Transcript Document
Environmental Occurrence POPs in Environmental and Human samples Takeshi NAKANO (Hyogo Pref. Inst. of Env. Sci.) [email protected] 23478-PeCDF 2378-TCDD 75 135 75 209 123567-HxCN 3453’4’-Co-PCB PCB issue in Japan PCB in Japan ca 60,000t National Project in 1985-1989 Decomposition in Takasago, Hyogo pref. Liquid-PCB 5,500t 90% of PCB still remain in Environment TEQ Level of technical PCB PCB concentration and TEQ value 1000 PCB KC300 1000 PCB KC400 10 coPCB 10 PCB 100 100 100 1000 coPCB KC500 coPCB 1000 PCB 100 10 10 1 1 1 1 0.1 0.1 0.1 0.1 KC600 coPCB TEQ 0.01 0.01 TEQ 0.01 0.01 TEQ TEQ 0.001 0.001 0.001 0.001 0.0001 0.0001 0.0001 0.0001 KC300 KC400 KC500 KC600 0.7x10-5 2x10-5 6x10-5 3x10-5 2 x107 6 x107 3 x107 pg-TEQ/g 0.7x107 90% of PCB still remain in Environment PCB •Transformer (Japan Railway, Power company ) •Carbon free Paper(Non Carbon Paper) •Sealant PCB (old building during 1968-72) •Fluorescent lamp stabilizer (old type) •etc PCB Homologue Distribution and Source Estimation 30 25 20 15 Insulator 10 5 0 capacitor 45 40 KC600 Ship paint 5 0 D10CBs 10 D10CBs 15 N9CBs 20 N9CBs 25 O8CBs 30 O8CBs 35 H7CBs KC600 H7CBs H6CBs P5CBs D10CBs N9CBs O8CBs H7CBs H6CBs P5CBs T4CBs T3CBs KC500 50 45 40 35 30 25 20 15 10 5 0 H6CBs KC400 D2CBs Source estimation P5CBs 0 T4CBs Sediment A T4CBs 40 T3CBs 底質(KC300由来) 45 40 35 30 25 20 15 10 5 0 T3CBs 60 capacitor D2CBs 20 M1CBs KC300 M1CBs 40 D2CBs 35 N.C.P. D10CBs 50 M1CBs KC400 D10CBs KC300 D10CBs 10 N9CBs 0 N9CBs 20 O8CBs H7CBs H6CBs 10 N9CBs 30 O8CBs H7CBs H6CBs P5CBs T4CBs T3CBs D2CBs M1CBs 30 O8CBs H7CBs 45 40 P5CBs T4CBs T3CBs D2CBs M1CBs 50 H6CBs 50 P5CBs T4CBs T3CBs D2CBs M1CBs 60 KC500 Insulator 底質(KC600由来) Sediment B KC300 (%) KC300 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 #189 #170 #180 #169 #157 #156 0 #167 0 #126 0.2 #189 0.2 #105 1.2 #170 0.4 #114 0.4 #180 0.6 #118 0.6 #169 0.8 #123 0.8 #157 1 #77 1 #156 #81 Sediment A #167 0.8 #189 #170 #180 #169 #157 #156 99ED辰巳底 (%) #126 0.9 #105 #114 #118 #123 #77 #81 #167 1.2 #126 1.4 #105 #114 #118 #123 #77 #81 Isomer distribution and Source estimation 1.4 Water A 12 KC600 KC600 (%) 8 6 4 2 0 #189 #170 #180 #169 #157 0 #156 0 #167 6 #126 7 #189 1 #105 0.5 #170 2 #114 1 #180 3 #118 1.5 #169 4 #123 2 #157 5 #77 2.5 #156 #81 KC400 #167 #189 #170 #180 #169 #157 #156 KC400 (%) #126 10 #105 #114 #118 #123 #77 #81 3 #167 3.5 #126 #105 #114 #118 #123 #77 #81 Isomer distribution and Source estimation KC500 KC500 (%) PCB contamination in Sea sediment PCBは汚染拡散の重要な指標 PCB: important index for Pollutant dispersion 環境中で分解しない。