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SIMO O. PEHKONEN E-Mail: simo.pehkonen@oulu.fi Tel : +358 40 7697 252 2. EDUCATION 1994 Ph.D. Env. Eng. Science California Institute of Technology

1990 B.S. Chemistry Oregon State University 3. PROFESSIONAL EXPERIENCE 2008- Research Director CEWIC, at Univ. of Oulu

(Finland) 2001- 2007 Associate Professor Division of Env. Science and

Eng., NUS 1999 - 2001 Assistant Professor Dept. of Chemical and

Environmental Engineering, National University of Singapore (NUS)

1994 - 1999 Assistant Professor Dept. of Civil and Environmental Engineering University of Cincinnati

1990 - 1994 Graduate Research and Teaching Assistant California Institute of Technology

1990 Researcher Dow Chemical Company, Walnut Creek, CA

1989 Researcher United Paper Mills Oy 1989 - 1990 Teaching Assistant Oregon State University 1988 - 1990 Laboratory Assistant Oregon State University 4. HONORS AND SCHOLARLY AWARDS

Faculty of Engineering, Commendation List, Best Tutor (BEng), 2002-2003. Teaching Honors List Award, 2001/2002, Faculty of Engineering, National University of Singapore, Sep. 2002 NASA Global Change Graduate Student Research Fellowship, 1991-1994

ACS Student Paper Award in Environmental Chemistry, Washington D.C., ACS Fall Meeting, August 1992. Outstanding Senior in Chemistry Award, Department of Chemistry, Oregon State University, June 1990. Toivo Henry Niemi Scholarship, Oregon State University, 1986-1990. Phi Kappa Phi, Academic Honor Society 5. TEACHING AND RESEARCH INTERESTS

The focal area of my research and teaching is water science and engineering with an emphasis on applied kinetics and with a specialization in environmental photochemistry, aquatic mercury chemistry, hydrolysis of pesticides and metal corrosion in aqueous media.

6. PEER-REVIEWED JOURNAL ARTICLES (1503 citations: 171 self, 1332 others)

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1. Pehkonen S. O., Erel Y., Hoffmann M. R.: " Simultaneous Spectrophotometric Measurement of Fe(II) and Fe(III) in Atmospheric Water", Environmental Science and Technology, 26 (1992), 9, 1731-1736. Impact Factor of Journal: 3.62 Number of Times Cited: 73 (self = 5 & others = 68) 2. Erel Y., Pehkonen S. O., Hoffmann M. R.: " Redox Chemistry of Iron in Fog and Stratus Clouds", Journal of Geophysical Research-Atm., 98 (1993), D10, 18423. Impact Factor of Journal: 2.42 Number of Times Cited: 88 (self = 11 & others = 77) 3. Pehkonen S. O., Siefert R. L., Erel Y., Webb S., Hoffmann M. R.: " Photoreduction of

Iron Oxyhydroxides in the Presence of Important Atmospheric Organic Compounds", Environmental Science and Technology, 27 (1993), No. 10, 2056-2062.

Impact Factor of Journal: 3.62 Number of Times Cited: 73 (self = 6 & others = 72) 4. Siefert R. L., Pehkonen S. O., Erel Y., Hoffmann M. R.: "Iron Photochemistry of

Aqueous Suspensions of Ambient Aerosol with Added Organic Acids", Geochimica et Cosmochimica Acta, 58 (1994), No. 15, 3271-3279.

Impact Factor of Journal: 2.70 Number of Times Cited: 35 (self = 4 & others = 31) 5. Suarez-Iha M. E. V., Pehkonen S. O., Hoffmann M. R.: "Competitive Reactions of

Iron(III) and Iron(II): Stability Constants of Fe(III) & Fe(II) and DPKBH (Di-2-Pyridyl Ketone Benzoylhydrazone)", Environmental Science and

Technology, 28 (1994), No. 12, 2080-2086. Impact Factor of Journal: 3.62 Number of Times Cited: 14 (self = 8 & others = 6) 6. Pehkonen S.O., Erel Y., Siefert R. L., Klewicki K., Hoffmann M. R., Morgan J. J.: "The Dynamic Chemistry of Transition Metals in the Troposphere", Israel Journal of Earth Science, 43 (1994), 279-295. Impact Factor of Journal: N/A Number of Times Cited: 3 (self = 0 & others = 3) 7. Pehkonen S. O., Siefert R. L., Hoffmann, M. R.: "Photoreduction of Iron Oxyhydroxides and Photooxidation of Halogenated Acetic Acids", Environmental Science and Technology, 29 (1995), 1215-1222. Impact Factor of Journal: 3.62 Number of Times Cited: 25 (self = 1 & others = 24) 8. Pehkonen S. O. "Determination of the Oxidation States of Iron in Natural Waters - A Review",Analyst , 120 (1995), 2655-2663. Impact Factor of Journal: 2.29 Number of Times Cited: 41 (self = 0 & others = 41) 9. Lin, Che-Jen, Pehkonen, S. O. "Aqueous Free Radical Chemistry of Mercury in the

Presence of Iron Oxides and Ambient Aerosol", Atmospheric Environment, 31 (1997), 4125-4137. Impact Factor of Journal: 2.35

Number of Times Cited: 42 (self = 8 & others = 45) 10. Pehkonen S. O., Lin, C.J. "Aqueous Photochemistry of Mercury with Organic Acids",

Journal of Air and Waste Management Association, 48 (1998), 144-150.

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Impact Factor of Journal: 1.50 Number of Times Cited: 52 (self = 6 & others = 46) 11. Siefert, R. L.; Johansen, A.; Pehkonen, S. O.; Hoffmann, M. R. "Measurements of

Trace Metal (Fe, Cu, Mn, Cr) Oxidation States in Fog and Stratus Clouds", Journal of Air and Waste Management Association, 48 (1998), 128-143.

Impact Factor of Journal: 1.50 Number of Times Cited: 27 (self = 0 & others = 27) 12. Dannenberg, A. and Pehkonen, S. O. "Homogeneous and Heterogeneous Hydrolysis

of Selected Organophosphorus Pesticides- Rates and Mechanisms", Journal of Agricultural and Food Chemistry, 46(1), 325-334 (1998).

Impact Factor of Journal: 1.5 Number of Times Cited: 35 (self = 6 & others = 29) 13. Lin, Che-Jen, Pehkonen, S. O. "Two-Phase Model of Mercury Chemistry in the Atmosphere", Atmospheric Environment, 32(14/15), 2543-2558 (1998). Impact Factor of Journal: 2.35 Number of Times Cited: 28 (self = 5 & others = 23) 14. Hong, F., Pehkonen, S. O. "Hydrolysis of Phorate using Simulated Environmental Conditions: Rates, Mechanisms, and Product Analysis", Journal of Agricultural and Food Chemistry, 46(3), 1192-1199 (1998). Impact Factor of Journal: 1.92 Number of Times Cited: 22 (self = 5 & others = 17) 15. Lin, Che-Jen; Pehkonen, S. O. "Oxidation of Elemental Mercury by Aqueous

Chlorine: Implications for Tropospheric Mercury Chemistry", Journal of Geophysical Research-Atmospheres, 103(D21), 28093-28102 (1998).

