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Results (Water) Locations 2018 October Survey

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Results (Water) Locations 2018 October Survey ○ Results (water) Locations 2018 October Survey BOD COD DO Electric conductivity TOC SS Turbidity Cs-134 Cs-137 Sr-90 Latitude Longitude pH Salinity (mg/L) (mg/L) (mg/L) (mS/m) (mg/L) (mg/L) (FNU) (Bq/L) (Bq/L) (Bq/L) A-1(Surface layer) 37.6210° 140.5218° 7.3 1.4 3.3 9.7 19.0 0.10 1.5 3 2.0 N.D.(0.0013) 0.0074 0.0011 A-1(Bottom layer) 37.6210° 140.5218° 7.4 1.3 3.5 9.9 19.1 0.10 1.6 3 2.2 N.D.(0.0013) 0.011 - Abukuma River System A-2 37.5673° 140.3946° 7.7 <0.5 2.3 10.8 10.3 0.06 1.0 3 1.9 0.0015 0.011 - B-2 37.8121° 140.5058° 7.9 0.8 2.8 12.1 17.8 0.10 1.3 4 2.1 N.D.(0.0012) 0.0089 - B-3 37.8182° 140.4679° 8.0 <0.5 2.8 11.1 9.3 0.05 1.2 2 1.3 N.D.(0.0013) 0.0071 - Uda River C-6 37.7764° 140.8877° 7.6 <0.5 1.7 11.3 9.5 0.05 0.8 <1 0.4 N.D.(0.0014) 0.0050 0.00079 Mano River D-4 a 37.7308° 140.9081° 7.2 0.7 2.4 11.1 9.8 0.06 1.1 <1 0.7 N.D.(0.0015) 0.012 0.0012 Niida River E-2 a 37.6640° 140.9447° 7.1 0.6 2.1 11.3 7.4 0.04 0.8 2 1.9 0.0027 0.036 0.0016 Ota River F-1 37.5975° 140.9252° 7.3 <0.5 2.3 10.4 5.4 0.03 1.0 <1 0.7 0.015 0.18 0.0033 G-1(Surface layer) 37.7321° 140.8127° 7.3 0.9 3.8 8.5 6.8 0.04 1.8 2 1.7 0.0021 0.024 - Lake Hayama G-1(Bottom layer) 37.7321° 140.8127° 7.3 1.3 3.7 10.0 7.3 0.04 2.0 2 1.8 0.0026 0.027 0.0013 (Mano Dam) G-4 37.7382° 140.8035° 7.7 0.6 1.9 10.9 7.6 0.04 0.9 1 0.4 N.D.(0.0014) 0.0092 - H-1(Surface layer) 37.6575° 140.1264° 7.2 2.0 3.2 8.5 4.6 0.03 1.7 <1 1.3 N.D.(0.0015) 0.0075 - Lake Akimoto H-1(Bottom layer) 37.6575° 140.1264° 7.0 1.3 3.2 9.6 4.8 0.03 1.6 2 1.8 N.D.(0.0014) 0.0072 0.0014 J-1(Surface layer) 37.4203° 140.1008° 7.3 1.0 1.6 10.1 11.0 0.06 1.0 <1 0.4 N.D.(0.0016) 0.0067 - Lake Inawashiro J-1(Bottom layer) 37.4203° 140.1008° 7.2 1.0 1.8 9.4 11.0 0.06 1.1 <1 0.6 N.D.(0.0015) 0.0071 0.00062 Off the mouth of the Abukuma River K-3(Surface layer) 38.0458° 140.9518° 8.0 2.4 1.9 7.9 4850 32.88 1.1 1 0.7 N.D.(0.0013) 0.0044 - (Sea Area in front of the mouth of the Abukuma K-3(Bottom layer) 38.0458° 140.9518° 8.0 2.0 1.5 7.4 4960 33.18 0.9 <1 0.4 N.D.(0.0015) 0.0072 0.00098 River) Off Soma City L-2 37.8155° 140.9763° 8.0 1.1 1.8 8.0 4720 31.81 1.1 2 0.9 N.D.(0.0015) 0.0097 0.0010 (Matsukawaura) M-2(Surface layer) 37.1996° 141.0853° 8.0 1.5 1.8 7.8 5010 33.65 0.9 1 0.4 N.D.(0.0015) 0.0040 - Off Iwaki City (Hisanohama) M-2(Bottom layer) 37.1996° 141.0853° 8.0 1.6 1.5 8.0 5030 33.85 0.9 <1 0.3 N.D.