:難分解性 Stable in environment : persistent 使用期間10~20年の環境負荷 Environmental loading : 10-20 years 209 congeners information 異性体 209 :: much 情報量が多い 海域底質中PCBの鉛直分布 Vertical distribution of PCB in sediment core PCB汚染の時間的・経年変化 Historical trend of PCB pollution 海域底質中PCBの水平分布 Horizontal distribution of PCB in sediment PCB汚染の空間的移動 Spatial migration of PCB Thermal 熱安定性 化学的 chemical 生物学的 biological Vertical distribution of PCB in sea sediment Production of N.C.P Annual production PCB concentration Sediment core 海域底質の水平分布と鉛直分布 Annual production and Vertical distribution in sediment Horizontal distribution of PCB in sea sediment Horizontal distribution in sea sediment 播磨灘 nada Harima 大阪湾Bay Osaka スープ皿のような地形 like a soup dish Independent area 東半分:陸、西半分:海 western and eastern part Sea海底の地形・水深 bottom and water depth Horizontal distribution in sea sediment Channel : fast stream sand silt silt sand Central part: slow stream Particle size in sea sediment 海域底質の粒度分布を考慮しない場合 Before normalization by particle size distribution coast High High Low Inmost part channel High 濃度の単調減少 Harima nada 鳴門 Low Osaka Bay Central part : High Horizontal distribution in sea sediment 海域底質の粒度分布を考慮した場合 After normalization by particle size distribution Constant恒流図と濃度分布 flow map and PCB distribution 粒径・微細粒子・比表面積で規格化 海域底質中PCBの水平分布 Horizontal distribution in sea sediment Horizontal distribution in sea sediment 海域底質の水平分布 神戸港周辺 Around Kobe port Osaka bay 大阪湾 PCB濃度の距離減衰 PCB concentration and Distance from source PCB congener profile in Environmental and Human samples Isomer distribution(TeCB) PCB product Intensity HW1013+KC3-600 357936 0 14 15 16 17 18 19 Retention Time (min) sediment Intensity 01Sed-55 68784 0 14 15 16 17 18 19 Retention Time (min) sea water Intensity Portisland7/19-6L 20656 1000 14 15 16 17 18 human milk MM-44 Intensity 19 14512 952 14 15 16 17 18 19 adipose tissue Intensity o-neck-fat 41200 0 14 15 16 #74 (2,4,4',5-) 17 18 19 Isomer distribution (PeCB) PCB product Intensity HW1013+KC3-600 122592 0 16 17 18 19 20 21 22 Retention Time (min) sediment Intensity 01Sed-55 33272 0 16 17 18 19 20 21 22 Retention Time (min) sea water Intensity Portisland7/19-6L 8520 984 16 17 18 19 20 21 human milk MM-44 Intensity 22 22336 0 16 17 18 19 20 21 22 adipose tissue Intensity o-neck-fat 19448 992 16 17 #99 (2,2’,4,4',5-) 18 19 20 21 22 #118 (2,3’,4,4',5-) Isomer distribution (HxCB) PCB product Intensity HW1013+KC3-600 124328 0 18 19 20 21 22 23 24 Retention Time (min) sediment Intensity 01Sed-55 32392 0 18 19 20 21 22 23 24 Retention Time (min) sea water Intensity Portisland7/19-6L 5128 992 18 19 20 21 22 23 human milk MM-44 Intensity 24 47792 0 18 19 20 21 22 23 24 adipose tissue Intensity o-neck-fat 162432 0 18 19 20 #153 (2,2',4,4',5,5'-) 21 22 23 24 #138(2,2',3,4,4',5'-) Isomer distribution (HpCB) PCB product Intensity HW1013+KC3-600 74056 0 20.0 20.5 21.0 21.5 22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.5 Retention Time (min) sediment Intensity 01Sed-55 8744 960 20.0 20.5 21.0 21.5 22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.5 Retention Time (min) sea water Intensity Portisland7/19-6L 