Impact Factor of Journal: 2.25 Number of Times Cited: 30 (self = 3 & others = 27) 16. Lin, Che-Jen; Pehkonen, S. O. "Aqueous Phase Reactions of Mercury with Free Radicals and Chlorine: Implications for Atmospheric Mercury Chemistry", Chemosphere, 38(6), 1253-1263 (1999). Impact Factor of Journal: 1.46 Number of Times Cited: 25 (self = 1 & others = 24) 17. Lin, Che-Jen; Pehkonen, S. O. "The Chemistry of Atmospheric Mercury- A Review", Atmospheric Environment, 33(13), 2067-2079 (1999). Impact Factor of Journal: 2.35 Number of Times Cited: 163 (self = 4 & others = 159) 18. Zhang, Q.; Pehkonen, S. O. “Oxidation of Diazinon by Aqueous Chlorine: Kinetics,

Mechanisms and Product Studies”, Journal of Agricultural and Food Chemistry, 47(4), 1760-1766 (1999).

Impact Factor of Journal: 1.92 Number of Times Cited: 27 (self = 3 & others = 24) 19. Jolas, J.; Pehkonen, S. O.; Maloney, S. W. "Reduction of 2,4-Dinitrotoluene with Graphite and Titanium Mesh Cathodes", Water Environ. Res., 72(2), 179-188 (2000). Impact Factor of Journal: 0.82, Number of Times Cited: 18 (self = 2 & others = 16) 20. Palit, Abhijit; Pehkonen, S. O. “Copper Corrosion in Distribution Systems:

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Evaluation of a Homogeneous Cu2O Film and a Natural Corrosion Scale as Corrosion Inhibitors”, Corrosion Science, 42(10), 1801-1822 (2000). Impact Factor of Journal: 1.44 Number of Times Cited: 13 (self = 3 & others = 10)

21. Hong, F., Pehkonen, S. O., Brooks, E. "Pathways for the Hydrolysis of Phorate: Product Studies by 31P-NMR and GC-MS", Journal of Agricultural and Food Chemistry, 48(7) 3013-3017 (2000). Impact Factor of Journal: 1.92

Number of Times Cited: 10 (self = 3 & others = 7) 22. Hong, F., Yin Win, K. and Pehkonen, S. O. Hydrolysis of Terbufos Using Simulated

Environmental Conditions: Rates, Mechanisms and Product Analysis, J. Agr. & Food Chem. 49, 5866-5873 (2001). Impact Factor of Journal: 1.92 Number of Times Cited: 6 (self = 1 & others = 5)

23. Pehkonen, S. O. and Zhang, Q. “The Degradation of Organophosphorus Pesticides in

Natural Waters: A Critical Review, Critical Reviews in Env. Sci. & Tech., 32(1), 17-72 (2002). Impact Factor of Journal: 2.89 Number of Times Cited: 39 (self = 2 & others = 37)

24. Pehkonen, S. O; Palit, A. and Zhang, X. “Effect of Specific Water Quality Parameters

on Copper Corrosion”, Corrosion, 58 (2), 156-165 (2002). Impact Factor of Journal: 1.2 Number of Times Cited: 7 (self = 2 & others = 5)

25. Zhang, X.; Pehkonen, S. O.; Kocherginsky, N. and Ellis, G. A. “Copper Corrosion in

Simulated Tap Water with Disinfectant Monochloramine”, Corrosion Science, 44 (11), 2507-2528 (2002). Impact Factor of Journal: 1.44. Number of Times Cited: 19 (self = 6 & others = 13)

26. Chen, F., Pehkonen, S. O. and Ray, M.B. "Kinetics and mechanisms of UV -

photodegradation of chlorinated organics in the gas phase", Water Research, 36(17), 4203-4214 (2002). Impact Factor of Journal: 1.6. Number of Times Cited: 6 (self = 1 & others = 5)

27. Chen, J., S.O. Pehkonen, C.-J. Lin, “Degradation of monomethylmercury chloride by

hydroxyl radicals in simulated natural waters”, Water Research 37 (5), 2496 - 2504 (2003), Impact Factor of Journal: 1.6. Number of Times Cited: 14 (self = 1 & others = 13)

28. Palit, A., S.O. Pehkonen “Copper Corrosion in Distribution Systems: The effect of

Ozonation and Biofiltration”, Corrosion, 59, 790 (2003), Impact Factor of Journal: 1.3. Number of Times Cited: 1 (self = 1 & others = 0)

29. Z. Yu and S.O. Pehkonen “Copper Corrosion Kinetics and Mechanisms in the Presence of

Chlorine and Orthophosphate”, Water Science and Technology, 49, 73 (2004). Impact Factor of Journal: 0.8. Number of Times Cited: 1 (self = 1 & others = 0)

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30. Q. Yang, S. O. Pehkonen, M.B. Ray “Evaluation of Three Different Lamp Emission Models Using Novel Application of Potassium Ferrioxalate Actinometry”, Industrial and Engineering Chemistry Research, 43, 948 (2004). Impact Factor of Journal: 1.7. Number of Times Cited: 3 (self = 1 & others = 2)

31. F. Chen, Q. Yang, S. O. Pehkonen and M.B. Ray “Modeling of Gas Phase

Photodegradation of Chlorinated VOCs”, Journal of The Air & Waste Management Association 54 (10): 1281-1292 (2004). Impact Factor of Journal: 1.5. Number of Times Cited: 1 (self = 1 & others = 0)

32. X. Wang, S.O. Pehkonen and A.K. Ray “Removal of Aqueous Cr(VI) by Combination of

Photocatalytic Reduction and Co-precipitation”, Industrial and Engineering Chemistry Research, 43, 1665-1672 (2004). Impact Factor of Journal: 2.3. Number of Times Cited: 19 (self = 1 & others = 18)

33. Z. Wang and S.O. Pehkonen “Oxidation of Elemental Mercury by Aqueous Bromine:

Atmospheric Implications”, Atmospheric Environment, 38, 3675 (2004). Impact Factor of Journal: 2.3. Number of Times Cited: 10 (self = 2 & others = 8)

34. Chen, J.P., Pehkonen, S.O., and Lau C.C. “Phorate and Terbufos Adsorption onto Four Tropical Soils,” Colloids and Surfaces A: Physicochemical and Engineering Aspects, Vol. 240, No. 1-3, pp. 55-61, (2004). Impact Factor of Journal: 1.6. Number of Times Cited: 13 (self = 0 & others = 13)

35. Wang, X. L., Pehkonen, S. O. and Ray, A. K., “Photocatalytic Reduction of Hg(II) on Two Commercial TiO2 Catalysts”, Electrochimica Acta, 49, 1435 (2004). Impact Factor of Journal: 2.3. Number of Times Cited: 24 (self = 0 & others = 24)

36. Y.S. Tan, Simon Y.M. Chooi, Chian-Yuh Sin, Ping-Yu Ee, M.P. Srinivasan, S.O.Pehkonen "Characterization of Low-k Dielectric Trench Surface Cleaning after a Fluorocarbon Etch" Thin Solid Films 462-63: 250-256 (2004). Number of Times Cited: 5 (self = 0 & others = 5)

37. Y.S. Tan, M.P. Srinivasan, S.O.Pehkonen and Simon Y.M. Chooi "Self-assembled organic thin films on electroplated copper for prevention of corrosion," Journal of Vacuum Science & Technology A 22, 1917-1925 (2004). Impact Factor of Journal: 2.1. Number of Times Cited: 15 (self = 2 & others = 13)

