branch (Aizuwakamatsu Municipal Kawahigashi Dai-ichi Kindergarten) (Aizuwakamatsu City) 1.1 Kitakata Municipal Dai-ni Kindergarten 0.06 Koriyama Municipal Kikuta Elementary Kitakata Municipal Keitoku Main gate to School Kindergarten 1.5 (Koriyama City) (Kitakata City) Sakura Nursery Aizumisato Town Hongo Dai-ni Elementary School Aizumisato Town Takada Junior High School (Aizumisato Town) 1.6 0.07 0.06 Yakult Koriyama Sales Co., Ltd. Saikon Entrance Niitsuru Nursery to Center Nursery (Aizumisato Town) 1.3 (Koriyama City) * The highest and lowest values were selected from the average of the values measured at the height of 50cm above the ground for nurseries, kindergartens and elementary schools, at the height of 1m for junior high schools, senior high schools and specialized training colleges, and at the height of 50cm and 1m for special support schools and miscellaneous schools. Regarding monitoring locations where air dose rates were measured at multiple points, the highest and lowest values were selected from the average of values for all those points. Measurement results Monitoring Maximum value (μSv/h) Minimum value (μSv/h) (Sep. 8 – Oct. points 14) (μSv/h) 0.05 0.91 0.07 Schoolyard, Niitsuru Nursery Nursery Chiisana Spoon to playground, etc. Aizumisato Town Niitsuru Kindergarten (Fukushima City) 2.0 (Aizumisato Town) * The highest and lowest values were selected from the average of the values measured at the height of 50cm above the ground for nurseries, kindergartens and elementary schools, at the height of 1m for junior high schools, senior high schools and specialized training colleges, and at the height of 50cm and 1m for special support schools and miscellaneous schools. Regarding monitoring locations where air dose rates were measured at multiple points, the highest and lowest values were selected from the average of values for all those points. Monitoring results until March 15 (preliminary report) Monitoring points March 12-13 March 14 March 15 Total Main gate 231 138 140 509 Entrance 234 139 142 515 Schoolyard, 227 137 138 502 playground, etc. Total number of 234 139 142 515 facilities monitored *The figures written above exclude those for facilities without each monitoring point (main gate, entrance, schoolyard, playground, etc.) among the number of facilities monitored. [Measurement Method] - Air dose rates were measured at the following locations: one location at the main gate of schools, etc. (on the premises), one location at an entrance (in the case of more than one entrance, the one highly used by lower grade children and students), and five locations at the center and four corners of schoolyards and playgrounds, etc. - Monitoring results are the average values of five readings at each monitoring location. (Monitoring results at schoolyards and playgrounds, etc. are the overall averages of the average values at five locations.) (Inquiries: Monitoring