Jong Soo Cho, PhD, PE

***** * ***** ****, **** D

Walnut, CA 91789, USA

909-***-****

ac15wa@r.postjobfree.com

PROFESSIONAL ENVIRONMENTAL ENGINEER/SCIENTIST/PROJECT MANAGER

Jong Soo Cho is an Award-winning, Highly Talented Professional Engineer and Project Manager with Extensive Experience over 26 years in Environmental Site Investigation and Remediation; Professional Engineer (PE) Registered in the State of Oklahoma; Education with PhD, MS, and BS Degrees in Engineering; Professional Training Includes Advanced EMS, HAZWOPER, TQM, and QAQC; Knowledge of Federal and State Laws and Regulations, DOD (CONUS and OCONUS) and DOT Orders and Instructions; DOD Projects Includes BRAC, ERP and MMRP; US Citizen with PIV and CAC Eligibility; Have Worked in the US Federal Government Agencies (EPA, Army, and FAA) over 15 Years.

PROFESSIONAL EXPERIENCE

FEDERAL AVIATION ADMINISTRATION, Fort Worth, TX, USA 02/2017 – Present

Environmental Engineer

-Review and Develop EA and EIA Documentations (NEPA)

-Review and Develop ESA Documentations (EDDA)

-Field Investigation for Monitoring and Measurement

US Army, Red River Army Depot, Texarkana, TX, USA 07/2016 – 02/2017

Environmental Engineer (EMS Manger)

-Updating Information on EMS

-Reporting Environmental Performance to the Commanding Office

-Preparing and Conducting Internal/External Environmental Audits

Global Remediation Company, LLC, Pauleys Island, SC, USA 05/2015 – 06/2016

Project Manager and Director of R&D

-Management of Environmental Projects

-Conducting Laboratory and Pilot-scale R&D Project

PRIVATE CONSULTING, Diamond Bar, CA, USA 03/2012 – 06/2015

Technical Consultant in Waste Management and Recovery

-Chemical Process Development for Metal and Energy Recovery from Waste

-Technical Consulting on Design and Operation of Metal and Energy Recovery Plants in Korea, Israel, South Africa, Vietnam and India.

CATHOLIC UNIVERSITY OF KOREA, Kyunggi Do, Korea 03/2009 - 02/2012

Professor in Department of Environmental Engineering

-Technical consulting to government environmental agencies, defense ministry and housing development ministry

-Classroom lectures on environmental engineering, hazardous waste treatment

-International Business and Research Project Development with Romanian National Laboratory

-Research Funding of $600K from KMOE, POSCO and University

DAEBO CONSTRUCTION COMPANY, Seoul, Korea 01/2007 - 02/2009

Executive Technical Consultant and Chief of R&D

-Management of IDIQ Projects of Site Investigation and Remediation in Former US Military Bases over $10M/year.

GGT WASTE, Long Beach, CA, USA 05/2005 - 12/2006

Executive Senior Engineer

-Project Development and Management in a Start-up Environment and Energy Service Company in US, Korea, and China, and Canada.

-Process development and International Patent Application of soil washing with hydro excavation and solvent

EN3 COMPANY LTD, Seoul, Korea 05/2000 - 04/2005

Chief Executive Officer and President

-Launched, managed, and successfully sold one of the top environmental engineering companies in Korea.

-Oversaw all aspects of the business management, including day-to-day operation, cash-flow, human resources, client management, and project development and management.

-Consulting to Rail Road Company, Abandoned Asbestos mines and Fabrication Facilities, Refineries and Chemical Manufacturing Plants, and Construction Companies

-Advisory Efforts to Korean Department of Environmental Protection, US Armed Forces (Army and Air Force), Korean Department of Defense, and Municipal Governments.

ESA INC., Middlesex, NJ, USA 10/1999 - 04/2000

Senior Technical Director, Remediation and Construction

-Project development and management in site investigation, remedial design, O&M and site closure.

-Management more than 10 Projects Worth of $3.0M in Phase I/II Investigation, Remedial Design, and Remedial Action Implantation, and UST/AST Removal.