38. Paritam K. Dutta, Ajay K. Ray, Virender K. Sharma, and S. O. Pehkonen, Photocatalytic

Oxidation of Arsenic(III): Evidence of Hydroxyl Radicals”, Env. Sci. & Technol., 39, 1827-1834 (2005). Impact Factor of Journal: 3.5 Number of Times Cited: 35 (self = 0 & others = 35)

39. S.O. Pehkonen, Zaher Judeh, “Mechanisms of Interactions of Hg(II) and Demeton S: An NMR Study”, Env. Sci. & Technol., 39, 2586-2591 (2005). Impact Factor of Journal: 3.5 Number of Times Cited: 4 (self = 0 & others = 4)

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40. Y.S. Tan, M.P. Srinivasan, S.O. Pehkonen, S.Y.M. Chooi “Effects of Terminal Functionality on the Protective Properties of Benzenethiols on Copper”, Corrosion Science, 48, 8, 840-862 (2006). Impact Factor of Journal: 1.44. Number of Times Cited: 21 (self = 5 & others = 16)

41. Quan Yang, Simo O. Pehkonen and Madhumita B. Ray Performance Evaluation of Light Emission Models in Light Attenuating Media, Ozone-Science & Engineering 27 (6): 459-467, (2005). Impact Factor of Journal: 0.7. Number of Times Cited: 1 (self = 0 & others = 1)

42. Quan Yang, S. O. Pehkonen and Madhumita B. Ray “A Light Distribution Model For An Annular Reactor With A Cylindrical Reflector”, Ind. Eng. Chem. Res., 44, 3471-3479, (2005).

43. Quan Yang, Pei Ling Ang, Madhumita B. Ray And Simo O. Pehkonen “Light Distribution Field

In Catalyst Suspensions Within An Annular Photoreactor”, Chemical Engineering Science 60 (19): 5255-5268, 2005. Impact Factor of Journal: 2.1. Number of Times Cited: 14 (self = 0 & others = 14)

44. Quan Yang, S. O. Pehkonen and Madhumita B. Ray, Simulation of Radiation Field in a

Multilamp Photoreactor Using The LSDE Model, Canadian Journal of Chemical Engineering 83 (4): 705-711, 2005. Impact Factor of Journal: 0.6. Number of Times Cited: 1 (self = 0 & others = 1)

45. T. H. Merkel and S.O. Pehkonen, “Copper Corrosion in Domestic Drinking Water Installations – Scientific Background and Mechanistic Understanding of General Corrosion”, Corrosion Engineering Science and Technology, 41, 1, 21-37 (2006). Impact Factor of Journal: 0.8. Number of Times Cited: 2 (self = 0 & others = 2)

46. Pal A, Min X, Yu LE, Pehkonen SO, Ray MB, Photocatalytic inactivation of bioaerosols by TiO2

coated membrane, International Journal of Chemical Reactor Engineering 3: Nov., 2005. 47. Tan YS, Chooi SYM, Sin CY, Ee PY, Srinivasan MP, Pehkonen SO, “Angled XPS analysis of

low-k dielectric surfaces after cleaning” Ultra Clean Processing Of Silicon Surfaces VII Solid State Phenomena 103-104: 331-335, 2005.

48. Che-Jen Lin, Pruek Pongprueksa, Steve E. Lindberg, Simo O. Pehkonen,

Daewon Byun, Carey Jang "Scientific uncertainties in atmospheric mercury models I:Model science evaluation", Atmospheric Environment, 40, 16, 2911-2928, 2006. Impact Factor of Journal: 2.3. Number of Times Cited: 37 (self = 1 & others = 36)

49. S. J. Yuan and S.O. Pehkonen “Surface characterization and corrosion behavior of 70/30 Cu-Ni

alloy in pristine and sulfide-containing simulated seawater”, Corrosion Science, 49, 3, 2007, 1276-1304. Impact Factor of Journal: 1.4. Number of Times Cited: 10 (self = 4 & others = 6)

50. Sheng Xiaoxia, Ting Yen Peng, Simo Olavi Pehkonen “The Influence of Sulphate-

Reducing Bacteria Biofilm on The Corrosion of Stainless Steel AISI 316”, Corrosion Science, 49 (2007) 2159-2176.

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Impact Factor of Journal: 1.4. Number of Times Cited: 10 (self = 2 & others = 8)

51. Amrita Pal, Simo O. Pehkonen , Liya E. Yu , Madhumita B. Ray “Photocatalytic Inactivation of Gram positive and Gram negative Bacteria using Fluorescent Light”, J. Photochem. and Photobiol. A, 186, 2-3, 2007, 335-341. Impact Factor of Journal: 2.0. Number of Times Cited: 11 (self = 1 & others = 10)

52. F. J. Xu, S. J. Yuan, S. O. Pehkonen, E. T. Kang and K. G. Neoh “Antibacterial Surfaces of

Viologen-Quaternized Poly((2-dimethylamino)ethyl methacrylate)-Si(100) Hybrids from Surface-Initiated Atom Transfer Radical Polymerization”, Nanobiotechnology, 2, 2007, 1-12.

53. J.S. Zhang, R.S. Stanforth, S.O.Pehkonen, “Effect of replacing a hydroxyl group with a methyl

group on arsenic (V) species adsorption on goethite (α-FeOOH)”, J. Colloid and Interface Science, 306, 16-21, 2007. Impact Factor of Journal: 2.3. Number of Times Cited: 9 (self = 2 & others = 7)

54. Xiaoxia Sheng, S.O. Pehkonen, Y.-P Ting ”Force Measurements of Cell Adhesion on Metals using Cell Probes in Atomic Force Microscopy”, J. Colloid and Interface Science, 310, 2, 2007, 661-669. Impact Factor of Journal: 2.3. Number of Times Cited: 10 (self = 2 & others = 8)

55. S. J. Yuan, S. O. Pehkonen, Effect of aerobic Pseudomonas NCIMB 2021 bacteria on the passive

film stability of 304 stainless steel, Colloids and Surfaces B: Biointerfaces, 59, 2007, 87-99. Impact Factor of Journal: 1.3. Number of Times Cited: 14 (self = 3 & others = 11)

56. S. J. Yuan, Amy M. F. Choong, S. O. Pehkonen, “The influence of the marine aerobic Pseudomonas strain on the corrosion of 70/30 Cu-Ni alloy”, Corrosion Science, 49, 2007, 4352- 4385.

Impact Factor of Journal: 1.4. Number of Times Cited: 4 (self = 2 & others = 2)

57. S. J. Yuan, F. J. Xu , E.T. Kang, S.O. Pehkonen “Surface Modification of Cu-Ni Alloy by grafting of Viologens for Inhibiting Microbiologically Influenced Corrosion”, Journal of the Electrochemical. Society, Volume 154, Issue 11, pp. C645-C657 (2007). Impact Factor of Journal: 2.9. Number of Times Cited: 5 (self = 4 & others = 1)

58. Che-Jen Lin, Pruek Pongprueksa, O. Russell Bullock Jr., Steve E. Lindberg, Simo O. Pehkonen, Carey Jang, Thomas Braverman, and Thomas C. Ho “Scientific Uncertainties in Atmospheric Mercury Models II: Sensitivity Analysis in the CONUS Domain”, Atmospheric Environment, Volume 41, Issue 31, October 2007, Pages 6544-6560. Impact Factor of Journal: 2.3. Number of Times Cited: 8 (self = 0 & others = 8)

59. Sheng Xiaoxia, Ting Yen Peng, Simo Olavi Pehkonen “Evaluation of an Organic Corrosion

Inhibitor on Abiotic Corrosion and Microbiologically Influenced Corrosion of Mild Steel.”, Industrial & Engineering Chemistry Research Oct 2007, Vol. 46, Issue 22, p 7117-7125. Impact Factor of Journal: 2.3. Number of Times Cited: 3 (self = 0 & others = 3)

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60. Junshe Zhang, R. S. Stanforth, PhD; S.O. Pehkonen “Proton-arsenic Adsorption Ratios and Zeta

Potential Measurements: Implications for Protonation of Hydroxyls on the Goethite Surface” , Journal of Colloid and Interface Science, 315, 2007, 13-20.

