640 likes | 780 Views
環境中ダイオキシン類の 異性体分析と起源推定. 兵庫県立公害研究所 中野 武. 23478- PeCDF. 2378- TCDD. 75. 135. 75. 209. 123567- HxCN. 3453’4’- Co-PCB. PCB production World : 1,200,000t Japan : 59,000t. Harima-nada Osaka-Bay. Japan. Osaka. 1962-1971. Hyogo. Kinki. 1962-1971. Osaka Bay. Harima nada.
E N D
環境中ダイオキシン類の 異性体分析と起源推定 兵庫県立公害研究所 中野 武
23478-PeCDF 2378-TCDD 75 135 75 209 123567-HxCN 3453’4’-Co-PCB
PCB productionWorld : 1,200,000t Japan : 59,000t Harima-nadaOsaka-Bay Japan Osaka 1962-1971 Hyogo Kinki 1962-1971
Osaka Bay Harima nada Map of enclosed coastal sea
熱安定性 PCBは汚染拡散の重要な指標 化学的 環境中で分解しない。:難分解性 生物学的 使用期間10~20年の環境負荷 異性体 209 : 情報量が多い 海域底質中PCBの鉛直分布 PCB汚染の時間的・経年変化 海域底質中PCBの水平分布 PCB汚染の空間的移動
Vertical distribution of PCB in sea sediment
Production of N.C.P PCB concentration Sediment core Annual production Annual production and Vertical distribution in sediment
Horizontal distribution of PCB in sea sediment
Horizontal distribution in sea sediment 播磨灘 Harima nada 大阪湾 Osaka Bay Independent area western and eastern part スープ皿のような地形 東半分:陸、西半分:海 like a soup dish Sea bottom and water depth 海底の地形・水深
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 Inmost part High Low channel High Harima nada Low 鳴門 Osaka Bay Central part : High NAKANO (1979) 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 flow map and PCB distribution 恒流図と濃度分布 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
Source estimation of PCB in samples
Source estimation KC300 KC500 Insulator N.C.P. capacitor Sediment B Sediment A KC400 KC600 Ship paint Insulator capacitor
Isomer distribution and Source estimation Sediment A Water A KC300
Isomer distribution and Source estimation KC400 KC500 KC600
Co-PCB isomer distribution and PCA KC-300 KC-400 KC-600 KC-500 KC-600
Co-PCB isomer ratio and Source KC-300 flyash KC-400 Sediment A KC-500 Sediment B KC-600
Isomer specific analysis of PCB using GC/MS
5%PhMeSilicone MCB,DiCB TrCB TeCB PeCB HxCB HpCB
Air KC-300 KC-400 KC-500 KC-600
23478-PeCDF 2378-TCDD 75 135 75 209 123567-HxCN 3453’4’-Co-PCB
#180 #174 #170 KC300-600 Intensity Sea Water Mussel Isomer distribution (H7CB, Port Island in June,2001)
KC300-600 Intensity Sea Water Mussel #196#203 #195 #194 #199 #202 #201 Isomer distribution (O8CB, Port Island in June, 2001)
Isomer distribution of PCB in samples
HW1013+KC3-600 357936 Intensity 0 14 15 16 17 18 19 Retention Time (min) Isomer distribution(TeCB) PCB product sediment 01Sed-55 68784 Intensity 0 14 15 16 17 18 19 Retention Time (min) seawater Portisland7/19-6L 20656 Intensity 1000 14 15 16 17 18 19 human milk MM-44 14512 Intensity 952 14 15 16 17 18 19 adipose tissue o-neck-fat 41200 Intensity 0 14 15 16 17 18 19 #74(2,4,4',5-)
HW1013+KC3-600 122592 Intensity 0 16 17 18 19 20 21 22 Retention Time (min) Isomer distribution (PeCB) PCB product sediment 01Sed-55 33272 Intensity 0 16 17 18 19 20 21 22 Retention Time (min) seawater Portisland7/19-6L 8520 Intensity 984 16 17 18 19 20 21 22 human milk MM-44 22336 Intensity 0 16 17 18 19 20 21 22 adipose tissue o-neck-fat 19448 Intensity 992 16 17 18 19 20 21 22 #118(2,3’,4,4',5-) #99(2,2’,4,4',5-)