Team, Radioactivity Team Tel: 024-521-1917) Readings of Environmental Radiation Monitoring at Schools, etc. in Fukushima Prefecture (Preliminary Report for those monitored on March 15) March 23, 2012 Local Nuclear Emergency Response Headquarters (Radioactivity Team) Disaster Provision Main Office of Fukushima Pref. (Nuclear Power ○・・・Topsoil removal work has been conducted (As of the monitoring date) Measuring height Air dose rate (μSv/h) Main gate Entrance Average value of five locations (four corners and center) in schoolyards and playgrounds Previous Status of Monitoring 50cm monitoring topsoil No. Municipality Category Name of schools, etc. Previous Previous Average Remarks date or results removal Fallen monitoring Fallen monitoring ① Fallen Fallen Fallen Fallen Fallen value snow results snow results snow ② snow ③ snow ④ snow ⑤ snow (average work 1m Center (cm) (average (cm) (average (cm) (cm) (cm) (cm) (cm) value) value) value) 50cm 0.28 - 0.40 0.15 - 0.23 0.20 - 0.21 - 0.18 - 0.20 - 0.21 - 0.20 0.26 Fukushima 1 Nursery Iino Ohisama Nursery 3/15 ○ City 1m - - 0.20 -----0.20 0.24 50cm 0.45 - 0.49 0.23 - 0.30 0.25 - 0.26 - 0.27 - 0.26 - 0.23 - 0.25 0.32 Fukushima 2 Nursery Iino Aozora Nursery 3/15 ○ City 1m - - 0.25 -----0.25 0.29 50cm 0.41 - 0.60 0.32 - 0.25 0.22 - 0.28 - 0.28 - 0.21 - 0.21 - 0.24 0.22 Fukushima 3 Nursery Sakuranbo Nursery 3/15 ○ City 1m - - 0.20 -----0.20 0.20 Fukushima 4 Nursery Seibu Saniku Nursery 3/15 50cm 0.33 - 0.34 0.25 - 0.17 ----- [Schoolyard, playground, etc.] No playground City 50cm 0.29 - 0.29 0.21 - 0.09 0.18 - 0.24 - 0.25 - 0.23 - 0.26 - 0.23 0.27 Fukushima 5 Nursery Fukushima Rinpokan Nursery 3/15 ○ City 1m - - 0.19 -----0.19 0.23 50cm 0.59 - 0.63 0.17 - 0.17 0.20 - 0.19 - 0.22 - 0.24 - 0.19 - 0.21 0.22 Fukushima 6 Nursery Sayuri Kodomo-en 3/15 ○ City 1m - - 0.18 -----0.18 0.20 50cm 0.41 - 0.65 0.23 - 0.26 0.23 - 0.26 - 0.29 - 0.34 - 0.32 - 0.29 0.38 Fukushima 7 Nursery Sakura Nursery 3/15 ○ City 1m - - 0.24 -----0.24 0.34 50cm 0.37 - 0.59 0.33 - 0.35 0.28 - 0.29 - 0.30 - 0.30 - 0.33 - 0.30 0.37 Fukushima 8 Nursery Watari Nursery 3/15 ○ City 1m - - 0.29 -----0.29 0.34 50cm 0.21 - 0.27 0.16 - 0.23 0.17 - 0.19 - 0.20 - 0.19 - 0.17 - 0.18 0.24 Fukushima 9 Nursery Wakakusa Nursery 3/15 ○ City 1m - - 0.19 -----0.19 0.23 50cm 0.41 - 0.58 0.39 - 0.46 0.88 - 0.91 - 0.95 - 0.86 - 0.93 - 0.91 0.98 Fukushima Nursery 10 Nursery 3/15 City Chiisana Spoon 1m - - 0.82 -----0.82 0.94 50cm 0.36 - 0.54 0.66 - 0.47 0.43 - 0.46 - 0.52 - 0.54 - 0.47 - 0.48 0.51 Fukushima Sakuragaoka Hospital in-hospital 11 Nursery 3/15 ○ City Nursery 1m - - 0.43 -----0.43 0.47 50cm 0.29 - 0.37 0.49 - 0.27 0.22 - 0.21 - 0.21 - 0.26 - 0.22 - 0.22 0.28 Fukushima 12 Nursery Kamata Nursery 3/15 ○ City 1m - - 0.22 -----0.22 0.24 50cm 0.30 - 0.43 0.24 - 0.34 0.21 - 0.23 - 0.31 - 0.25 - 0.29 - 0.26 0.30 Fukushima 13 Nursery Baby Home Yurikago 3/15 ○ City 1m - - 0.22 -----0.22 