61. J.S. Zhang, R. Stanforth and S.O. Pehkonen “Irreversible adsorption of methyl arsenic, arsenate, and phosphate onto goethite in arsenic and phosphate binary systems” Journal of Colloid and Interface Science, 317, 35-43, 2008.

Impact Factor of Journal: 2.3. Number of Times Cited: 3 (self = 0 & others = 3)

62. S.J. Yuan , S.O. Pehkonen , F.J. Xu, E.T. Kang “Modification of Surface-Oxidized Copper Alloy by Coupling of Viologens for Inhibiting Microbiologically Influenced

Corrosion” Journal of The Electrochemical Society, 154, 11, C645-C657, 2007. 63. Nguyen Thi My Phuc, Yen Peng Ting, Simo Olavi Pehkonen, Xiaoxia Sheng” Biocorrosion of

AISI 304 Stainless Steel by Desulfovibrio desulfuricansin Seawater.”, Industrial & Engineering Chemistry Research Jun 2008, Vol. 47 Issue 14, p 4703-4711.

Number of Times Cited: 1 (self = 0 & others = 1)

64. Amrita Pal, Simo O. Pehkonen , Liya E. Yu, Madhumita B. Ray ”Photocatalytic Inactivation of

Airborne Bacteria in a Continuous-Flow Reactor”, Industrial & Engineering Chemistry Research, 47, 7580-7585 (2008).

65. Sheng, Xiaoxia, Ting, Yen Peng, Pehkonen, Simo Olavi ” The influence of ionic strength, nutrients and pH on bacterial adhesion to metals”, Journal of Colloid & Interface Science May 2008, Vol. 321, Issue 2, p 256-264.

Impact Factor of Journal: 1.3. Number of Times Cited: 5 (self = 0 & others = 5)

66. S. J. Yuan, S. O. Pehkonen,Y. P. Ting, E. T. Kang and K. G. Neoh “ Corrosion Behavior of Type 304 Stainless Steel in a Simulated Seawater-Based Medium in the Presence and Absence of Aerobic Pseudomonas NCIMB 2021 Bacteria” Ind. Eng. Chem. Res. 2008, 47, 3008-3020.

67. S.J. Yuan, C.K. Liu, S.O. Pehkonen, R.B. Bai, K.G. Neoh, Y.P. Ting and E.T. Kang

“Surface functionalization of Cu–Ni alloys via grafting of a bactericidal polymer for inhibiting biocorrosion by Desulfovibrio desulfuricans in anaerobic seawater”, Biofouling, 25(2),109-125 (2009). Number of Times Cited: 2 (self = 1 & others = 1)

68. S. J. Yuan, F. J. Xu, S. O. Pehkonen, Y. P. Ting, E. T. Kang and K. G. Neoh “Biocorrosion Behavior of Titanium Oxide/Butoxide-Coated Stainless Steel”, Journal of The Electrochemical Society, 155 (5), C196-C210 (2008). Impact Factor of Journal: 2.9. Number of Times Cited: 5 (self =4 & others = 1)

69. Yuan S.J., Pehkonen S.O., AFM study of microbial colonization and its deleterious effect on 304 stainless steel by Pseudomonas NCIMB 2021 and Desulfovibrio desulfuricans in simulated seawater, Corrosion Science 51 (2009) 1372–1385.

Impact Factor of Journal: 2.1. Number of Times Cited: 0 (self =0 & others = 0)

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70. Yuan S.J., Pehkonen S.O., Ting Y.P., Neoh K.G., Kang E.T. Inorganic-organic hybrid

coatings on stainless steel by layer-by-layer deposition and surface-initiated atom transfer radical polymerization for combating biocorrosion, ACS Applied Materials & Interfaces, 1 (3), 640-652 (2009) (other cited: 0, self cited: 0)

71. Yuan S.J., Xu F.J., Pehkonen S.O., Ting Y.P., Neoh K.G., Kang E.T., Grafting of antibacterial polymers on stainless steel via surface-initiated atom transfer radical polymerization for inhibiting

biocorrosion by Desulfovibrio desulfuricans, Biotechnology and Bioengineering, Volume 103, Issue 2, June 2009, Pages: 268-281.

72. S. J. Yuan, S.O. Pehkonen, Y.P. Ting, K.G. Neoh and E.T. Kang “Antibacterial Inorganic-

Organic Hybrid Coatings on Stainless Steel via Consecutive Surface-Initiated Atom Transfer Radical Polymerization for Biocorrosion Prevention”, Langmuir, 2010, 26 (9), pp 6728–6736.

73. Shaojun Yuan, S.O. Pehkonen, Bin Liang, Y.P. Ting, K.G. Neoh and E.T. Kang “Poly(1- vinylimidazole) Formation on Copper Surfaces via Surface-Initiated Graft Polymerization for Corrosion Protection” Corrosion Science, 52 (2010) 1958–1968. 7. SUBMITTED JOURNAL ARTICLES

1. Xiaoling Wang, Simo O. Pehkonen#, Jaakko Rämö Marja Väänänen, and Kari Laasonen Study of the Photocatalytic Activity of Nitrogen Doped Degussa P25 TiO2

toward As(III) Oxidation: Experimental and Computational Aspects Submitted to J. colloid and interface Science, July 2010.

8. PUBLICATION IN BOOKS

1. Advanced Oxidation Processes, in Advanced Physicochemical Treatment Processes, M. B. Ray, J. Paul Chen, Lawrence K. Wang, Simo Olavi Pehkonen, in Handbook of Environmental Engineering, Volume 4, Edited by Lawrence K. Wang, Yung-Tse Hung and Nazih K. Shammas, Humana Press, Inc. NJ, USA, January 2006.

2. J. Paul Chen, Shuaiwen Zou, Simo Olavi Pehkonen, Yung-Tse Hung, Lawrence K. Wang (2004) “Explosive Wastewater Treatment”, Chapter 26, In: ”Handbook of Industrial and Hazardous Wastes Treatment”, Lawrence K Wang, Yung-Tse Hung, Howard H. Lo, Constantine Yapijakis, Editors, Kathleen Hung Li, Consulting Editor, 2nd Edition, Marcel Dekker, Inc., New York, ISBN: 0-8247-4114-5, pp. 1113-1124.

3. X. Sheng, Y.P, Ting and S.O. Pehkonen ”Chapter 5: Force Measurements of Bacterial Adhesion to Metals using A Cell Probe in Atomic Force Microscopy” in Biofouling: Types, Impact and Anti-Fouling, Ed. Jun Chan and Shing Wong, Nova Science Publishers, 2010.

