Johns Hopkins University Whiting School of Engineering

Edward J. Bouwer


Department Chair
Geography and Environmental Engineering
jshare.johnshopkins.edu/ebouwer1/group/index.html (lab)

Ames Hall 312 (office)
410-516-7437 (office)
bouwer@jhu.edu (primary)

Staff Contact:
Denise Nowlin
dnowlin@jhu.edu
416-516-5143
ResearcherID webpage >>

Education

Ph.D. 1982, Stanford University
M.S. 1978, Stanford University
B.S.C.E. 1977, Arizona State University

Experience

2007: Chair, Department of Geography and Environmental Engineering, The Johns Hopkins University
1992: Professor of Environmental Engineering, The Johns Hopkins University
2005-2011: Director, Center for Contaminant Transport, Fate, and Remediation
2002-2008: Director, EPA Center for Hazardous Substances in Urban Environments
1988-1992: Associate Professor of Environmental Engineering, The Johns Hopkins University
1992: Visiting Professor, Department of Microbiology, Agricultural University, Wageningen, The Netherlands
1985-1988: Assistant Professor of Environmental Engineering, The Johns Hopkins University
1983-1984: Assistant Professor of Civil Engineering, University of Houston
1984: Research Advisorship, National Institute for Water Supply, The Netherlands
1983: Project: "The Behavior of Organic Micropollutants in the Soil"
1981-1982: Acting Instructor, Department of Civil Engineering, Stanford University
1978-1982: Graduate Student Research Assistant, Stanford University
1976-1977: Research Assistant in Chemical Technology Division at Oak Ridge National Laboratory, Oak Ridge, Tennessee
2011-: Institution/Company Name, Title, (description optional)

Research Areas

transport and fate of microorganisms in porous media
Riverbank filtration for drinking water treatment
remediation of waste sites
groundwater contamination
Contaminated harbor sediments
biotransformation of organic contaminants
biological treatment processes for wastewater
biological treatment of drinking water
biofilm processes

Journal Articles

Onesios-barry, K., Bouwer, E.J. (2013). The Effect of Wetting and Drying Cycle Length on the Biological Removal of Pharmaceuticals and Personal Care Products during Simulated Soil Aquifer Treatment. Water Research.
Wadhawan, A.R., Stone, A.T., Bouwer, E.J. (2013). Biogeochemical Controls on Hexavalent Chromium Formation in Estuarine Sediments. Environmental Science & Technology. 47(15). 8220-8228.
DOI » View record in Web of Science SM
Hong, Y., Hull, P., Rifkin, E., Bouwer, E.J. (2013). BIOACCUMULATION AND BIOMAGNIFICATION OF MERCURY AND SELENIUM IN THE SARASOTA BAY ECOSYSTEM. Environmental Toxicology and Chemistry. 32(5). 1143-1152.
DOI » View record in Web of Science SM
Onesios, K., Bouwer, E. (2012). Biological removal of pharmaceuticals and personal care products during laboratory soil aquifer treatment simulation with different primary substrate concentrations. Water Research. 46(7). 2365-2375.
DOI » View record in Web of Science SM
Yu, J., Bisceglia, K., Bouwer, E., Roberts, A., Coelhan, M. (2012). Determination of pharmaceuticals and antiseptics in water by solid-phase extraction and gas chromatography/mass spectrometry: analysis via pentafluorobenzylation and stable isotope dilution. Analytical and Bioanalytical Chemistry. 403(2). 583-591.
DOI » View record in Web of Science SM

Conference Proceedings

Bouwer, E.J. "Water Quality Improvements During RBF at Three Study Sites in the Midwestern United States", Proceedings of the International Workshop on Riverbank/Riverbed Filtration, 2006, pp.157-165.
Bouwer, E.J. "Fate of Disinfection By-Product Precursors and Microorganisms During Riverbank Filtration", Second International Riverbank Filtration Conference, 2003, pp.123-128.
Sabbah, I., Bouwer, E.J., Ball, W.P. "Diffusion as a Source of Confusion: Complications and Misconceptions in the Interpretation of Desorption Data", EOS, Transactions, AGU, Fall Meeting Supplement, San Francisco, CA, Dec. 6-10, 2002, vol.83.
Bouwer, E.J. "Phenanthrene Breakthrough and Elution in "Aged" Macropore Columns: Effects of Exposure Time", EOS, Transactions, AGU, Fall Meeting Supplement, San Francisco, CA, Dec. 6-10, 2002, vol.83.
Durant, N.D., Bouwer, E.J., Leeson, A., Kelley, M.E., Rifai, H., Magar, V. "Cometabolic and Inhibitory Interactions During Anaerobic Biodegradation of Alkylbenzene Mixtures", Natural Attenuation, 2001, pp.19-26.
 View record in Web of Science SM