HW1013+KC3-600 124328 Intensity 0 18 19 20 21 22 23 24 Retention Time (min) 01Sed-55 32392 Intensity 0 18 19 20 21 22 23 24 Retention Time (min) Isomer distribution (HxCB) PCB product sediment seawater Portisland7/19-6L 5128 Intensity 992 18 19 20 21 22 23 24 human milk MM-44 47792 Intensity 0 18 19 20 21 22 23 24 adipose tissue o-neck-fat 162432 Intensity 0 18 19 20 21 22 23 24 #153(2,2',4,4',5,5'-) #138(2,2',3,4,4',5'-)
HW1013+KC3-600 74056 Intensity 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) 01Sed-55 8744 Intensity 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) 20.0 20.5 21.0 21.5 22.0 22.5 Isomer distribution (HpCB) PCB product sediment seawater Portisland7/19-6L 2080 Intensity 984 23.0 23.5 24.0 24.5 25.0 25.5 human milk MM-44 16312 Intensity 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) adipose tissue o-neck-fat 42888 Intensity 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
human milk/adipose tissue #153 (2,2',4,4',5,5'-) #74 (2,4,4',5-) #138 (2,2',3,4,4',5'-) #99(2,2’,4,4',5-) #187 (2,2',3,4’,5,5’,6-) #118 (2,3’,4,4',5-)
50 KC300-600 40 30 20 10 0 #11 (3,3’) 60 Sediment 50 #35 (3,3’,4) 40 30 20 10 0 50 Water 40 30 20 10 0 80 70 Rain 60 50 40 30 20 10 0 40 35 Air (gas phase) 30 25 20 15 10 5 0 #4 #11 #25 #35 #37 #15 #26 #8/#5 #12/#13 #18/#17 #16/#32 #31/#28 #33/#20 Isomer distribution of Di-TrCB in PCB product and environmental samples #10/(2,6-)#4(2,2'-), #8(2,4-)/#5(2,3-), #11(3,3'-), #12(3,4-)/#13(3,4'), #15(4,4'-), #18(2,2',5-)/#17(2,2',4-), #16(2,2',3-)/#32(2,4',6-), #26(2,3',5-), #25(2,3',4-), #31(2,4',5-)/#28(2,4,4'-),#33(2',3,4-)/#20(2,3,3'-),#35(3,3',4-), #37(3,4,4'-)
#11 4,4‘-Diamino-3,3’-dichlorobiphenyl
Isomer distribution of PCN in samples
PCB concentration and TEQ value KC300 KC400 KC500 KC600 0.7x10-5 2x10-5 6x10-5 3x10-5
Contribution in TEQ value Ambient air TEQ value Total conc.
100% 80% 60% 40% 20% 0% 大気 底質 土壌 Contribution in TEQ value PCB PCDF PCDD water soil Air sediment depo
Source estimation of PCDD/F in samples
Hyogo pref Emission (g-TEQ/year) Japan Emision (g-TEQ/year)
River water Homologue Distribution PCDF PCDD
River sediment Homologue Distribution PCDF PCDD
Homologue Distribution River sediment Incineration pattern PCDF PCDD
River sediment Homologue Distribution PCP CNP Pesticide pattern PCP Pesticide pattern Incineration pattern CNP PCDD PCDF
Homologue Distribution Sea sediment 燃焼系 PCDD PCDF
Incineration Pesticide PCDF bleaching patternTeCDF (2,3,7,8-, 1,2,7,8-) Chloralkali : PCDF (2,3,7,8-, 1,2,7,8-, 1,3,4,6,8-, 1,2,4,7,8-, 1,2,3,7,8-, 1,2,3,4,8-, 2,3,4,7,8-) Incineration(FBI) : PCDF (2,4,6,7‐, 3,4,6,7-, 2,3,6,7-, 2,3,4,6-, 2,3,4,6,8-, 2,3,4,6,7-, 2,3,4,7,8-) Pesticide(24-D) : TeCDF (2,4,6,8‐) (CNP) : 24-F,246-F,248-F,2468-F,12468-F, 23468-F (PCP): OCDF, 1234689-F,1234678-F, 124689-F,12468-F
Important Isomer for origin estimation PCDD Incineration(FBI) : 2,6-PeCDD(xxx68, xxx79)pattern Incineration(stoker : 2,3-PeCDD pattern Pesticide(CNP) : PCDD(13-,136-,138-,137-,139-, 1368-,1379-,12479-, 12468-, 12368-, 12379-) Pesticide(PCP) : OCDD, HpCDD(1234678-) Pesticide(24-D) : D2CDD (2,7- , 2,8-) PCB Incineration and PCB product(KC,AC) #118/#77ratio、#77/#126 ratio PCN Incineration and PCN product(HALOWAX) (Incineration)1267-N, 12367-N, (PCN product)1248-N