9. PEER-REVIEWED CONFERENCE PROCEEDINGS 1. Pehkonen, S. O., Erel, Y., Hoffmann, M.R.: "Redox Chemistry of Iron in a Multiphase

Atmosphere", Proceedings from the Air and Waste Management Association Meeting, Cincinnati, OH, June 1994.

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10. OTHER PUBLICATIONS 11. INVITED TALKS 1. Redox Chemistry of Iron in Clouds and Fogs, University of Delaware, Dept. of Marine

Sciences, Lewes, DE, March, 1992, (Thomas Church, contact). 2. Simultaneous Determination of Iron(II) and Iron(III) in Atmospheric Water, Oregon State University, Dept. of Chemistry, July 1992 (John Westall, contact). 3. Photoreduction of Iron Oxyhydroxides in the Presence of Important Atmospheric Organic

Acids, University of Helsinki, Dept. of Physical Chemistry, April, 1993. (Lauri Halonen, contact).

4. Redox Chemistry of Iron in a Multiphase Atmosphere, New Mexico Institute of Mining

and Technology, Dept. of Chemistry, November, 1993. (Carl Popp, contact) 5. Photoreduction of Iron Oxyhydroxides and Photooxidation of Halogenated Acetic Acids,

Woods Hole Oceanographic Institute, Woods Hole, MA, February, 1994. (James Moffett, contact).

6. Redox Chemistry of Iron in a Multiphase Atmosphere, Harvard University, Dept. of Earth and Planetary Sciences, February, 1994. (Daniel Jacob, contact). 7. Photoreduction of Iron Oxyhydroxides by Organic Acids, Drexel University, Dept. of Chemistry, Philadelphia, PA, March, 1994. (Jack Kay, contact). 8. Photoreduction of Iron Oxyhydroxides and Photooxidation of Halogenated Acetic Acids, University of Helsinki, Dept. of Physics, August, 1994. (Markku Kulmala, contact). 9. Atmospheric Mercury Chemistry, University of Rochester, November, 1996. (Ariel Anbar, contact). 10. Atmospheric Mercury Chemistry, Purdue University, February, 1997. (Inez Hua, contact). 11. Organophosphorus Pesticide Transformations in Aquatic Systems, California EPA, California Regional Water Quality Control Board, Oakland, CA, April 1997. (James Nusrala, contact). 12. Radical Chemistry of Mercury - Its Role in Atmospheric Mercury Transformation, Tampere University of Technology, Finland, September, 1997 (Jaakko Puhakka, contact). 13. Organophosphorus Pesticide Hydrolysis in Simulated Environmental Systems: Rates,

Mechanisms and Product Studies, Tampere University of Technology, Finland, September, 1997 (Jaakko Puhakka, contact).

14. Radical Chemistry of Mercury - Its Role in Atmospheric Mercury Transformation, University of Amsterdam, September, 1997 (Kees Olie, contact). 15. Atmospheric Mercury Chemistry, California Institute of Technology, Pasadena, CA, November, 1998. (Michael Hoffmann, contact).

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16. Atmospheric Mercury Chemistry, University of Helsinki, Dept. of Physical Chemistry,

December, 1998. (Raimo Timonen, contact). 17. Atmospheric Mercury Chemistry, Univ. of Minnesota, Minneapolis, MN, April 1999.

(Patrick Brezonik, contact). 18. Copper Corrosion in Simulated Drinking Water, Hong Kong Univ., June 17, 2004 (Host

Prof. KY Chan).

19. Removal of Aqueous Cr(VI) by Combination of Photocatalytic Reduction and Co-precipitation, HKUST Sept. 23, 2004 (A/P Irene M.C. Lo).

20. Effects of Terminal Functionality on the Protective Properties of Benzenethiols on

Copper, GA Tech, November 11, 2005 (Prof. Ted Russell). 21. Effects of Terminal Functionality on the Protective Properties of Benzenethiols on

Copper, Cal Tech, November 10, 2005 (Prof. MR Hoffmann). 22. Effects of Terminal Functionality on the Protective Properties of Benzenethiols on

Copper, Harvard University, September 8, 2006 (Prof. ST Martin). 23. Effects of Terminal Functionality on the Protective Properties of Benzenethiols on

Copper, MIT, September 22, 2006 (Prof. Gschwend).

24. Cewic, a Finnish Water Cluster presentation, Singapore international Water Week, June 2009.

25. Copper Corrosion in the Presence of Chloramine, Tsinghua University, Beijing China, October 28, 2009 (Prof. Zhang, host).

26. Dynamic Redox Chemistry of Mercury: Experimental and Modeling Studies, SUNY (Stony Brook), February 14, 2010 (Prof. Orlov, host).

12. CONFERENCE PRESENTATIONS 1. Erel Y., Pehkonen S. O., Hoffmann M. R.: "Redox Chemistry of Iron in Fog and

Cloudwater", Proceedings from AGU Fall Meeting, San Francisco, CA, December 5-9, 1991.

2. Pehkonen S. O., Erel Y., Hoffmann M. R.: "Redox Chemistry of Fe(II) and Fe(III) in

Cloudwater", Proceedings from ACS Spring Meeting, San Francisco, CA, April 6-10, 1992.

3. Pehkonen S. O.: "Analytical Chemistry of Iron in Cloudwater", Proceedings from ACS Fall Meeting, Washington, DC, August 23-28, 1993. 4. Pehkonen S. O., Erel Y., Siefert R. L., Hoffmann M. R.: "Photoreduction of Iron Oxyhydroxides in the Presence of Important Atmospheric Organic Compounds", Proceedings from AGU Fall Meeting, San Francisco, CA, December 6-10, 1993. 5. Pehkonen S. O., Siefert R. L., Hoffmann, M. R.: "Photoreduction of Iron

Oxyhydroxides in the Presence of Halogenated Acetic Acids: Implications for

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Tropospheric Chemistry", Proceedings from ACS Spring Meeting, San Diego, CA, March 13-18, 1994.

6. Pehkonen S. O., Caruso J. A.: "The Application of HPLC-ICPMS to Study Metal Speciation in Atmospheric and Surface Waters", WEF Conference "Testing the Waters", Cincinnati, OH, August 13-16, 1995. 7. Pehkonen S. O., Dannenberg A.: "Iron Oxide Catalyzed Photodegradation of Selected

Organophosphorus Pesticides: Implications For Aquatic Fate", Proceedings from ACS Fall Meeting, Chicago, IL, August 20-24, 1995.

8. Pehkonen S. O., Siefert R. L., Hoffmann M. R.: "Photoreduction of Iron Oxyhydroxides

and Photooxidation of Halogenated Acetic Acids", Proceedings From European Aerosol Conference, Helsinki, Finland, September 18-22, 1995.

9. Dannenberg A., Pehkonen S. O. "Homogeneous and Heterogeneous Hydrolysis of

Selected Phosphoric and Thiophosphoric Acid Esters: Rates and Mechanisms", Environmental Chemistry Workshop, Ohio State University, Columbus, OH, October 7-8, 1995.

10. Lin, Che-Jen, Pehkonen, S. O. "Aqueous Photochemistry of Mercury with Organic

Acids", Environmental Chemistry Workshop, Purdue University, West Lafayette, Indiana, October 8-9, 1996.