2080 984 20.0 20.5 21.0 21.5 22.0 22.5 23.0 23.5 24.0 24.5 human milk MM-44 Intensity 25.0 25.5 16312 944 20.0 20.5 21.0 21.5 22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.5 Retention Time (min) Intensity o-neck-fat 42888 0 20.0 20.5 21.0 21.5 22.0 22.5 23.0 23.5 24.0 24.5 25.0 25.5 Retention Time (min) #187 #180 #170 adipose tissue human milk/adipose tissue #74 (2,4,4',5-) #99 (2,2’,4,4',5-) #153 (2,2',4,4',5,5'-) # 7 4 (4 -2 4 5 ) # 1 5 3 (2 4 5 -2 4 5 ) #138 (2,2',3,4,4',5'-) # 9 9 (2 4 -2 4 5 ) # 1 3 8 (2 3 4 -2 4 5 ) # 1 1 8 (3 4 -2 4 5 ) #187 (2,2',3,4’,5,5’,6 -) # 1 8 7 (2 3 5 6 -2 4 5 ) #118 (2,3’,4,4',5-) CYP1A,CYP2 A Cl Cl Cl HO Cl Cl 4-OH Cl Cl CYP2B HO Cl Cl 3-OH Cl Cl Cl Cl Cl Cl #153 (2,4,5,2',4',5') PCB #153 代謝 イヌ モルモット > ヒト ラット ハムスター サル HO Cl Cl Cl Cl Cl dog (CYP2B11) guinea pig (CYP2B18) Cl > human (CYP2B6) rat, hamster POPs in Human Breast Milk POPs in Human Breast Milk 70 ng/g-fat YM MM 60 50 40 30 20 #153-PCB #118-PCB HCB p,p'-DDE beta-HCH 0 transnonachlor 10 PCBs in Human Breast Milk 60 ng/g-fat MM 50 YM 40 30 20 10 DeCB NoCB OcCB HpCB HxCB PeCB TeCB TrCB DiCB MCB 0 PCB in Water and Mussel Polychlorinated biphenyl(PCB) is well-known environmental pollutants. In Japan, approximately 58,000t of PCB was produced and imported from overseas by 1972 . Despite of the ban and restriction of PCB usage since 1972, 90% of total products has still been untreated. PCB is transported in the environment(water, air, and ecosystem) in various forms. Sampling Points Himeji Kako River Akashi Muko River Yodo River Port Island Nanko Hokutan Izumiotsu Yura Around Harima-nada and Osaka Bay, this investigation have been done once a month from May, 2001 to Aug, 2001 500000 450000 PCB production World : 1,200,000t Japan : 59,000t 400000 350000 300000 250000 200000 150000 Harima-nada Osaka-Bay Japan 100000 Osak a 1962-1971 1962-1971 700 50000 Spain others 600 Italy Japan UK Germany USA France 0 500 Hyog o 400 300 25000 Kinki 1962-1971 1962-1971 20000 200 100 15000 Kyusyu Shikoku Chugoku Kinki Tokai Hokuriku Kanto Tohoku Hokkaido 0 Kyoto 5000 Shiga Hyogo 10000 Osaka 0 Level 10 ng/g-dry 100 ng/g-dry Harima-nada Osaka-Bay PCB in sea sediment 0 Sea Water 0 Mussel average The range of total PCBs concentration (May,2001~July,2001) Izumiotsu 35 ng/g-wet Nanko 200 Yodo River 2 Harima-nada Muko River 4 Port Island 6 Hokutan 160 Yura 8 180 Akashi 5 ng/L Kako River 10 concentratino(ng/L) 14 Himeji Izumiotsu Nanko 1 ng/L Yodo River Muko River Port Island Hokutan Yura Akashi 12 Kako River Himeji concentratino(ng/L) Harima-nada Osaka-Bay Osaka-Bay 80 ng/g 140 120 100 80 60 40 20 Harima-nada Osaka-Bay Harima-nada Osaka-Bay 0.9 0.06 ng/L 0.3 ng/L 9 8 4 Sea Water Izumiotsu Nanko Yodo River Muko River Izumiotsu Nanko Yodo River Muko River 0 Port Island 0 Hokutan 1 Yura 0.1 Akashi 2 Kako River 0.2 Port Island 