Awards & Honors

2008: Appointed Abel Wolman Professor of Environmental Engineering
2010 - 2010: George Fuller Award, Chesapeake Section American Water Works Association (AWWA)
2003: Excellence in Review Award, Environmental Science and Technology
2003: National Associate, in recognition of extraordinary service to the National Academies
2002: Editor's Award, J. of Environmental Engineering, ASCE
2002: Best Paper Award, NY Section AWWA, Spring Meeting held in Buffalo, NY
2000: Paper Award, AWWA Chesapeake Section (awarded jointly to Ph.D. student Josh Weiss)
1998: Outstanding Doctoral Thesis Award, Parsons Engineering Science/Association of Environmental Engineering Professors (awarded jointly to Ph.D. student Laura Ehlers)
1998: Outstanding Paper Award, Association of Environmental Engineering Professors (with Perry McCarty)
1997: Paper Award, AWWA Chesapeake Section (awarded jointly to Ph.D. Student Sudha Goel)
1992: EERO Keynote Lecture, "Microbial Remediation: Strategies, Potentials, and Limitations," Maastricht, The Netherlands
1992: EERO Keynote Lecture, "Microbial Remediation: Strategies, Potentials, and Limitations,", Maastricht, The Netherlands
1991: Outstanding Doctoral Thesis Award, CH2M Hill/AEEP (Awarded jointly to Ph.D. student Robert Martin)
1990: Kappe Environmental Engineering Lecture, Penn State University
1990: Paper Award, AWWA Chesapeake Section (awarded jointly to Ph.D. student A. Leeson)
1990: Pedagogical Lecture, Contaminants and Sediments, American Chemical Society
1990: Outstanding Doctoral Thesis Award, Engineering Science/AEEP (awarded jointly to Ph.D. student Gordon Cobb)
1989: Paper Award, AWWA Chesapeake Section (awarded jointly to Ph.D. students G. Cobb and D. Lew)
1988: First Prize in WPCF Student Paper Competition (awarded jointly to Ph.D. student Dennis Lew)
1985: Presidential Young Investigator Award, NSF
1984: Outstanding Teaching Award, College of Engineering, University of Houston
1983: Engineering Science Inc./Association of Environmental Engineering Professors Award for the Best Doctoral Thesis Relevant to Environmental Engineering Practice
1978 - 1982: National Science Foundation Graduate Fellowship