11. Lin, Che-Jen, Pehkonen, S. O. "Heterogeneous Mercury Chemistry in the Atmosphere", American Association of Aerosol Research Conference, Orlando, FL, October 14-18, 1996. 12. Hong, Feng, Pehkonen, S. O. "Rates, Mechanisms and Product Studies of Phorate Hydrolysis using Simulated Environmental Conditions", American Chemical Society Spring Meeting, San Francisco, CA, April 13-17,1997. 13. Lin, Che-Jen, Pehkonen, S. O. "Aqueous Free Radical Chemistry of Mercury with

Organic Acids", American Chemical Society Spring Meeting, San Francisco, CA, April 13-17,1997.

14. Dannenberg A., Pehkonen, S. O. "Homogeneous and Heterogeneous Hydrolysis of Selected Organophosphorus Pesticides: Rates and Mechanisms", American Chemical Society Spring Meeting, San Francisco, CA, April 13-17,1997. 15. Lin, Che-Jen, Pehkonen, S. O. "Two-Phase Model of Mercury Chemistry in the Atmosphere", Combustion Research Association Meeting, Dayton OH, June 25-27, 1997. 16. Zhang, Qi, Hong, Feng, Pehkonen, Simo, Siddiqui, Kaniz "Use of Microtox to Measure

Toxicity in Wastewater at a Wastewater Treatment Facility", Environmental Laboratories: Moving Toward the 21st Century, WEF Meeting, Philadelphia, PA, August 3-6, 1997.

17. Lin, Che-Jen; Pehkonen, S. O. "Modeling of Atmospheric Mercury Chemistry in Cloud

Droplets", 1997 International Conference on Aerosol Technology/Environmental Measurement and Control, Taipei, Taiwan.

18. Hong, Feng and Pehkonen, S. O. "Hydrolysis of Phorate: Rates, Mechanisms and

Product Studies", Environmental Chemistry Workshop, Indiana University, Bloomington, Indiana, November 8-10, 1997.

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19. Lin, Che-Jen; Pehkonen, S. O. "Aqueous Phase Reactions of Mercury with Free Radicals

and Chlorine: Implications for Atmospheric Mercury Chemistry", IUPAC Conference on the Degradation Processes in the Environment, Dubrovnik, Croatia, May 1998.

20. Lin, Che-Jen; Pehkonen, S. O. "Oxidation of Elemental Mercury by Aqueous Chlorine:

Implications for Tropospheric Mercury Chemistry", Annual Conference of the American Association of Aerosol Research, Cincinnati, Ohio, June 1998.

21. Palit, Abhijit; Pehkonen, S. O. “Copper Corrosion: Effect of Specific Water Quality

Parameters”, Annual Water Quality Technology Conference, San Diego, CA, Nov. 1-5, 1998.

22. Lin, Che-Jen; Pehkonen, S. O. "Oxidation of Elemental Mercury by Chlorine and

Bromine in The Aqueous Phase: Implications for Atmospheric Mercury Chemistry", Fall Meeting of the American Geophysical Union, San Francisco, CA, Dec. 1998.

23. Lin, Che-Jen; Pehkonen, S. O. "Aqueous Phase Reactions of Mercury with Free Radicals

and Chlorine: Implications for Atmospheric Mercury Chemistry", The 5th International Conference on Mercury as a Global Pollutant, Rio De Janeiro, Brazil May 1999.

24. Pehkonen, S. O.; Lin, Che-Jen "Aqueous Phase Reactions of Mercury with Free Radicals

and Chlorine: Implications for Atmospheric Mercury Chemistry", ACS Annual Joint SE-SW Meeting, New Orleans, USA, Dec. 5-8, 2000.

25. Pehkonen, S.O.; Chen, J. “Methylmercury-OH Radical Reaction Kinetics and

Mechanisms”, ACS Biannual Meeting, San Diego, CA, USA, April 1-5, 2001. 26. Pehkonen, S.O.; Chen, J. “Methylmercury-OH Radical Reaction Kinetics and

Mechanisms”, the 6th International Conference on Mercury as a Global Pollutant, Minamata, Japan, October, 2001.

27. Yu, Z.; Pehkonen, S.O. Copper Corrosion Kinetics in the Presence of Orthophosphate

and Aqueous Chlorine, 1st Specialy Conference on Scales and Corrosion, IWA, Cranfield University, England, March 25-27, 2003.

28. Z. Wang and S.O. Pehkonen “Oxidation of Elemental Mercury by Aqueous Bromine:

Atmospheric Implications, the 7th International Conference on Mercury as a Global Pollutant, Ljubljana, Slovenia, June, 2004.

29. Z. Judeh and S.O. Pehkonen, “Mechanisms of Interactions of Hg(II) and Demeton S: An

NMR Study”ACS National Meeting, Washington, DC, August 2005. 30. Paritam K. Dutta, Ajay K. Ray, Virender K. Sharma, and S. O. Pehkonen, “Photocatalytic

Oxidation of Arsenic(III): Evidence of Hydroxyl Radicals”, ACS National Meeting, Washington, DC, September 2006.

13. TEACHING AND RESEARCH GRANTS AND CONTRACTS Proposal Source Amount The speciation of Cr, Cu, Mn and Fe in the surface organic microlayer URC $5,000

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Duration: 1/95-1/97 Quantification and Removal of Azo Dyes and Copper Phthalocyanine in Municipal Waste Waters City of Cincinnati $45,000 Duration: 11/95-10/96 co-PI, Bishop as PI (33% effort) Electrochemical Reduction of Dinitrotoluene US Army $67,250 Duration: 3/96-12/96 Toxicity of Industrial Effluents City of Cincinnati $105,000 and Wastewater Influents: (33% effort) Linkage to Pesticides and Other Organic Compounds Duration: 5/97-7/98 co-PI, Bishop as PI Electrochemical Degradation of US Army $69,500 Dinitrotoluene Duration: 6/97-6/98 Copper Corrosion in USEPA $300,000 Pipes of Water Distribution (25% effort) Systems Duration: 7/97-10/98 co-PI, Summers as PI Use of Reclaimed Magnesium Hydroxide as a Wastewater Treatment Reagent OCDO $500,000 (25% effort) Duration: 12/97-11/99 co-PI with Bishop and Keener Electrochemical Reduction of US Army $133,000 Energetically Contaminated Wastewater Duration: 12/97-6/99 Electrochemical Reduction of US Army $110,000 Energetically Contaminated Wastewater: Development and Testing of Pilot Scale Reactor Duration: 12/98-12/99 The Degradation of Methylmercury by Aqueous Radicals in Natural Waters National University of Singapore $S65,000 Duration: 12/99-12/02 Copper Corrosion in Water Distribution Systems: The Effect of Chloramines National University of Singapore $S18,000 Duration: 02/02-02/04 Sulfide Induced Degradation of Organophosphorus Pesticides National University of Singapore $S41,100 Duration: 02/03-02/05 Development of Anti-Microbial National University of Singapore $S162,400

