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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.

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Presentation on theme: "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."— Presentation transcript:

1 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

2 23478-PeCDF 2378-TCDD 75 135 75 209 123567-HxCN 3453’4’-Co-PCB

3 PCB production World : 1,200,000t Japan : 59,000t
Harima-nada Osaka-Bay Japan Osaka Hyogo Kinki

4 Map of enclosed coastal sea
Osaka Bay Harima nada Map of enclosed coastal sea

5 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

6 Vertical distribution
of PCB in sea sediment

7 Annual production and Vertical distribution in sediment
Production of N.C.P PCB concentration Sediment core Annual production Annual production and Vertical distribution in sediment

8 Horizontal distribution
of PCB in sea sediment

9 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

10 Horizontal distribution in sea sediment Particle size in sea sediment
Channel : fast stream sand silt silt sand Central part: slow stream Particle size in sea sediment

11 Before normalization by particle size distribution
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

12 After normalization by particle size distribution
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

13 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 concentration and Distance from source PCB濃度の距離減衰

14 Source estimation of PCB in samples

15 Source estimation KC300 KC500 Insulator N.C.P. capacitor Sediment B Sediment A KC400 KC600 Insulator Ship paint capacitor

16 Isomer distribution and Source estimation
Sediment A Water A KC300

17 Isomer distribution and Source estimation
KC400 KC500 KC600

18 Co-PCB isomer distribution and PCA
KC-300 KC-400 KC-600 KC-500 KC-600

19 Co-PCB isomer ratio in environmental sample

20 Co-PCB isomer ratio and Source
KC-300 flyash KC-400 Sediment A KC-500 Sediment B KC-600

21 Isomer specific analysis
of PCB using GC/MS

22 MCB,DiCB 5%PhMeSilicone TrCB TeCB PeCB HxCB HpCB

23 Air KC-300 KC-400 KC-500 KC-600

24 23478-PeCDF 2378-TCDD 75 135 75 209 123567-HxCN 3453’4’-Co-PCB

25 Isomer distribution (H7CB, Port Island in June,2001)
#180 #174 #170 KC Intensity Sea Water Mussel Isomer distribution (H7CB, Port Island in June,2001)

26 Isomer distribution (O8CB, Port Island in June, 2001)
KC Intensity Sea Water Mussel #196   #203 #195 #194 #202 #201 #199 Isomer distribution (O8CB, Port Island in June, 2001)

27 Isomer distribution of PCB in samples

28 Isomer distribution(TeCB)
PCB product 14 15 16 17 18 19 Retention Time (min) 357936 Intensity HW1013+KC3-600 sediment 01Sed-55 68784 Intensity 14 15 16 17 18 19 Retention Time (min) sea water 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 14 15 16 17 18 19 #74 (2,4,4',5-)

29 Isomer distribution (PeCB)
PCB product 16 17 18 19 20 21 22 Retention Time (min) 122592 Intensity HW1013+KC3-600 sediment 01Sed-55 33272 Intensity 16 17 18 19 20 21 22 Retention Time (min) sea water Portisland7/19-6L 8520 Intensity 984 16 17 18 19 20 21 22 human milk MM-44 22336 Intensity 16 17 18 19 20 21 22 adipose tissue o-neck-fat 19448 Intensity 992 16 17 18 19 20 21 22 #99 (2,2’,4,4',5-) #118 (2,3’,4,4',5-)

30 Isomer distribution (HxCB)
PCB product 18 19 20 21 22 23 24 Retention Time (min) 124328 Intensity HW1013+KC3-600 sediment 18 19 20 21 22 23 24 Retention Time (min) 32392 Intensity 01Sed-55 sea water Portisland7/19-6L 5128 Intensity 992 18 19 20 21 22 23 24 human milk MM-44 47792 Intensity 18 19 20 21 22 23 24 adipose tissue o-neck-fat 162432 Intensity 18 19 20 21 22 23 24 #153 (2,2',4,4',5,5'-) #138(2,2',3,4,4',5'-)

31 Isomer distribution (HpCB)
PCB product 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) 74056 Intensity HW1013+KC3-600 sediment 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) 960 8744 Intensity 01Sed-55 sea water 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 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

