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PCB and PCN in Environment

PCB and PCN in Environment. -Fate and Source-. Takeshi Nakano. ( Hyogo Pref. Inst. of Env. Sci.). ntakeshi @ pref.hyogo.jp. Sudden Death of Dr. Imagawa on 19th Feb. 2001 It is truly a shame to lose him at such a young age, and I thank for his help to my study.

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PCB and PCN in Environment

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  1. PCB and PCNin Environment -Fate and Source- Takeshi Nakano (Hyogo Pref. Inst. of Env. Sci.) ntakeshi@pref.hyogo.jp

  2. Sudden Death of Dr. Imagawa on 19th Feb. 2001 It is truly a shame to lose him at such a young age, and I thank for his help to my study Dr. Imagawa / Dioxin symposium in Kyoto (1994)

  3. ２３４７８－PeCDF ２３７８－TCDD ７５ １３５ ７５ ２０９ １２３５６７－HxCN ３４５３’４’－Co-PCB

  4. PCB issue in Japan

  5. 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

  6. DD/DF/PCB Levels in Air Chemosphere (1986) Daily Variation of DD/DF/PCB Atmospheric Environment(1990) PCB in Water Environment IWPRC(1990) PCN in Combustion Process Organohalogen compounds (1994)

  7. 1995.1.17 5:46am Great Earthquake

  8. ng/L 70 PCN(ng/L) 60 50 40 30 20 10 0 6 40 68 89 104 震災後 経過日数(日) PCN in rain water after great fire ng/L PCN PCN concentration in rain water (day) The progress number of days after the earthquake disaster

  9. TEQ Level of technical PCB

  10. PCB concentration and TEQ value KC300 KC400 KC500 KC600 0.7ｘ１０－５ ２ｘ１０－５ ６ｘ１０－５ ３ｘ１０－５ pg-TEQ/g 0.7ｘ１０7 2 ｘ１０7 6 ｘ１０7 3 ｘ１０7

  11. 90% of PCB still remain in Environment PCB • Transformer (Japan Railway, Power company ) • Carbon free Paper(Non Carbon Paper) • Sealant PCB (old building before 1972) • Fluorescent

  12. PCB Homologue Distribution and Source Estimation

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

  14. Isomer distribution and Source estimation Sediment A Water A KC300

  15. Isomer distribution and Source estimation KC４00 KC５00 KC６00

  16. PCN TEQ Level in Ambient Air

  17. 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

  18. PCN Profiles in Ambient air

  19. 0.600 0.500 0.400 0.300 0.200 0.100 0.000 Cl1 Cl2 Cl3 Cl8 Cl4 Cl5 Cl6 Cl7 Homologue distribution of PCN in Ambient air

  20. Kobe On the mountain Industrial site Homologue distribution of PCN in Ambient air

  21. 0.600 0.500 0.400 0.300 50 0.200 PUF 40 0.100 30 0.000 Cl1 Cl2 Cl3 Cl8 Cl4 Cl5 Cl6 Cl7 20 10 0 P5CB D2CB N9CB M1CB Tr3CB O8CB Te4CB D10CB Hp7CB Hx6CB PCN (vapor+particle) PCB(gas phase) Homologue distribution in Ambient air

  22. Ambient air (pg-TEQ/m3) Ambient air (pg/m3) Total concentration TEQ concentration Atmospheric level of PCB/PCN/PCDD/PCDF

  23. PCN Profiles in Ambient Air. (Kobe)

  24. PCN # MCN 1,2 PeCN 49-62 DiCN 3-12 HxCN 63-72 TrCN 13-26 HpCN 73,74 TeCN 27-48 OCN 75 DiCN TrCN TeCN PeCN HxCN PCN congener distribution in ambient air.

  25. Air Air Depo Rain Technical Sediment Water Landfill PCN isomer distribution

  26. 23- 1237- Air　・　Rain Water　・　sediment 236- 1234- β 167- 137- 146- Air 1267- 12367- 12346- Selected PCN isomers from result of PCA

  27. TEQ contribution of PCDD/PCDFPCB/PCN in Ambient Air

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

  29. Annual inventory of Dioxin from Municipal Incinerator

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

  31. TEQ contribution of PCDD/PCDFPCB/PCN in environmental samples

  32. Contribution in TEQ value water soil Air sediment depo

  33. Daily variation of PCB in ambient air

  34. Air Sampling 1000m3 • High volume air sampler • Quartz Micro Fiber for particulate • Poly Urethane Foam for gas phase

  35. Relation between distribution of gas and particulate-PCB with temperature (C) and atmospheric pressure (hPa).

  36. Co-PCB in air and technical PCB Di Tri Tetra Penta Hexa Hepta 30 3,3’- 4,4’- KC 300-600 20 3,4,3’- 3,4,4’- 3,4-/ 3,4’- 3,4,3’,4’- 10 0 Gas phase 30 PUF 20 10 0 particulate 30 QMF 20 10 0 #11 #15 #35 #37 #74 #70 #66 #56 #77 #107 #123 #118 #114 #105 #126 #156 #157 #169 #180 #193 #191 #170 #190 #189 #12/#13 #80/#55

  37. Importance of Low chlorinated DD/DF Isomer distribution formation mechanism Biodegradation pathway degradation mechanism Important information Source estimation on site analysis Monitoring of stack gas MCDF >> TCDF Monitoring of Environment PCB PCN PCDD PCDF Air, Water

  38. 13C12-MCDD 13C12-MCDF 13C12-DiCDD 13C12-DiCDF 13C12-TrCDD 13C12-TrCDF 13C12-TeCDD 13C12-TeCDF 13C12-PeCDD 13C12-PeCDF 13C12-HxCDD 13C12-HxCDF 13C12-HpCDD 13C12-HpCDF 13C12-OCDD 13C12-OCDF Breakthrough from PUF plug using High volume air sampler

  39. Water Sampling 100L • High volume water sampler • Quartz Micro Fiber for particulate • Poly Urethane Foam for dissolved

  40. ２３４７８－PeCDF ２３７８－TCDD ７５ １３５ ７５ ２０９ １２３５６７－HxCN ３４５３’４’－Co-PCB

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