Presentations

Hong, Y.S., E. Rifkin, E.J. Bouwer. "Modeling Mercury Distribution in the Sarasota Bay Ecosystem using SERAFM and Stable Isotope Ratio of Nitrogen (δ15N)". Platform Presentation in Mercury Fate and Biogeochemistry–Part 2 Session, SETAC North America 33rd Annual Meeting, Long Beach, California., November 14, 2012
Goodwin, D.G, K.L. Marsh, I.B. Sosa, D. H. Fairbrother, and E.J. Bouwer. “Interactions and Fate of Carbon Nanotube Polymer Composites in the Presence of Bacteria: Influence of CNT Loading.” 1st Sustainable Nanotechnology Organization Conference. Arlington, VA. Poster., November 5, 2012
Parent's College, Homewood Campus: Lecture on Engineering Microbiology, A Journey into the Microbial World., October 19, 2012
Lawson, J.A. and E.J. Bouwer. "Modeling Virus Transport: Considering Biological Heterogeneity," poster, Assessing Pathogen Fate, Transport, and Risk in Natural and Engineered Water Treatment. Banff, Canada., September 25, 2012
Bouwer, E.J. "Fate of Microorganisms During Riverbank Filtration," Assessing Pathogen Fate, Transport, and Risk in Natural and Engineered Water Treatment. Banff, Canada., September 24, 2012
Onesios, K.M. and E.J. Bouwer. “Effects of Concentration and Wetting/Drying Time on Biological Removal of Pharmaceuticals and Personal Care Products During Simulated Soil Aquifer Treatment,” 244th American Chemical Society Meeting. Philadelphia, PA., August 21, 2012
Wadhawan, A.R., A.T. Stone, and E.J. Bouwer. “Role of Manganese Sulfide (MnS(s)) Minerals in Chromium (Cr) Speciation and Fate,” 244th American Chemical Society Meeting. Philadelphia, PA., August 21, 2012
Bohutskyi, P. and E.J. Bouwer. "Integrating Anaerobic Digestion with Algal Cultivation Systems: Enhancement of Biomethane Production through Thermochemical Pretreatment," Poster presentation at: The 2nd International Conference on Algal Biomass, Biofuels and Bioproducts, San Diego, CA., June 13, 2012
Goodwin, D.G., K.L. Marsh, D.H. Fairbrother, and E.J. Bouwer. “Biofilm Formation and Biodegradation of Carbon Nanotube-Polymer Composites.” 86th American Chemical Society Colloid and Surface Science Symposium. Baltimore, MD., June 12, 2012
Bouwer, E.J. “Challenges Related to Water in the United States,” SINO-US International Forum on Emerging Issues in Environmental Research, Nanjing University, Nanjing, China., May 29, 2012
"Future Water Challenges", Water Awareness Symposium, Montgomery County Campus, D.C., May 18, 2012
Hong Y.S., E. Rifkin, R.S. Wells, P. Hull, and E.J. Bouwer, “Analyses of Mercury and Selenium Bioaccumulation and Biomagnification in Sarasota Bay Ecosystem Using Stable Isotope Ratios of Carbon and Nitrogen,” SETAC-CPRC/SRA-NCAC Spring Meeting. College Park. Maryland., April 23, 2012
Hong, Y.S., E. Rifkin, and E.J. Bouwer, “Coupling Diffusive Gradient in a Thin Film Probe and IC-ICP-MS for the Simultaneous Determination of CH3Hg+ and Hg2+,” SETAC North America 32nd Annual Meeting, Boston, MA, November 16, 2011
Hong, Y.S., E. Rifkin, R.S. Wells, P. Hull, and E.J. Bouwer, “Mercury and Selenium Bioconcentration, Bioaccumulation, and Biomagnification in the Sarasota Bay Ecosystem,” poster, SETAC North America 32nd Annual Meeting, Boston, MA, November 15, 2011
Bouwer, E.J., Y.S. Hong, D. Wetzel, and E. Rifkin, “Quantifying Chronic Damages in the Gulf—Modeling Bioconcentration and Bioaccumulation,” NRDA for the Gulf: Improving Our Ability to Quantify Chronic Damages, Baltimore, MD, November 3, 2011
Hong, Y.S., E. Rifkin, D. Wetzel, and E.J. Bouwer, “Appropriate Interpretation of Passive Sampler Data—Estimating Water Concentrations,” NRDA for the Gulf: Improving Our Ability to Quantify Chronic Damages, Baltimore, MD, November 3, 2011
Bouwer, E.J., “Access to Clean Water and Sanitation in Urban Settings in Low-Income Countries,” World Health Summit, Berlin, Germany, October 24, 2011
Hong, Y.,S. E. Rifkin, R.S. Wells, P. Hull, E.J. Bouwer, “Assessment of Mercury Contamination and Bioaccumulation in Sarasota Bay,” Global Summit on Coastal Seas (EMECS9), Baltimore, MD, August 28, 2011
Wadhawan, A.R. and E.J. Bouwer, “Effect of Oxygenation on Speciation, Behavior, and Fate of Chromium in Estuarine Sediments,” Global Summit on Coastal Seas (EMECS9), Baltimore, MD, August 28, 2011
“Relationship Between the Presence of Chromium and Toxicity in Baltimore Harbor: Process and Science”, Invited lecture at the Architecture and Technology University, Xi’an, China, August 2, 2011
“Water, Water….Is it Everywhere?”, Invited lecture at Tsinghua, Beijing, China, July 31, 2011
“Fate of Organic Compounds and Microorganisms During Riverbank Filtration”, Invited lecture at Tsinghua, Beijing, China, July 29, 2011
Onesios, K.M. and E.J. Bouwer, “Pharmaceutical and personal care product degradation in aquifers,” Joint 2011 Spring Meeting hosted by the Chesapeake Section of the American Water Works Association and Chesapeake Water Environment Association. Linthicum Heights, M.D., May 12, 2011
Wadhawan, A.R. and E.J. Bouwer, “Rates of Cr(III) Oxidation During Oxygenation of Anoxic Estuarine Sediments: Roles of pH and Manganese Speciation,” 241st American Chemical Society Meeting. Anaheim, CA, March 30, 2011