(0.0013) 0.0030 0.00085 Note) N.D. means to be below the detection limit and figures in parentheses show the detection limit. ○ Results (sediments) Locations 2018 October Survey Grain size distribution Water pH Redox potential IL TOC Soil particle density Gravel Coarse sand Medium sand Fine sand Silt Clay Median grain Maximum Cs-134 Cs-137 Sr-90 Latitude Longitude content (Less than 0.005mm) diameter grain diameter EN.H.E (2-75mm) (0.85-2mm) (0.25-0.85mm) (0.075-0.25mm) (0.005-0.075mm) (mV) (％) (％) (mg/g-dry) (g/cm3) (％) (％) (％) (％) (％) (％) (mm) (mm) (Bq/kg-dry) (Bq/kg-dry) (Bq/kg-dry) A-1 37.6210° 140.5218° 7.5 161 58.5 7.5 36.7 2.638 0.1 2.4 25.0 26.0 22.4 24.1 0.12 4.8 68 760 0.32 A-2 37.5673° 140.3946° 7.3 313 18.7 1.5 2.1 2.681 48.4 37.9 11.6 1.1 1.0 2.0 9.5 11 130 - Abukuma River System B-2 37.8121° 140.5058° 7.4 312 24.9 1.6 2.1 2.743 0.0 1.7 64.5 32.1 1.7 0.30 4.8 14 140 - B-3 37.8182° 140.4679° 7.6 317 17.5 0.8 1.1 2.643 70.8 27.4 1.7 0.1 0.0 2.5 9.5 4.5 42 - Uda River C-6 37.7764° 140.8877° 7.3 310 22.3 1.3 1.3 2.691 2.4 40.4 54.2 2.0 1.0 0.77 4.8 17 190 0.59 Mano River D-4 a 37.7308° 140.9081° 7.5 320 18.9 1.6 1.9 2.697 27.2 38.4 29.4 4.3 0.7 1.2 9.5 26 310 1.1 Niida River E-2 a 37.6640° 140.9447° 7.2 259 39.5 4.7 23.3 2.627 18.9 22.5 16.0 14.4 12.7 15.5 0.39 4.8 340 3700 0.83 Ota River F-1 37.5975° 140.9252° 7.1 312 20.1 1.5 3.2 2.644 8.6 25.2 52.4 10.8 1.2 1.8 0.60 4.8 180 2000 0.73 G-1 37.7321° 140.8127° 7.1 339 31.0 7.1 18.5 2.673 9.1 13.7 40.6 22.8 8.1 5.7 0.35 19 140 1500 2.4 Lake Hayama (Mano Dam) G-4 37.7382° 140.8035° 7.4 310 23.1 1.9 1.6 2.697 8.9 26.2 58.6 3.7 2.6 0.68 9.5 43 490 - Lake Akimoto H-1 37.6575° 140.1264° 6.6 176 63.7 9.7 30.1 2.546 0.0 0.0 0.1 0.1 64.4 35.4 0.0081 2.0 120 1300 1.4 Lake Inawashiro J-1 37.4203° 140.1008° 6.6 317 25.6 1.9 3.3 2.717 0.1 1.2 46.6 47.9 1.1 3.1 0.24 4.8 19 230 0.36 Off the mouth of the Abukuma River (Sea Area in front of the K-3 38.0458° 140.9518° 7.8 187 37.2 5.2 9.8 2.693 0.0 0.1 0.2 39.7 42.5 17.5 0.062 2.0 28 280 N.D.(0.14) mouth of the Abukuma River) Off Soma City L-2 37.8155° 140.9763° 7.8 222 19.6 1.2 1.7 2.723 0.2 0.7 61.5 32.5 1.5 3.6 0.28 4.8 1.7 22 N.D.(0.15) (Matsukawaura) Off Iwaki City M-2 37.1996° 141.0853° 7.8 208 22.1 2.0 1.9 2.758 0.0 0.4 3.5 91.5 1.5 3.1 0.17 2.0 2.0 27 N.D.(0.15) (Hisanohama) Note) N.D. means to be below the detection limit and figures in parentheses show the detection limit. ○ Results (aquatic organisms) Sample Note Radioactive cesium (Bq/kg-wet) Sr-90 Location Sampling point Sampling date Division Class Order Family Scientific name English name Population weight （Bq/kg-wet) (kg-wet) Growth stage Stomach contents Measurement site Total Cs-134 Cs-137 Vertebrata Osteichthyes Cypriniformes Cyprinidae Hemibarbus barbus Hemibarbus barbus 1 1.8 Mature fish Obscure digesta Viscera removed 11 N.D.(1.5) 11 0.54 The main stream A-1 of the Abukuma 2018/10/19 Vertebrata Osteichthyes Perciformes Centrarchidae Micropterus salmoides Largemouth bass 1 0.014 Immature fish Empty stomach Viscera removed 7.0 N.D.(2.8) 7.0 - River Vertebrata Osteichthyes Perciformes Centrarchidae Micropterus dolomieu Small mouth bass 1 1.1 Mature fish Fish Viscera removed 13 N.D.(1.8) 13 0.28 Algae/plant - - - - Riverbed Deposits (Include algae) - 0.030 - - - 73.4 7.4 66 - Arthropoda Malacostraca Decapoda Potamidae Geothelphusa dehaani Japanese Freshwater Crab 30 0.049 Juvenile - - 6.8 N.D.