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TiO2 Photocatalyst for Prevention of Membrane Biofouling Duration: 12/05-12/08 Electrochemical and Surface National University of Singapore $S128,700 Analytical Techniques to Determine Metal Corrosion Rates & Mechanisms on Microbe-Covered Surfaces Duration: 12/05-12/08 Destruction of Organic Compounds National University of Singapore $S250,000 and Reduction of Toxic Heavy Metal Ions Using Chemically Modified Titanium Dioxide Duration: 03/06-03/09 The Aquatic Chemistry of Aluminium Academy of Finland € 885,000 Silicates; Kinetics and Dynamics Duration: 01/10-01/14 14. GRADUATE STUDENTS ADVISED Thesis Advisor Ph.D. 1. Che-Jen Lin Sept. 1995 - Aug. 1998 Mercury Chemistry in the Atmosphere Currently an associate professor at Lamar University 2. Feng Hong Oct. 1995 – June 1999 Hydrolysis of Phorate and Terbufos using Simulated Environmental Conditions Currently employed at the USEPA 3. Yang Quan (at NUS) May 2001 – July 2004 Photochemical reactor modeling and evaluation Currently employed by Sulzer Ltd in Singapore 4. Amrita Pal (at NUS) August 2003- December 2006 Photocatalytic Deactivation of Indoor Microorganisms 5. Yuan Shaojun (at NUS) May 2003 – June 2007 Biologically Induced Corrosion of Metals 6. Sheng Xiaoxia (at NUS) May 2003 – June 2007 MIC of Stainless Steels in Simulate Seawater Master's 1. Jennifer Jolas Sept. 1995 - July 1997 Electrochemical Degradation of 2,4-DNT Currently employed at Mead Corp. 2. Abhijit Palit Sept. 1996 - Jan. 1999 Copper Corrosion in Distribution Systems

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Currently employed at SAIC, Washington, DC. 3. Qi Zhang Sept. 1996 - Oct. 1998 Diazinon Oxidation by Aqueous Chlorine Currently a researcher at Malcolm Pirnie, Columbus, Ohio, USA. 4. Meenaks Devakumaran Dec. 1996 - Sept. 1998 Electrochemical Degradation of 2,4-DNT: Modeling and Product Studies Currently employed at Dames & Moore, Washington, D.C. 5. Andrea Dannenberg Oct. 1994 - Oct. 1996 Organophosphorus Pesticide Hydrolysis Currently employed at Procter and Gamble, Cincinnati, OH. 6. Manish Mehta Jan. 1998 – June 1999 Electrochemical Reduction of Energetically Contaminated Wastewater Currently a doctoral student at MIT 7. Chen Jing Jul. 1999 – July 2001 currently a Ph.D. student at Texas A & M, USA 8. Song Jiaquan Jul. 1999 – June 2001 currently a Ph.D. student in computer science, McMaster Univ., Canada. 9. Zhang Xiaohui Jul. 1999 – Aug. 2001 currently working in Beijing, China 10. Chen Feiyan Jan. 2000 – Dec. 2001 currently a Ph.D. student at Kansas State Univ., USA 11. Swe Swe Min March 2000 – March 2002 currently a lecturer at a Junior College, Singapore 12. Wang Xiaoling January 2001-January 2003 currently looking for a position in Singapore 13. Wang Zhi July 2001- July 2003 14. Yu Zhe January 2002- January 2004 15. Wu Weimin January 2003- July 2004 16. Gu Ling January 2003- July 2004 17. Xu Min January 2003- July 2004 18. Tan Yong Siang July 2003 - July 2005 19. Rita Farida Yunus July 2006- June 2007 15. SUMMARY OF COURSES TAUGHT AND DEVELOPED Number Title Credit Hours Quarter/Year Class Size

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At Univ. of Cincinnati 1. CEE647 Chem. Princ. Env. Systems 4 1/94-95 43 2. CEE658 Env.Instrumentation 3 2/94-95 9 3. CEE352 Env. Lab 2 3/94-95 37 4. CEE647 Chem. Princ. Env. Systems 4 1/95-96 50 5. CEE658 Env. Instrumentation 3 2/95-96 10 6. CEE271 Env. Eng. I 4 2/95-96 44 7. CEE 648 Env. Chem. Lab 1 1/96-97 26 8. CEE 647 Chem. Princ. Env. Systems 4 1/96-97 57 9. CEE 658 Env. Instrumentation 3 2/96-97 10 10. CEE 271 Env. Eng. I 4 3/96-97 34 11. CEE647 Chem. Princ. Env. Systems 4 1/97-98 20 12. CEE640 Env. Chem. for Managers 3 1/97-98 10 13. CEE648 Env. Chem. Lab 1 1/97-98 7 14. CEE658 Env. Instrumentation 3 2/97-98 10 15. CEE652 Adv. Topics in Env. Chem. 3 3/97-98 5 16. CEE 647 Chem. Princ. Env. Systems 4 1/98-99 38 17. CEE658 Env. Instrumentation 3 2/98-99 12 18. CEE652 Adv. Topics in Env. Chem. 3 3/97-98 5 At NUS Lect. Hours Year Enrollment

19. EV5001 Basic Environmental Science 26 1/99-00 52 20. EV5101 Aquatic Chemistry 39 2/99-00 27 21. EV5001 Basic Environmental Sciences 26 1/00-01 45 22. EV5101 Aquatic Chemistry 39 2/00-01 22 23. TC1403 Analytical Chemistry 18 2/00-01 39 24. EV5001 Basic Environmental Sciences 26 1/01-02 45 25. EV5001 Basic Environmental Sciences 26 2/01-02 42

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26. EV5111 Adv. Air and Water Chem. 20 2/01-02 14 27. TC1403 Analytical Chemistry 18 2/01-02 37 28. EV1403 Global Environmental Issues 20 1/02-03 76 29. TC1403 Analytical Chemistry 18 2/02-03 38 30. EV5001 Basic Environmental Sciences 39 2/02-03 60 31. EV5111 Adv. Air and Water Chem. 20 2/02-03 10 32. GEK1522 Global Environmental Issues 20 1/03-04 100 33. TC1403 Analytical Chemistry 18 2/03-04 50 34. EV5001 Basic Environmental Sciences 26 2/03-04 45 35. UPC2201 Chemicals and Us (at USP) 39 2/03-04 33 36. GEK1522 Global Environmental Issues 20 1/04-05 100 37. TC1403 Analytical Chemistry 18 2/04-05 42 38. EV5001 Basic Environmental Sciences 26 2/04-05 6 39. UPC2201 Chemicals and Us (at USP) 39 2/04-05 33 40. GEK1522 Global Environmental Issues 20 1/05-06 180 41. UPC2201 Chemicals and Us (at USP) 39 2/05-06 33 42. ESE5607 Green Catalysis 39 2/05-06 21 43. ESE2001 Intro to Env. Eng. 13 2/05-06 29 44. TC1403 Analytical Chemistry 18 2/05-06 47 45. UPC2201 Chemicals and Us (at USP) 39 1/06-07 22 46. ESE5607 Green Catalysis 39 1/06-07 21 16. SHORT COURSE PARTICIPATION 17. OTHER TEACHING RELATED ACTIVITY

Gave a 10-hour corrosion workshop at University of Oulu, December 1-2, 2004, Oulu, Finland. Hosted a Caltech undergraduate student, Keving Peng, on his SURF program, June-September, 2004.

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Gave a lecture in the 1995 Graduate Teaching Effectiveness Workshop at University of Cincinnati.

Gave a 20-hour short course on environmental chemistry at Tampere University of Technology, Finland, September 1996. Gave a 20-hour short course on environmental chemistry at Tampere University of Technology, Finland, March 1999. Gave a 20-hour short course on environmental chemistry at Tampere University of Technology, Finland, September 2000. Gave a 20-hour short course on environmental chemistry at Tampere University of Technology, Finland, March 2003.