3 Hokutan 0.3 5 Yura 0.4 6 Akashi 0.5 7 Kako River 0.6 Himeji concentratino(ng/L) 0.7 Himeji concentratino(ng/L) 0.8 5 ng/g 2 ng/g-wet 10 Mussel The range of total co-PCBs concentration average (May,2001~July,2001) Sea Water 1 20 0.5 10 0 0 Mussel Fig #11/ΣDiCBs in June, 2001 Izumiotsu 30 Nanko 1.5 Yodo river 40 Muko river 2 Port Island 50 Yura 2.5 Hokudan 60 Akashi 3 Kako river 70 Himeji Izumiotsu Nanko Yodo river Muko river Port Island Yura Hokudan Akashi Kako river Himeji 3.5 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 #188 #188 0.3 0.2 0.1 0 #179 #176 #186 #178 #175 #187, #182 #183 #185 #174, #181 #177 #171 #173 #192, #172 #180, #193 #191 #170, #190 #189 #179 #176 #186 #178 #175 #187, #182 #183 #185 #174, #181 #177 #171 #173 #192, #172 #180, #193 #191 #170, #190 #189 #179 #176 #186 #178 #175 #187, #182 #183 #185 #174, #181 #177 #171 #173 #189 #180 #170, #190 #191 #180, #193 KC300-600 #174 #192, #172 #184 Mussel #184 Sea Water #184 #188 Intensity 0.6 0.4 0.2 0 #170 Isomer distribution (P7CB, Port Island in June,2001) 4000 KC300-600 2000 0 0.001 Sea Water 0 0.02 0.015 0.01 0.005 0 #202 #201 #199 #196 #203 #195 #205 #194 #195 #196, #203 #199 #198 #200 #197 #201 Mussel #202 Intensity 0.002 #194 Isomer distribution (O8CB, Port Island in June, 2001) Sea Water Mussel Homologue Distribution in June,2001 P2CB P3CB P4CB P5CB P6CB P7CB P8CB Izumiotsu Nanko Yodo river Muko river Port Island 0% Seidan 0% Yura 50% Akashi 50% Kako river 100% Himeji Izumiotsu Nanko Yodo river Muko river Port Island Seidan Yura Akashi Kako river Himeji 100% PCB #11 New Source Cl Cl Cl H 2N #11 Cl NH 2 4,4‘-Diamino-3,3’-dichlorobiphenyl PCN TEQ Level in Ambient Air Atmospheric PCN (pg-TEQ/m3) in Japan (JEPA) 1 0.1 0.01 0.001 0.0001 0.00001 0 1 2 3 4 5 6 7 8 9 10 TEQ contribution of PCDD/PCDF/PCB/PCN in Ambient Air Ambient air (pg-TEQ/m3) Ambient air (pg/m3) 1 1000 PCB 100 PCN PCDD 0.1 10 0.01 1 PCB PCN PCDD PCDF Total concentration 0.001 TEQ concentration Atmospheric level of PCB/PCN/PCDD/PCDF PCDF Air, Rain Air ・ Rain 1237- 236- 1,2,3,4- (#27) 2,3,6- (#26) β 1,2,3,7- (#30) 23- 2,3- (#10) Water ・ sediment 1234- 1,6,7- (#25) 167- 1,4,6- (#24) 146- 1,2,6,7- (#39) 1267- Air 1,2,3,4,6- (#50) 12346- 1,2,3,6,7- (#54) 12367- Selected PCN isomers from result of PCA 1,3,7- (#21) 137- Unintentional Formation (HCB, PCN, PCB, Dioxins) FIRE 1995.1.17 5:46am Great Earthquake (Kobe) PCN concentration in rain water ng/L ng/L PCN in rain water after great fire 70 PCN(ng/L) PCN 60 50 40 30 20 10 0 6 40 68 89 104 (day) after the経過日数(日) earthquake disaster 震災後 Annual inventory of Dioxin from Municipal Incinerator 120 100 g-TEQ/年 Hyogo pref 兵庫県 100 ダイオキシンの年間総排出量 (g-TEQ/年) 80 Emission (g-TEQ/year) 60 30 40 15 20 7 0 1996 5000 1997 1998 1999 2000 4300 2002 全国 Japan 4000 g-TEQ/年 2001 ダイオキシンの年間総排出量 (g-TEQ/年) 3000 Emision (g1320 TEQ/year) 2000 1000 0 1996 1997 1998 1999 2000 2001 2002 TEQ contribution of PCDD/PCDF/PCB/PCN in environmental samples Contribution in TEQ value 100% 80% 60% PCB PCDF PCDD 40% 20% TEQ寄与 water 土壌 sediment 河川水 depo 底質 Air 降下ばいじん 大気 0% soil Daily variation of PCB in ambient air Air Sampling 1000m3 High volume air sampler •Quartz Micro Fiber for particulate •Poly Urethane Foam for gas phase PCB Conc.