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PCB and PCN

PCB and PCN. Fate and Source. Takeshi Nakano. ( Hyogo Pref. Inst. of Env. Sci.). 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).

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PCB and PCN

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  1. PCB and PCN Fate and Source Takeshi Nakano (Hyogo Pref. Inst. of Env. Sci.)

  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. 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

  4. 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

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

  6. 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

  7. 0.600 0.500 0.400 0.300 50 0.200 PUF 40 0.100 30 0.000 20 Cl1 Cl2 Cl3 Cl8 Cl4 Cl5 Cl6 Cl7 10 0 P5CB D2CB N9CB M1CB Tr3CB O8CB Te4CB D10CB Hx6CB Hp7CB PCN PCB Homologue distribution in Ambient air

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

  9. Air　・　Rain Water　・　sediment β Air Selected PCN isomers from result of PCA　

  10. Daily variation of PCB in ambient air

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

  12. 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

  13. PCB

  14. PCN

  15. Isomer spescific analysis

  16. Source estimation

  17. PCB

  18. production 60,000t in Japan

  19. Source Fate Sediment Ambient air PCB

  20. PCN • source • Fate • Ambient air • Congener profiles

  21. 4-MCP 1,2,8-TrCDF 3,4-DCP 2,3,8-TrCDF

  22. O- m- 2-MCP 3-MCP 1,4,9-TrCDF 1,4,6-TrCDF 2,5-DCP 1,4,7-TrCDF 4-MCP 1,4,8-TrCDF Authentic standard (1,4,7- : NMR) p- Synthesis of 1,4,X-T3CDF isomers from chlorophenol

  23. 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

  24. Source Fate Sediment Ambient air PCB

  25. PCN • source • Fate • Ambient air • Congener profiles

  26. PCN congener distribution in ambient air.

  27. PCN congener distribution in ambient air.

  28. PCN isomer distribution in air, dry-deposition, rain particle, Halowax, sediment and landfil sludge.

  29. Air Sampling

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

  31. PCN congener distribution in ambient air.

  32. PCN congener distribution in ambient air.

  33. PCN isomer distribution in air, dry-deposition, rain particle, Halowax, sediment and landfil sludge.

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