US ENVIRONMENTAL PROTECTION AGENCY, Ada, OK, USA 01/1988 - 09/1999

Research Engineer, Chemical and Environmental Engineering

-Research and Development on Soil and Groundwater Investigation and Remediation

-Management of Internal and External Projects

-Technical Assistance and Technology Transfer to Superfund Project Offices

EDUCATION

PhD Chemical Engineering Oregon State University, Corvallis, OR, USA 1987

MS Chemical Engineering University of Arkansas, Fayetteville, AR, USA 1983

BS Chemical Engineering Seoul National University, Seoul, Korea 1979

AWARDS

EXCELLENT SERVICE AWARD: Korean Ministry of Environmental Protection, 2004

EXCELLENT PERFORMANCE AWARDS: US EPA, 1991, 1997, 1999

ACCOMPLISHMENT

Project Accomplished; over 70: Patents; 5: Scientific Publications and Presentations; over 70

PROJECT ACCOMPLISHMENT

Private Consulting

Project Development and Technical Assistance in Korea(Sediment Cleanup, Heavy Metals and Petroleum), Israel(Soil Contamination around Oil Well), Sweden(PAH and Heavy Metal Contamination), Nigeria(Petroleum Contamination near oil Wells and Refinery Plant), Chile(Mine Waste and Tailing Heavy Metal Contamination), and Dubai(Wastewater Sludge Treatment)

Cost Estimation Software Development for Site Remediation and Pollution Prevention for the Korean Ministry of Defense

Technical Assistance and Consulting to Companies in Korea, South Africa, India, Israel, and Russia for Pilot Plant Testing of Metal Recovery from Coal Fly Ash

Catholic University of Korea

International Business Development in Environmental Services between Romania and Korea, 2011~2013, $200K.

Collaboration for Research Project Development between Korea and Romania, Environmental Technology Area, 2010~2011, $20K.

Partitioning Tracer Test with Temporal Moment Analysis, 2009~2011, $5K.

LCA Application on Soil and Groundwater Remediation, 2009~2011, $5K.

Feasibility Study: Asbestos Detoxification with Carbonation and Market Study, 2010~2011, $25K; Industrial Development of CO2 Capture and Storage in Subsurface Soil, 2009~2010, $20K.

Environmental Investigation of Abandoned Asbestos Mines and Fabrication Facilities in Korea, 2009~2010, $45K.

Translation of Korean Environmental Laws for Credit Suisse

Consulting for Asia-Pacific Partnership on Clean Development and Climate with WSP

Daebo Construction Company

Business Development: US Army Corps of Engineers, Far East District, IDIQ, US Army Bases in Korea Environmental Investigation, Assessment, and Remediation (Phase I/II, RI/FS, RD, RA, Closure, Post-Closure Monitoring), Partnering with CH2MHill, 2006-2011, $4.5M.

Development of Guidelines of Environmental Consulting Business, 2007~2008, $25K.

GGT Waste Co.

Development of Oil Extraction Technology from Oil sand

Development of Soil Washing Technology with Proprietary Solvent and Hydro excavation

Development of Contaminated Soil, Groundwater, and Surface Water Cleanup Projects with Chinese governments in Chongqing City and Guangdong Province

EN3 Company Ltd.

Development of High Efficiency Solidification and Washing Technology to Remove Heavy Metal Contamination, 2005, $300K.

Site Investigation: US 8th Army Camp Red Cloud, 2005. $200K; Hwabook Dam Construction Site. 2004. $90K; Hwasung Landfill Investigation of Explosive Residue in Soil, 2003. $200K; Kwangyang Steel Mill Groundwater, 2003. $10K; Inchon Refinery, 2002. $60K; Kwangyang Steel Mill Land Fill, 2002. $125K.

Direct Response and Site Investigation: US 8th Army Camp Essayon, Skimming of Floating Oil over Groundwater, Installation and Operation of Oil Water Separator, 2003. $500K.

Feasibility Study: Pilot Test of Phytoremediation at an Artillery Shooting Range, Korean Ministry of Defense, 2004, $200K.