(pg/m3) 1500 30 25 20 1000 15 10 Air temp.(degC) PCB(QMF) PCB(PUF) Temp. 2000 500 5 Rain (mm) 0 0 100 50 0 PCB(QMF) 1040 PCB Conc.(pg/m3) PCB(PUF) 1500 1030 Press. 1020 1000 1010 1000 500 Air Press.(hPa) 2000 990 3 23 13 3 24 24 19 9 980 4 0 Sampling Date F igure 1. C hanges of P C B concentrations in air with average tem perature (°C ), atm ospheric pressure (hP a), and precipitation (m m ) on the sam pling date. (°C) (hPa) (°C) (hPa) 60 1040 60 1040 2 2 R = 0.0077 50 R = 0.3315 1030 50 1030 40 1020 40 1020 30 1010 30 1010 20 1000 20 1000 990 10 10 2 R = 0.1793 0 R = 0.3274 980 10 100 1000 gaseous-PCB(PUF)(pg/m3) Temp.(°C) Pressure(hPa) 990 2 10000 0 980 0.1 1 10 100 1000 particulate-PCB(QMF)(pg/m3) Temp.(°C) Pressure(hPa) Relation between distribution of gas and particulate-PCB with temperature ( C) and atmospheric pressure (hPa). 20 30 30 Tri 3,4,3’,4’- 3,4,4’- Di 3,4,3’- 4,4’- 3,4-/ 3,4’- 10 3,3’- 30 #11 #12/#13 #15 #35 #37 #74 #70 #66 #80/#55 #56 #77 #107 #123 #118 #114 #105 #126 #156 #157 #169 #180 #193 #191 #170 #190 #189 Co-PCB in air and technical PCB Tetra Penta Hexa Hepta KC 300-600 0 20 10 0 PUF Gas phase QMF particulate 20 10 0 Importance of Low chlorinated DD/DF formation mechanism Isomer distribution degradation mechanism Biodegradation pathway Source estimation Important information on site analysis Monitoring of stack gas MCDF >> TCDF PCB PCN PCDD PCDF Monitoring of Environment Air, Water 0.50 0.40 13C 12-MCDF 0.20 0.20 0.10 0.10 0.00 1.00 0.80 12-DiCDF 0.40 0.30 PUF-2 PUF-3 0.20 PUF-3 0.20 PUF-2 PUF-3 1.20 1.00 2378-F 0.80 0.60 0.40 0.20 0.40 0.20 0.00 13C 12-PeCDF PUF-2 PUF-3 1.20 12378-F 1.00 0.80 0.60 0.60 0.40 0.40 0.20 0.20 0.00 13C 12-HxCDF PUF-3 1.00 0.80 0.60 0.60 0.40 0.40 0.20 0.20 0.00 0.00 1.00 PUF-2 PUF-3 0.80 0.20 0.20 0.00 0.00 PUF-1 13C 12-OCDF PUF-3 13C PUF-2 12-PeCDD PUF-3 123789-D 13C PUF-2 PUF-2 PUF-3 1234678-D 13C PUF-1 1.20 12346789-F 1.00 0.80 0.80 0.60 0.60 0.40 0.40 0.20 0.20 0.00 12-HxCDD PUF-3 0.40 0.40 1.00 PUF-2 0.60 0.60 1.20 12-TeCDD 12378-D PUF-1 1.00 1234678-F 0.80 12-HpCDF 13C PUF-1 1.20 234678-F PUF-1 13C PUF-2 0.80 1.20 PUF-3 0.00 PUF-1 1.00 PUF-2 12-TrCDD 2378-D PUF-1 0.80 1.20 13C 0.00 PUF-1 1.00 12-DiCDD PUF-3 237-D PUF-1 0.80 0.60 1.20 PUF-2 0.60 0.40 0.20 0.00 0.40 PUF-1 12-TeCDF PUF-1 1.20 1.00 0.80 248-F 0.00 13C 13C 0.00 PUF-2 0.60 1.20 1.00 23-D 0.20 PUF-1 12-TrCDF 12-MCDD PUF-3 0.40 0.00 13C PUF-2 0.60 0.40 0.80 13C PUF-1 0.80 23-F 0.60 1.00 2-D 0.00 PUF-1 