Hosted a NASA Sharp Plus student from Arkansas, Laura Brinkmeyer, in my lab during eight weeks in the summer of 1997.

Mentored a high school student, Shannon Bowdren, from St. Ursula Academy, during the winter of 1997 for her Ohio Buckeye Science Competition. She used my laboratory to conduct the experiments and she won the competition.

Participated in the Howard Hughes Initiatives in Biology Program, two high school teachers have worked in my lab, Mary O'Donnell during the summer of 1996 and Andy Zureick during the summer of 1997.

Served as a Faculty Advisor, Triangle Fraternity, University of Cincinnati, January 1996-May 1999.

18. COMMITTEE SERVICE Thesis Committees Ph.D. 1. Weijiong Li, Chem. Eng. 2. Margaret Kupferle, Env. Eng. 3. Jun Wang, Env. Eng. 4. Tim Owens, Env. Eng. 5. Chang Yu-Wu, Env. Eng. 6. Thomas Speth, Env. Eng. 7. Francis Lee Smith, Env. Eng. 8. Margarete Koechling, Env. Eng. 9. Susan Durlak, Env. Eng.

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10. Guixiang Yang, Env. Eng. 11. Anthony Zimmer, Env. Eng. 12. Guang Li, Env. Eng. 13. Amid Khoudadoust, Env. Eng. 14. Chi-Cheng Leng, Chem. Eng. 15. Christina Alonso, Env. Eng. 16. Nazim Cicek, Env. Eng. 17. Tat Ebihara, Env. Eng. 18. Teddy Lee, Env. Eng. 19. Joydeep Mukherjee, Env. Eng. Master's 1. Marcus Dryfuse, Env. Eng. 2. Hans Winnen, Env. Eng. 3. Vickie Steed, Env. Eng. 4. Donald Swanger, Env. Eng. 5. Timothy Orton, Env. Eng. 6. Daniel Anderson, Env. Eng. 7. Qin Zhou, Env. Eng. 8. Ron McAdams, Env. Eng. 9. Mark Smith, Env. Env. 10. John Weber, Env. Eng. 11. Andrew Wolf, Env. Eng. 12. Laura Hatchett, Env. Eng. 13. Amsu Rabjhandari, Env. Eng. 14. Ashutosh Aman, Env. Eng. 15. Scott Smith, Env. Eng. College Committees at University of Cincinnati

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1. College Computing Committee 1997 (revising undergraduate computer science curriculum), Hal Carter, Chair.

2. URC Summer Student Fellowship Evaluation Committee, Spring 1997. Departmental Committees at University of Cincinnati 1. Qualifying Exam Committee, December 1994-June 1995, member; December 1995- June 1996, head. 2. Departmental Safety Committee, January 1995- Jan. 07, member. 3. Departmental Safety Committee, April 1998- Jan. 07, head. 4. Admissions Committee, March 1995-May 1997, member. 5. Admissions Committee, February 1996-May 1997, head. Committees at NUS

Division Outreach Comm., June 05 – Jan. 07 Division Rep. to FoE Outreach Comm., June 05 – Jan. 07 Division Recruitment Comm., May 05 - Jan. 07 Dept. PR Committee, May 00 – July 05 Dept PG Committee, December 03 – July 05 Faculty PR (Public Relations) Committee, October 00 - Jan. 07 RN Faculty Newsletter Committee (Dept. Rep.), July 00 – Jan. 07 RN Faculty Newsletter Committee (Chairman January 03 – Jan. 07 Dept. Curriculum Committee, September 00 – September 03 FABC (i.e., Curriculum) Committee, September 01-September 03 Head of Dept. ABET2000 committee, Sep. 01-.September 03 Member of Special Env. Eng. Task Force, Feb. 2002-Nov. 2003

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19. PROFESSIONAL AFFILIATIONS American Chemical Society 20. REVIEWER & EDITORIAL BOARD MEMBERHSIP Reviewer for Air and Waste Management Association, National Science Foundation, Environmental Science and Technology, Chemosphere, Journal of Environmental Engineering, Journal of Agricultural and Food Chemistry, Corrosion Science, Journal of Geophysical Research-Atmospheres and American Chemical Society-Petroleum Research Fund, University of New South Wales. Panel member of A-STAR (Singapore) Panel on the direction of future ENVIRONMENTAL TECHNOLOGIES in Singapore and the World, 2004-2005. Editorial Board Membership, Journal of Environmental Science And Health, Part A Toxic/Hazardous Substance & Environmental Engineering May 2006- January 2009. External Advisor/Collaborator on a research grant by Chen Zhong (NTU, Singapore) Singapore’s National Research Foundation (NRF) entitled “Low-temperature Solution-processed Protonated Titanium Oxides for Photocatalytic Applications”. January 21-February 5, 2009 and January 2- January 16, 2010. 21. CONFERENCE SESSIONS CHAIRED Co-organized a special symposium on metals pollution in the environment with Prof. Pratim Biswas, April 1996. Co-chaired a session in the American Chemical Society 1997 Spring Meeting in San Francisco titled "Degradation of Chemicals with Significant Environmental Impact". Chaired a session in IUPAC Conference on the Degradation Processes in the Environment, Dubrovnik, Croatia, May 1998. Panelist at the annual meeting of the Air and Waste Management Association, San Diego, June 1998. Co-chaired a session in the 6th International Conference on Mercury as a Global Pollutant, Minamata, Japan, October, 2001. Chaired a session at the ACS National Meeting in the Environmental Chemistry Section on Environmental Catalysis, San Francisco, CA, September, 2006. 22. CONSULTING ACTIVITIES Messer Construction Company (Cincinnati, Ohio), City of Cincinnati, Matcor (Singapore), Chartered Semiconductor Manufacturing (Singapore), Ecolator (Oulu, Finland), EnviTop (Oulu, Finland). 23. PATENTS 24. REFERENCES

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Prof. Michael R. Hoffmann, Caltech, 1200 E California Blvd., Mail Code 138-78, 105 W. Keck Laboratories, Pasadena, CA 91125, Tel: 626-395-4391, Fax: 626-395-2940, e-mail: mrh@caltech.edu Prof. Riitta Keiski, University of Oulu Head of the MASS AND HEAT TRANSFER PROCESS LABORATORY and Vice Rector Phone: 358-8-553 2348 E-mail: riitta.keiski@oulu.fi Prof. Janet Hering, Director of EAWAG, Ueberlandstrasse 133 P. O. Box 611, 8600 Duebendorf Switzerland, Phone +41 44 823 5001, Fax +41 44 823 5398 email: Janet.Hering@eawag.ch

Assoc. Prof. Lianfa Song, formerly at Div. Env. Sci. & Eng., NUS, now at Texas Tech, Department of Civil and Environmental Engineering, Texas Tech University, 10th and Akron, Lubbock, TX 79409-1023, Phone: (806) 742-3598, Fax: (806) 742-3449 email : lianfa.song@ttu.edu

Prof. Pratim Biswas, formerly at Univ. of Cincinnati, now at Washington Univ., St. Louis. Email: PRATIM.BISWAS@SEAS.WUSTL.EDU

Phone: (314) 935-5482 Fax: (314) 935-5464

Prof. K.G. Neoh, National University of Singapore Dept. of Chemical and Biomolecular Eng. Phone: +65 6516-2176 Email: chenkg@nus.edu.sg

25. LAST REVISION DATE July 11, 2010