Remedial Design: Contaminated Soil in Hwabook Dam Construction Site, Arsenic Removal with Soil Washing Using Acid, Soil Neutralization, Mine Waste Removal, Acid Mine Drainage Treatment System, Mine Shaft Filling, and Treatment of Groundwater, 2004, $50K; LG Tank Farm, 2002, $10K; Soil and Groundwater Contamination in Industrial Complex, Soil Cleanup with Heat Treatment and Groundwater Treatment with Pump and Treatment. Kangwon Province Road Department, 2004, $30K.

Remediation Action: Locomotive Overhaul Facility Sites with Chemical Oxidation, Soil Excavation, Bioremediation, and Soil Washing, Soil Vapor Extraction, Groundwater Treatment, Landfill Investigation, and Provision of Removal Plan, 2005-2007, $5.25M; SK Pohang Tank Farm Soil, 2005, $150K; SK Woolsan Tank Farm Soil, 2005, $50K; US 8th Army Camp Stanley Soil with Soil Vapor Extraction, Chemical Oxidation. 2003-2005, $700K; Soil Vapor Extraction and Chemical Oxidation. Korean Air Force, Kangreung Air Force Base, Korea, 2004, $300K; Explosives Manufacturing Facilities, Environment Improvement Work with Soil Excavation and On Site Treatment with Biopiling, 2003, $500K; Apartment Construction Site Work-plan Development, 2003, $20K; Inchon Refinery Tank Farm Site Heavy Contamination Area with Soil Washing, 2003, $500K; Inchon Refinery Tank Site Soil with Horizontal Drilling and Soil Vapor Extraction, 2003, $500K; LG Tank Farm Site with Installation of Soil Vapor Extraction System and Soil Biopiling System, 2003, $25K; US 8th Army Camp Stanley Site with Soil Vapor Extraction, 2001, $400K; Inchon Refinery Tank Site Soil and Groundwater with Bioremediation, Multiphase Extraction and Treatment of Contaminated Groundwater, 2002, $2M; US 8th Army Camp Howze Site with Soil Vapor Extraction, 2001, $100K.

Development and Commercialization of Hybrid Remedial System for Complicatedly Contaminated Site, Korean Ministry of Defense, 2001-2004, $600K.

Research on Site Environmental Investigation and Cleanup Technologies, Korean Soil Environment Conservation Association, 2003, $50K.

Analysis of Environmental Regulations of US Armed Forces Stationed Abroad, Environmental Management Company, 2003, $25K.

Development of Cost Estimation Software for Site Remediation, Korean Soil Environment Conservation Association, 2003, $40K.

Environmental Investigation on the Effect of Formaldehyde Released from US Army Base, 2000, $55K.

Research on Phytoremediation of Petroleum Oil and TNT Contaminated Soil, 2000, $30K.

ESA Company

Remedial Investigation: Former Chemical Distribution Center, 1999. $350K; Former Petroleum Distribution Terminal, 1999, $25K.

Remedial Design: Electrochemical Oxidation and Bioremediation of MTBE Contamination at Police Department, 1999, $350K.

Feasibility Study: Soil Vapor Extraction and Air Sparging at a Toluene Contaminated Industrial Site, 1999, $800K; Oxygen Injected Bioremediation at MTBE Contamination Site, 1999, $125K.

Remedial Action: Gasoline Spill Site for Newark City Road Department with SVE and Air-sparging, 2000, $600K; Natural Attenuation of Chlorinated Ethane (CA) Contamination in an Industrial Park, 2000, $150K; Natural Attenuation of PCE and TCE at Former Paper Fabrication Site, 2000, $125K.

US Environmental Protection Agency

Cost Analysis of NAPL Source Removal in Soil and Ground Water Contamination; funding from ORD/NRMRL/E3 program, 1999, $70K.

Human Exposure and Health Risk Assessment of Site Contamination Using Multimedia Fate and Transport Model. 1999, 2000, $12K..

Critical Review of Cost Effectiveness of Natural Attenuation as Soil and Groundwater Plume Management, 1998, $65K.