32 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-)

33 新たなPCBの起源

34 50 KC 40 30 20 10 60 #11 (3,3’) 50 Sediment #35 (3,3’,4) 40 30 20 10 50 40 Water 30 20 10 80 70 60 Rain 50 40 30 20 10 40 35 Air (gas phase) 30 25 20 15 10 5 #4 #8/#5 #11 #15 #26 #25 #35 #37 #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'-)

35 #11 4,4‘-Diamino-3,3’-dichlorobiphenyl

36 Isomer distribution of PCN in samples

37 PCN isomer distribution

38 Contribution in TEQ value of PCDD/PCDF/PCB PCN in samples

39 PCB concentration and TEQ value
KC300 KC400 KC500 KC600 0.7x10-5 2x10-5 6x10-5 3x10-5

40 Ambient air Contribution in TEQ value TEQ value Total conc.

41 Contribution in TEQ value
0% 20% 40% 60% 80% 100% 大気 底質 土壌 PCB PCDF PCDD Air depo sediment water soil

42 Source estimation of PCDD/F in samples

43 Hyogo pref Emission (g-TEQ/year) Japan Emision (g-TEQ/year)

44 Homologue Distribution
River water PCDF PCDD

45 Homologue Distribution
River sediment PCDF PCDD

46 Homologue Distribution
River sediment Incineration pattern PCDF PCDD

47 Homologue Distribution
River sediment Homologue Distribution PCP CNP Pesticide pattern PCP Pesticide pattern Incineration pattern CNP PCDD PCDF

48 Homologue Distribution
Sea sediment 燃焼系 PCDD PCDF

49 Incineration Pesticide PCDF bleaching pattern TeCDF (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, F (PCP): OCDF, F, F, F,12468-F

50 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-, , , ) Pesticide(PCP) : OCDD, HpCDD( ) 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, N, (PCN product)1248-N

51 on site analysis Monitoring of stack gas Monitoring of Environment
Importance of Low chlorinated DD/DF Isomer distribution formation mechanism Bio degradation pathway degration mechanism Important information origin estimation on site analysis Monitoring of stack gas MCDF > TCDF Monitoring of Environment PCB PCN PCDD PCDF 水系、大気系

52 Organohalogen compounds, (2000)
Detail is as follows ISOMER SPECIFIC ANALYSIS OF MONO- TO TRICHLORINATED DIBENZO-DIOXINS AND DIBENZOFURANS - T.NAKANO and R.WEBER Organohalogen compounds, (2000)

53 Precursor of PCDD/DF formation

54 Precursor of PCDD/DF formation

55 Authentic standard H2 ; H3 H9 H8 H6 NMR 1,4,7-TrCDF

56 環境大気 Ambient air

57 Incineration (flyash)
Ambient air Incineration (flyash) 環境大気の異性体分布(MCDF~TrCDF) Isomer distribution of ambient air(MCDF-TrCDF)

58 Incineration (flyash)
Ambient air Incineration (flyash) 環境大気の異性体分布(MCDD~TrCDD) Isomer distribution of ambient air(MCDD-TrCDD)

59 塩素漂白パターンの異性体分布(MCDF~TrCDF)
28- 2- 37-DiCDF 23- 27-DiCDF 27- 37- 23-DiCDF 28-DiCDF 128-TrCDF 238- 128- 237-TrCDF 238-TrCDF 237- 1278-TCDF 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)

60 塩素漂白パターンの異性体分布(MCDF~TrCDF)
238- 128- 2- 28- 237- 27- 塩素漂白パターンの異性体分布(MCDF~TrCDF) Isomer distribution of bleaching process(MCDF-TrCDF) Ambient air 24- 124- Isomer distribution of ambient air(MCDF-TrCDF) 環境大気の異性体分布(MCDF~TrCDF)

61 Isomer distribution of pesticide CNP (MCDF-TrCDF)
24- 248- 246- pesticide CNP Ambient air 24- 124- 環境大気の異性体分布(MCDF~TrCDF) Isomer distribution of ambient air(MCDF-TrCDF)

62

63 MCDD-TrCDD

64 Map of Osaka-Bay (http://www.jhd.go.jp/)


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