13C 0.50 2-F 0.30 PUF-2 12-HpCDD PUF-3 12346789-D 13C 12-OCDD 0.00 PUF-1 PUF-2 PUF-3 PUF-1 PUF-2 PUF-3 Breakthrough from PUF plug using High volume air sampler Water Sampling 100L High volume water sampler •Quartz Micro Fiber for particulate •Poly Urethane Foam for dissolved 23478-PeCDF 2378-TCDD 75 135 75 209 123567-HxCN 3453’4’-Co-PCB PCDD/PCDF Homologue Distribution and Source Estimation Water and Sediment in River and Coastal Sea PCDD/DF in Air from mainly combustion process in Japan PCDD/DF in Water from Impurity of Pesticide in paddy soil Homologue Distribution 140 120 100 80 60 40 20 0 PCDD PCDF O8CDF H7CDFs H6CDFs P5CDFs T4CDFs O8CDD H7CDDs H6CDDs P5CDDs T4CDDs 十五社橋 River water Homologue Distribution 1000 900 800 700 600 500 400 300 200 100 0 PCDD PCDF O8CDF H7CDFs H6CDFs P5CDFs T4CDFs O8CDD H7CDDs H6CDDs P5CDDs T4CDDs 脇田橋 River sediment Homologue Distribution 1800 1600 1400 River sediment 辰巳橋 1200 1000 800 600 Incineration pattern 400 200 PCDD PCDF O8CDF H7CDFs H6CDFs P5CDFs T4CDFs O8CDD H7CDDs H6CDDs P5CDDs T4CDDs 0 River sediment Homologue Distribution PCP CNP O8CDF H7CDFs H6CDFs PCP 1800 1600 1400 Pesticide pattern 1200 1000 800 600 P5CDFs T4CDFs O8CDD H7CDDs H6CDDs 脇田橋 Pesticide pattern P5CDDs T4CDDs 1000 900 800 700 600 500 400 300 200 100 0 辰巳橋 Incineration pattern CNP 400 200 PCDD PCDF O8CDF H7CDFs H6CDFs P5CDFs T4CDFs O8CDD H7CDDs H6CDDs P5CDDs T4CDDs 0 Homologue Distribution 1600 1400 1200 Sea sediment 神戸市東部沖 1000 800 600 400 PCDD PCDF O8CDF H7CDFs P5CDFs 燃焼系 T4CDFs O8CDD H7CDDs H6CDDs P5CDDs T4CDDs 0 H6CDFs 200 Homologue profiles of PCDD/Fs in river water O8Cl Hp7Cl Hx6Cl P5Cl 20 40 (pg/L) 60 60 80 80 Kako river Te4Cl Tr3Cl D2Cl 0 20 PCDD M1Cl O8Cl Hp7Cl Hx6Cl P5Cl Te4Cl Tr3Cl D2Cl M1Cl 0 (pg/L) 40 Σ=100pg/L Σ=20pg/L PCDF in Japan Herbicide in the past •CNP 1368- and 1379-TCDD (condensation of 2,4,6-TCP) •PCP OCDD, HpCDD still using •2,4-D 2,7- and 2,8- DiCDD PCDF PCDD Hudson river suspended particulate Homologue profiles of PCDD/Fs in river water R. Lohmann et al (1999) OCDF Hepta-F Hexa-F Penta-F Tetra-F Tri-F Di-F Mono-F OCDD Hepta-D Hexa-D Penta-D Tetra-D matter (SPM) Tri-D Di-D (pg/g) 4,000 3,500 3,000 2,500 2,000 1,500 1,000 500 0 Source estimation of PCDD/DF 9 10 11 12 13 14 129 15 17 16 18 19 20 21 346 347/236 19 267 137 12 24 19 237/149 18 248 46 37 27 36 23 28 26 19 34 18 18 246 247 17 128 16 17 126 15 139/127 14 16 167 TrCDF 15 146 13 14 178 148 123 12 13 124/147 11 12 138 136 168 134 10 11 137 9 10 16 14 9 17 13 4 3 1 2 環境大気air Ambient MCDF DiCDF 20 21 22 20 21 22 22 環境大気の異性体分布(MCDF~TrCDF) Isomer distribution of ambient air(MCDF-TrCDF) 0 234, 238 237, 149 246 248 126 128 247 167 346 0.05 346 0.1 129 0.15 129 0.2 267 0.25 267 燃焼起源 Incineration (flyash) 347, 236 0.35 347, 236 234, 238 237, 149 246 248 126 128 247 146 139, 127 123 148 178 124, 147 134 168 136 138 137 46 