Feasibility Study: Pilot Test of MTBE Remediation and Natural Attenuation at USCG, US Navy, and NY DEQ sites (US Coast Guard, US Navy, NY State DEQ, BP/Amoco, EPA ORD, OSWER/OUST), 1999-2000, $600K; Natural Attenuation of Hydrocarbon Spill at US Coast Guard Supply Center, 1997-1998. $350K; Remediation of JP-4 Leakage with Soil Venting Extraction/Air Sparging at USCG, Supply Center, 1992-1996, $500K; Pilot Testing of Cometabolic Bioventing of PCE and JP-4 Contamination at Dover Air Forces Base, 1995-1996, $200K; Pilot Testing of Soil Vapor Extraction and Enhanced Bioremediation of Avgas Contamination at USCG Rescue Center, 1989-1991, $300K.

PATENTS

Jim Ballew, W. Anderson, J.S. Cho, M. Yeager, L. Starnes, “Remediation with Hydroexcavation and Solvents,” US Patent Application, No. 200********, September, 2009. International Patents in Korea and Indonesia

Jong Soo Cho, et al., “Large Capacity Soil Washing System,” Korean Patent Application, No. 10-200*-*******, 2003.

Jong Soo Cho, et al., “Hydraulic Conductivity Measurement,” Korean Patent, 0382359, 2003.

PUBLICATIONS AND PRESENTATIONS

Journal Articles and Reports

Cho, J.S., “Life Cycle Assessment on Pump and Treatment Remediation of Contaminated Groundwater,” Journal of Korean Society of Environmental Engineers, vol. 33(6), 2011.

Cho, J.S., “Partitioning Tracer Analysis with Temporal Moments Analysis,” Journal of Soil and Groundwater Environment, vol. 16(3), 2011.

Cho, J.S., S.M. Kim, H.D. Chun, G.W. Han, C.H. Lee, “Carbon Dioxide Capture with Accelerated Carbonation of Industrial Combustion Waste,” International Journal of Chemical Engineering and Application, vol. 2(1), 2011.

Cho, J.S., S.M. Kim, “Asbestos Detoxification with Carbonation: Feasibility and Market Study,” Pohang Research Institute of Science and Technology Report, 2010.

Cho, J.S, et al, “Feasibility Study of CO2 Capture and Storage into Subsurface,” Korean Ministry of Environment Report, 2009.

Han, K.B., J.S. Cho, S.Y. Ahn, “Development of Guidelines and Protocols to Environmental Consulting Business,” Korean Ministry of Environment, Interim Report, 2008.

Cho, J. S., et al. “Soil Environmental Investigation, Evaluation and Remediation,” Korean Land Corporation Report, 2003.

Cho, J.S,. et al. “Cost Estimation for Contaminated Soil Remediation,” Korean Ministry of Environment Report, 2003.

Park, Y.H., J.S. Cho and four others, “Research on Risk of Gasoline Additive MTBE and Control Needs,” Korean Environmental Institute Report, 2002.

Wilson, J.T., J.S. Cho, B.H. Wilson, J.A. Vardy, “Natural Attenuation of MTBE in the Subsurface under Methanogenic Conditions,” EPA/600/R-00/006, US EPA, 2000.

Wilson, J.T., J.S. Cho, B.H. Wilson, J.A. Vardy, “U.S. Coast Guard Fuel Farm, Elizabeth City, North Carolina,” Soil, Sediment & Groundwater, MTBE Special Issue, 2000, p54.

Cho, J.S., J.T. Wilson, F.P. Beck, "Vertical Profiles of Hydraulic Conductivity Measured with Direct Push Methods," Journal of Environmental Engineering, vol. 126(8), 2000.

Cho, J.S., W.H. Choi, M.H. Kim, “Pilot Tests for Design of Soil Bioventing,” Korean Civil Engineering Research, vol. 20(2-B), Korean Society of Civil Engineers, 2000

Cho, J.S., W.H. Choi, M.H. Kim, “Simulation of air flow during soil venting,” Korean Civil Engineering Research, vol. 20(2-B), Korean Society of Civil Engineers, 2000

Bae, B.H., J.S. Cho, “Groundwater Contamination by Gasoline Additive MTBE and Remedial Methods,” Civil Engineering, vol. 46(3), Korean Society of Civil Engineers, 1998

Cho, J.S., J.T. Wilson, D.C. DiGiulio, J.A. Vardy, W. Choi, “Implementation of Natural Attenuation at a JP-4 Contamination Site after Active Remediation,” Biodegradation, vol. 8(4), 1997.