0.26 Fukushima Prefectural 50cm 0.39 - 0.43 - 0.56 0.35 - 0.38 - 0.36 - 0.45 - 0.34 - 0.38 2.0 Fukushima 14 Nursery Government Nursery Keyaki-no- 3/15 ○ City ko 1m - - 0.35 -----0.35 1.6 50cm 0.54 - 0.51 0.49 - 0.28 0.42 - 0.39 - 0.40 - 0.46 - 0.37 - 0.41 0.49 Fukushima Yakult Fukushima Sales Co., Ltd., 15 Nursery 3/15 [Schoolyard, playground, etc.] Parking lot City Seibu-center Biffy Nursery 1m - - 0.37 -----0.37 0.44 1/9 Readings of Environmental Radiation Monitoring at Schools, etc. in Fukushima Prefecture (Preliminary Report for those monitored on March 15) March 23, 2012 Local Nuclear Emergency Response Headquarters (Radioactivity Team) Disaster Provision Main Office of Fukushima Pref. (Nuclear Power ○・・・Topsoil removal work has been conducted (As of the monitoring date) Measuring height Air dose rate (μSv/h) Main gate Entrance Average value of five locations (four corners and center) in schoolyards and playgrounds Previous Status of Monitoring 50cm monitoring topsoil No. Municipality Category Name of schools, etc. Previous Previous Average Remarks date or results removal Fallen monitoring Fallen monitoring ① Fallen Fallen Fallen Fallen Fallen value snow results snow results snow ② snow ③ snow ④ snow ⑤ snow (average work 1m Center (cm) (average (cm) (average (cm) (cm) (cm) (cm) (cm) value) value) value) 50cm 0.44 - 0.57 0.29 - 0.32 0.32 - 0.42 - 0.26 - 0.26 - 0.41 - 0.33 0.43 Fukushima 16 Nursery Nursery Kureyon 3/15 ○ City 1m - - 0.32 -----0.32 0.43 50cm 0.65 - 0.93 0.49 - 0.40 0.55 - 0.53 - 0.50 - 0.50 - 0.54 - 0.52 0.67 Fukushima Ohara General Hospital Angel 17 Nursery 3/15 ○ City Nursery 1m - - 0.53 -----0.53 0.66 50cm 0.49 - 0.55 0.22 - 0.23 0.26 5 0.29 5 0.48 5 0.27 5 0.26 5 0.31 0.38 Fukushima 18 Nursery Tatsugoyama Seasonal Nursery 3/15 ○ City 1m - - 0.26 -----0.26 0.35 50cm 0.28 - 0.32 0.17 - 0.18 0.23 - 0.21 - 0.21 - 0.26 - 0.20 - 0.22 0.25 Fukushima Fukushima Municipal 19 Kindergarten 3/15 ○ City Iino Kindergarten 1m - - 0.24 -----0.24 0.25 50cm 0.27 - 0.26 0.17 - 0.17 0.14 - 0.19 - 0.20 - 0.21 - 0.19 - 0.19 0.22 Fukushima Fukushima Wakaba [Schoolyard, playground, etc.] Playground in the south side of the 20 Kindergarten 3/15 ○ City Kindergarten kindergarten building 1m - - 0.14 -----0.14 0.17 50cm 0.77 - 0.98 0.16 - 0.18 0.17 - 0.22 - 0.22 - 0.19 - 0.21 - 0.20 0.24 Fukushima Elementary Fukushima Municipal 21 3/15 ○ City school Iino Elementary School 1m - - 0.18 -----0.18 0.20 50cm 0.55 - 0.55 0.14 - 0.18 0.21 - 0.26 - 0.25 - 0.25 - 0.30 - 0.25 0.32 Fukushima Elementary Fukushima Municipal 22 3/15 ○ City school Aoki Elementary School 1m - - 0.23 -----0.23 0.25 50cm 0.31 - 0.37 0.26 - 0.27 0.24 - 0.27 - 0.26 - 0.29 - 0.26 - 0.26 0.32 Fukushima Elementary Fukushima Municipal 23 3/15 ○ City school Okubo Elementary School 1m - - 0.24 -----0.24 0.29 50cm 0.34 - 0.47 0.36 - 0.26 0.16 - 0.19 - 0.26 - 0.24 - 0.26 - 0.22 0.27 Fukushima Elementary Fukushima Municipal