19, 34 26 36, 28 23 27 37 12, 24 16 18 14 17 13 4 2 3 1 0.25 167 146 139, 127 123 148 178 0.3 124, 147 134 168 136 138 137 46 19, 34 26 36, 28 23 27 37 12, 24 16 18 14 17 13 4 2 3 1 0.3 環境大気 air Ambient 0.2 0.15 0.1 0.05 0 129 air 126 128 127 178 123 147 139, 237 124 136 138 137 19 12 16 18 14, 17 27, 23, 28 13 1 2 Ambient 環境大気 146 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.6 0.5 0.4 Incineration (flyash) 燃焼起源 0.3 0.2 0.1 環境大気の異性体分布(MCDD~TrCDD) Isomer distribution of ambient air(MCDD-TrCDD) 129 126 146 128 127 178 123 147 139, 237 124 136 138 137 19 12 16 18 14, 17 27, 23, 28 13 1 2 0 0.70 28- 2- 0.60 37-DiCDF 23- 0.50 0.40 27-DiCDF 27- 0.30 23-DiCDF 37- 0.20 0.10 28-DiCDF 34 26 28 23 27 37 24 12 16 18 14 17 13 4 2 3 1 0.00 128-TrCDF 238- 0.4 0.35 237-TrCDF 128- 0.3 0.25 238-TrCDF 237- 0.2 0.15 0.1 0.05 1278-TCDF 346 267 347/236 234/238 237/149 246 248 126 128 247 167 146 127 139 123 148 178 147 124 134 168 136 138 137 0 2378-TCDF 塩素漂白パターンの異性体分布(MCDF~TrCDF) Isomer distribution of bleaching process(MCDF-TrCDF) 238- 0.4 2- 28- 0.50 0.25 0.40 0.2 27- 346 267 347/236 234/238 237/149 246 248 126 128 247 167 146 127 139 123 148 178 147 124 137 34 26 28 23 27 37 24 12 16 18 14 17 13 0 4 0.00 2 0.05 3 0.1 0.10 134 0.15 0.20 1 237- 168 0.30 128- 0.3 136 0.60 138 0.70 0.35 塩素漂白パターンの異性体分布(MCDF~TrCDF) Isomer distribution of bleaching process(MCDF-TrCDF) 0.3 環境大気 Ambient air 0.25 24- 0.2 124- 0.15 0.1 0.05 Isomer distribution of ambient air(MCDF-TrCDF) 環境大気の異性体分布(MCDF~TrCDF) 346 129 267 347, 236 234, 238 237, 149 246 248 126 128 247 167 146 139, 127 123 148 178 124, 147 134 168 136 138 137 46 19, 34 26 36, 28 23 27 37 12, 24 16 18 14 17 13 4 2 3 1 0 Isomer distribution of ambient air(MCDF-TrCDF) 環境大気の異性体分布(MCDF~TrCDF) 346 129 267 347, 236 346 129 267 347, 236 234, 238 237, 149 246 248 126 128 247 167 248- 234, 238 237, 149 246 248 126 128 247 167 139, 127, 146 123 148 178 124, 147 168, 134 136 138 137 24- 146 0.3 139, 127 123 148 178 0.2 124, 147 24- 134 168 136 138 46 19, 34 26 36, 28 23 27 37 12, 24 16 18 0.5 137 46 19, 34 26 36, 28 23 27 37 0.25 12, 24 16 14 17 13 4 2 3 1 2 18 14 17 13 4 2 3 1 2.5 Isomer農薬CNP中の異性体分布(MCDF~TrCDF) distribution of pesticide CNP (MCDF-TrCDF) 246- 1.5 1 pesticide CNP 0 Ambient air 環境大気 124- 0.15 0.1 0.05 0 Env. Level (1998 survey) Conc. range Air 0~1.8 pg-TEQ/m3 deposition 0.2~170 pg-TEQ/m2/d water 0~12 pg-TEQ/L groundwater 0~5.3 pg-TEQ/L sediment 0~230 pg-TEQ/g soil 10-3~110 pg-TEQ/g biota 0~11 pg-TEQ/g-wet average medium Co-PCB(%) 0.22 21 0.36 0.086 6.8 6.2 0.64 0.15 17 0.089 0.0073 0.23 2.3 0.32 5.7 8.3 12 10 11 7.7 70 Dioxin monitoring in Hyogo pref. Air 30 stations, Soil 30 stations water 20 stations, sediment 20 stations total 250 samples in 2000 Air 20 stations x 4 seasons, soil 20 stations water 42 stations, sediment 42 stations Stack gas 44, effluent water 44