Cho, J.S., D. C. DiGiulio, J.T. Wilson, J.A. Vardy, "In-situ Air Injection, Soil Vacuum Extraction and Enhanced Bioremediation: A Case Study at a JP-4 Contaminated Site," Environmental Progress, vol. 16(1), 1997.

Cho, J.S., Contaminated Site Remediation: Laboratory and Pilot Scales, in Report on Engineering Research Trend Study Abroad: II. Environmental Engineering, Korean Science and Engineering Foundation, Seoul, Korea, and Korean-American Scientists and Engineers Association, Rockville, MD, 1996

Cho, J.S., D. Ellett, "Soil-air Permeability Measurement with a Transient Pressure Build-up Method," Hazardous Waste and Hazardous Material, vol. 12(4), 1995.

Lindqvist, R., J.S. Cho, C.G. Enfield, "A Kinetics Model for Cell Density Dependent Bacterial Transport in Porous Media," Water Resources Research, vol 30(12), 1994.

Cho, J.S., "A Three-Dimensional Air Flow Model for Soil Venting: Superposition of Analytical Functions," Journal of Hazardous Material, vol. 35, 1993.

Cho, J.S., D.C. DiGiulio, "Pneumatic Pumping Test for Design of Soil Vacuum Extraction," Environmental Progress, vol. 11(3), 1992.

Cho, J.S., "Forced Air Ventilation as a Remediation of Soils Contaminated by Volatile Organic Components," EPA/600/2-91/016, US EPA, 1991.

Velaga, A., L.J. Thibodeaux, K.T. Valsaraj, R.B. Eldridge, D.M. Moncada, J.S. Cho, "Packed Crisscross Flow Cascade Tower Efficiencies for Methanol-Water Separations. Experimental versus Calculated Values Based on Countercurrent Flow Correlations," Industrial and Engineering Chemistry Research, vol. 27, 1988.

Presentations at Conferences, Symppsia, and workshops

Cho, J.S., S.M. Kim, I. Iordache, ”Analysis of Passive Remediation of Contaminated Groundwater with Dimensionless Numbers,” 2011 International Conference on Environmental and Bioscience, Cairo, Egypt, 2011.

Cho, J.S., S.M. Kim, H.D. Chun, G.W. Han, C.H. Lee, “CO2 Capture with Combustion Waste in Korea,” 3rd International Conference on Environmental and Computer Science, Kunming, China, 2010.

Cho, J.S., “LCA on Pump and Treatment of TCE Contaminated Groundwater,” Korean Society of Environmental Engineers, Fall Symposium, Inchon, Korea, 2010.

Cho, J.S., “Dimensionless Number Analysis of TCE Plume Natural Attenuation,” Korean Organization of Soil and Groundwater Environment, Fall Symposium, Gwesan, Korean, 2009.

Cho, J.S., “In-Situ Bioremediation,” Lecture in Short-term Education, Korean Organization of Soil and Groundwater Environment, 2004.

Cho, J.S., “Status and Forecast on the Soil Environmental Industry,” Doosan Heavy Industry New Business Development Meeting, 2004.

Cho, J.S., I.S. Park, J.E. Son, "Current Contaminated Site Remediation Strategies in the Republic of Korea," International Contaminated Site Remediation Conference, Adelaide, Australia, 2004.

Bae, B.H., I.S. Lee, S.W. Lee, Y.J. Ban, J.S. Cho, "Site Investigation and Remediation Study at an Artillery Practice Range," Special Symposium on Defense Environmental Risk Assessment and Remediation, Adelaide, Australia, 2004.

Cho, J.S., “Soil Environment Remediation Technologies and Industry,” Pukyung University Symposium, 2003

Cho, J.S., “Status and Forecast on Environmental Venture Companies,” Catholic University Symposium, 2003.

Cho, J.S., “Soil Contamination Remediation Methods,” Korean Society of Geoenvironmental Engineering, 2003.

Cho, J.S., “Future of Soil Environment Remediation Industry,” Hanyang University symposium, 2003.

Cho, J.S., “After Closure Monitoring of Remediation of Contaminated Soil,” Korean Organization of Soil and Groundwater Environment, Winter Workshop, 2003.