(1.3) 6.8 - Mollusca Gastropoda Discopoda Pleuroceridae Semisulcospira libertina Semisulcospira libertina 30 0.014 Imago - Molluscous part 7.9 N.D.(2.9) 7.9 - Mollusca Gastropoda Discopoda Pleuroceridae Semisulcospira libertina Semisulcospira libertina 30 0.021 Imago - Molluscous part 4.7 N.D.(2.1) 4.7 - A-2 Harase River 2018/10/17 Vertebrata Amphibia Anura - - Frog 20 0.012 Larva(Tadpole) - - 84.5 6.5 78 - Vertebrata Amphibia Anura Glandirana Glandirana rugosa Wrinkled Frog 2 0.017 Imago - - 4.9 N.D.(2.3) 4.9 - Vertebrata Amphibia Anura Pelophylax Pelophylax porosus porosus Tokyo Daruma pond frog Abukuma River System Coarse Particulate - - - - Bottom fallen leaves - 0.20 - - - 13 N.D.(1.9) 13 - Organic Matter Vertebrata Osteichthyes Cypriniformes Cyprinidae Tribolodon hakonensis Japanese dace 2 0.41 Mature fish Obscure digesta Viscera removed 11 N.D.(1.6) 11 - Vertebrata Osteichthyes Cypriniformes Cyprinidae Carassius auratus Carassius auratus langsdorfii 1 0.74 Mature fish Obscure digesta Viscera removed 6.4 N.D.(1.4) 6.4 - The main stream Vertebrata Osteichthyes Cypriniformes Cyprinidae Cyprinus carpio Common carp 1 7.3 Mature fish Obscure digesta Viscera removed 8.1 N.D.(1.2) 8.1 0.43 B-2 of the Abukuma 2018/10/19 Vertebrata Osteichthyes Cypriniformes Cyprinidae Hemibarbus barbus Hemibarbus barbus 2 2.7 Mature fish Obscure digesta Viscera removed 18.1 2.1 16 0.49 River Vertebrata Osteichthyes Perciformes Centrarchidae Micropterus dolomieu Small mouth bass 3 2.6 Immature fish,Mature fish Cut-tailed bullhead Viscera removed 9.8 N.D.(1.7) 9.8 0.18 Vertebrata Osteichthyes Siluriformes Ictaluridae Ictalurus punctatus Channel catfish 2 1.2 Immature fish Empty stomach Viscera removed 10 N.D.(1.2) 10 - Vertebrata Osteichthyes Siluriformes Siluridae Silurus asotus Amur catfish 1 0.33 Mature fish Japanese dace Viscera removed 4.9 N.D.(1.9) 4.9 - Algae/plant - - - - Riverbed Deposits (Include algae) - 0.019 - - - 79.7 8.7 71 - Arthropoda Insecta Ephemeroptera Ephemeridae Ephemera strigata Mont mayfly 432 0.020 Larva - - 23 N.D.(1.9) 23 - Arthropoda Malacostraca Decapoda Cambaridae Procambarus clarkii Red swamp crawfish 4 0.037 Juvenile,Imago - - 7.6 N.D.(1.8) 7.6 - Vertebrata Osteichthyes Anguilliformes Anguillidae Anguilla japonica Japanese eel 1 0.22 Mature fish Empty stomach Viscera removed 5.99 0.69 5.3 - B-3 Surikami River 2018/10/20 Vertebrata Osteichthyes Cypriniformes Cyprinidae Tribolodon hakonensis Japanese dace 50 0.33 Immature fish - - 4.1 N.D.(0.32) 4.1 - Vertebrata Osteichthyes Cypriniformes Cyprinidae Opsariichthys platypus Pale chub 2 0.029 Immature fish,Mature fish - - 6.8 N.D.(1.9) 6.8 - Vertebrata Osteichthyes Salmoniformes Salmonidae Oncorhynchus masou masou Seema 2 1.2 Mature fish Empty stomach Viscera removed 0.46 N.D.(0.37) 0.46 - Coarse Particulate - - - - Bottom fallen leaves - 0.21 - - - 2.4 N.D.(1.9) 2.4 - Organic Matter *1: Organisms were collected in or around the targeted water areas.
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