Park, I. S., J.W. Park, J.S. Cho, I.S. Hwang, "Effect of the water content on the behavior of surfactants and hydrophobic organic compounds in the immobilization zone for contaminants retardation," ACS, New Orleans, LA, 2003

Park, I. S., Park, J.S. Cho, O.S. Kwon, T.Y. Park, S.H. Kim, Y.W. Kim, “Soil Washing for Clean-up of Petroleum Oil Contaminated Soil,” Korean Organization of Soil and Groundwater Environment, Fall Seminar, Jeju University, 2003.

Cho, J.S., “Contamination of Abandoned Mine Sites and Remedial Methods,” 2nd Korean-Russian Environmental Biology Conference, Donghae, 2002.

Cho, J.S., “Remediation of Soil Contamination,” Pohang Research Institute of Science and Technology Symposium, 2002.

Cho, J.S., “Policy of US and Europe on Oxygenate,” Seminar on Fuel Additive MTBE, Korean Environment Institute, 2002.

Cho, J.S., “Future of Soil Remedial Market,” Samsung Everland New Business Development Meeting, 2002.

Cho, J.S., “Natural Attenuation of MTBE,” in Proceedings of the Conference, ATV-Foundation of Soil and Ground Water Contamination, Danish Academy of Science and Technology, Vingstedcentrete, Denmark, 2000.

Cho, J.S., “Soil and Ground Water Contaminated with Gasoline: Remediation and Cost,” Portuguese-American Business Development Conference by City of Newark, Newark Municipal Council, Newark, NJ, 2000.

Cho, J.S., “Cleaning Gasoline and MTBE–Contaminated Soil and Groundwater: How to Choose the Best Method,” Brownfield 2000 Conference, Atlantic City, NJ, 2000.

Wilson, J.T., and J.S. Cho, “Rate of Biotransformation of MTBE in Methanogenic Groundwater,” The second international conference on remediation of chlorinated and recalcitrant compounds, Battelle, Monterey, CA, 2000.

Cho, J.S. and J.T. Wilson, “Hydrocarbon and MTBE Removal Rates During Natural Attenuation Application,” the Fifth International Symposium Sponsored by Battelle, In Situ and On-Site Bioremediation, San Diego, CA, 1999.

Hurt, K.L., J.T. Wilson, F.P. Beck, J.S. Cho, “Anaerobic Biodegradation of MTBE in a Contaminated Aquifer,” the Fifth International Symposium Sponsored by Battelle, In Situ and On-Site Bioremediation, San Diego, CA, 1999.

Wilson, B.H., H. Shen, J.S. Cho, J.A. Vardy, “Use of Bioscreen to Evaluate Natural Attenuation of MTBE,” the Fifth International Symposium Sponsored by Battelle, In Situ and On-Site Bioremediation, San Diego, CA, 1999.

Cho, J.S. and J.T. Wilson, “Exposure and Risk Assessment at Petroleum Contamination Site with Multimedia Contaminant Fate, Transport, and Exposure Model (MMSOILS),” International Topical Conferences, Pollution Prevention and Risk Reduction, AIChE Annual Meeting, Miami Beach, FL, 1998.

Cho, J.S., J.T. Wilson, F.P. Beck, B.H. Wilson, K. Hurt, J.A. Vardy, “Natural Attenuation of Hydrocarbon Contaminants Originating from Residual Source,” American Geophysical Union Spring Meeting, Boston, MA, 1998.

Cho. J.S., J.T. Wilson, J.W. Weaver, “Criteria on Selection of Intrinsic Bioremediation for Petroleum Hydrocarbon Plumes,” the Fourth International Symposium, In-Situ and On-Site Bioremediation, New Orleans, LA, 1997.

Wilson, J.T., J.S. Cho, F.P. Beck, J.A. Vardy, “Field Estimation of Hydraulic Conductivity for Assessments of Natural Attenuation,” the Fourth International Symposium, In-Situ and On-Site Bioremediation, New Orleans, LA, 1997.

Cho, J.S. and J.T. Wilson, “Discrete Sampling and Hydraulic Conductivity Measurement with Direct Push Method,” NGWA Annual Convention/Expo, Las Vegas, NV, 1997.

Cho, J.S., J.T. Wilson, “Detailed Site Characterization with Direct Push Methods for Fate and Transport of Hydrocarbon in Subsurface,” International Symposium of Environmental Engineering, Pohang University of Science and Technology, Kyungju, Korea, 1997.

Cho, J.S., “Implementation of Risk Management Strategy with Intrinsic Bioremediation at a Jet-Fuel Contaminated Site,” Invitational Workshop of Korean-American Environmental Scientist, the Ministry of Environment, Seoul, Korea, 1996.

Cho, J.S., “Soil and Ground Water Contamination Management with Intrinsic Bioremediation: A Guideline Protocol and Case Studies,” International Conference on Invitation of Korean-American Environmental Scientists, Kyemyung University, Daegu, 1996.

Cho, J.S. et al., “Air Sparging Experiments on a Two Dimensional Sand Box with DNAPLs: Multiphase Investigation with Electrical Impedance Tomography,” ASCE Conference and Exposition, Washington, 1996.

Cho, J.S., J.T. Wilson, F.P. Beck, “Risk Assessment at a JP-4 Contamination Site after Active Remediation,” Third International Symposium, International Society Environmental Biotechnology, Northeastern University, Boston, MA, 1996.

Choi, W, J.S. Cho, A.L. Wood, M. Annable, S. Rao, “Partitioning Tracer Analysis with Temporal Moment-Generating Equations and Inverse Method,” AGU Spring Meeting, Baltimore, MD, 1996.

Cho, J.S., "Inverse Solution of EIT for Detection of Contaminant in Aquifer," the US EPA Workshop on Next Generation Environmental Models Computational Methods, Bay City, MI, 1995.

Cho, J.S., "Electrical Impedance Tomography Application for Detection and Monitoring Subsurface Contamination: Development of Computer Code for Inverse Solution," US EPA, RSKERL Research Seminar, OKC, OK, 1994.

Cho, J.S., D.C. DiGiulio, J.T. Wilson, J.A. Vardy, "A JP-4 Contamination Site Clean-Up by High Pressure Air Injection and Vacuum Extraction," AIChE Summer National Meeting, Seattle, WA, 1993.

Cho, J.S., D.C. DiGiulio, "Pneumatic Pumping Tests and Tracer Gas Studies for Soil Venting Design," HAZMACON '93, Association of Bay Area Governments, San Jose, CA, 1993.

Kampbell, D.H., J.T. Wilson, J.S. Cho, "Opportunities for Biotreatment of Trichloroethylene in the Vadose Zone," Symposium on Soil Venting, U.S. EPA, RSKERL, Houston, Texas, 1991.

Cho, J.S., D. DiGiulio, J.T. Wilson, "Pneumatic Pumping Test for Design of Soil Vacuum Extraction," AIChE Annual Meeting, Los Angeles, CA, 1991.

Ostendorf, D., E. Moyer, J.S. Cho, "Hydrocarbon Vapor Diffusion through the Contaminated Capillary Fringe," NWWA/API Conference, Houston, TX, 1991.

Cho, J.S., J.T. Wilson, D. H. Kampbell, "Soil Bioreactor for Clean-up of VOC Contaminated Air," AIChE Spring National Meeting, San Diego, CA, 1990.

Cho, J.S., J.T. Wilson, D.H. Kampbell, D.C. DiGiulio, "Bioventing Field Demonstration Project," Hazardous Waste Substance Conference, NJIT, Newark, NJ, 1990.

DiGiulio, D.C., J.S. Cho, M. Kemblowski, R.R. Dupont, "Conducting Field Tests for Evaluation of Soil Vacuum Extraction Application," NWWA, The Fourth National Outdoor Action Conference, Las Vegas, NV, 1990.

Cho, J.S., D.C. DiGiulio, "The Simulation of Air Flow in Soil Vacuum Extraction Systems by a 3-d Groundwater Flow Model," Conference on Hazardous Substances Research, Kansas State University, Manhattan, KS, 1990.

Cho, J.S., "Soil Vacuum Extraction: Basic Principals in Gas Phase Movement of VOC," Soil Vacuum Extraction Workshop, U.S. EPA, RSKERL, Ada, OK, 1989.

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