Onesios, K.M. and E.J. Bouwer, "PPCP Biotransformations in Laboratory Columns: Effects of Acetate and PPCP Concentrations", 241st American Chemical Society Meeting, Anaheim, CA, March 29, 2011
“The Illusion of Certainty: Health Benefits and Risks”, Invited seminar at Northeastern University, Boston, MA, March 22, 2011
Panel Member, "Global Issues Related to Water", Johns Hopkins Rising to the Challenge event, Boston, MA., November 6, 2010
“The Illusion of Certainty:  Health Benefits and Risks”, Dept. of Civil and Environmental Engineering, University of South Carolina, Columbia, SC, October 8, 2010
“Oil and Water:  A Webinar on the Recovery of the Gulf”, Center for Talented Youth, Baltimore, MD, September 15, 2010
Lawson, J.A. and E.J. Bouwer, “Biological and Physicochemical Properties of Shewanella oneidensis MR-1 Cultured under Various Electron Acceptor Conditions,” poster, Gordon Research Conference, Environmental Sciences:  Water, Holderness School, Plymouth, NH, June 23, 2010
Wadhawan, A.R., A.T. Stone, and E.J. Bouwer, “Rates of Trivalent Chromium Oxidation in Estuarine Sediments and in a Model MnS System,” poster, Gordon Research Conference, Environmental Sciences:  Water, Holderness School, Plymouth, NH, June 22, 2010
Onesios, K.M. and E.J. Bouwer, “Biological Removal of Pharmaceuticals and Personal Care Products during Simulated Soil Aquifer Treatment,” poster, Gordon Research Conference, Environmental Sciences:  Water, Holderness School, Plymouth, NH, June 21, 2010
Graham, A.M. and E.J. Bouwer, “Kinetics of Cr(VI) Reduction by Pyrite Surfaces at pH 4 to 9: Surface Coverage and Passivation Effects,” 20th Annual Goldschmidt Conference, Knoxville, TN, June 18, 2010
Onesios, K.M. and E.J. Bouwer, “Biological Removal of Pharmaceuticals and Personal Care Products during Simulated Soil Aquifer Treatment,” American Society of Microbiology Annual Conference, San Diego, CA, May 26, 2010
Oh, S., J.Y. Choi, W.S. Shin, and E.J. Bouwer, “Detection of Anammox Bacteria under a Riparian Wetland Soil”, poster, The Korean Society of Environmental Engineering (KSEE) spring conference, Jeju, Korea, May 7, 2010
Elliott, C.B. and E.J. Bouwer, “Factors affecting thio‐arsenic speciation in sulfidic sediment pore water”, SETAC-Chesapeake/Potomac Regional Chapter 2010 Spring Meeting, Towson University, Maryland, April 19, 2010
"Communicating Health Benefits and Risks", Department of Civil and Environmnental Engineering, Duke University, Durham, NC, April 7, 2010
Panel Member, "What is the Purpose of Our University Education?", The Veritas Forum, JHU., February 25, 2010
"Role of Biofiltration in Improving Drinking Water Quality", Biological Drinking Water Treatment Workshop, Water Research Foundation, Denver, CO., January 20, 2010
"Anaerobic Digestion of Algae for Production of Methane", JHU Energy Research Workshop., January 19, 2010
Managed Underground Storage of Drinking Water Seminar. Cornell University, Ithaca, NY. 2008-10-16. (Invited), October 16, 2008
Behavior of Chromium in the Baltimore Harbor Seminar. Penn State Harrisburg. 2008-10-08. (Invited), October 8, 2008
Communicating Health Benefits and Risks Monthly Breakfast Speaker Series. Mercy Ridge Retirement Center, Timonium, MD. 2008-07-16. (Invited), July 16, 2008
Chromium Speciation and Behavior in Baltimore Harbor Sediments, Baltimore, Maryland, USA Gordon Research Conference, Environmental Sciences: Water. Holderness School, Plymouth NH. 2008-06-25. (Invited), June 25, 2008
Rates of Cr(VI) Reduction in Baltimore Harbor Sediments, Baltimore, MD, USA Gordon Research Conference, Environmental Sciences: Water. Holderness School, Plymouth NH. 2008-06-25. (Invited), June 25, 2008
Strategy for Assessing the Role of Cr in the Observed Toxicity with Baltimore Harbor Sediments Sediment Toxicity Workshop. Johns Hopkins University, Baltimore, MD. 2008-05-07. (Invited), May 7, 2008
Chromium Occurrence and Behavior in Baltimore Harbor Sediments Seminar. University of California at Riverside. 2008-04-11. (Invited), April 11, 2008
Chromium Occurrence, Geochemistry, and Toxicity in Baltimore Harbor Sediments The John McClanahan Henske Distinguished Lecture in Chemical Engineering. Yale University, New Haven, CT. 2008-03-26. (Invited), March 26, 2008
Innovations at the Interface--Improving Groundwater Reserves Seminar. University of Georgia, Athens, GA. 2008-03-20. (Invited), March 20, 2008
Regulation of Public Health and Environmental Concerns Forum on Policy, Regulatory, and Economic Issues Regarding Prospects for Managed Underground Storage of Recoverable Water. National Research Council, Washington, D.C.. 2008-03-19. (Invited), March 19, 2008
Prospects for Managed Underground Storage of Recoverable Water Seminar. DoGEE, Johns Hopkins University. 2008-03-04. (Invited), March 4, 2008
The Illusion of Certainty: Health Benefits and Risks Seminar. Institute for Policy Studies, Johns Hopkins University. 2008-02-07. (Invited), February 7, 2008
Bioassay Testing of Baltimore Harbor Sediments Spiked with Cr(VI) 28th Annual Meeting, Society for Environmental Toxicology and Chemistry. Milwaukee, WI. 2007-11-13., November 13, 2007
Biological Transformations Pertinent to DBPs Water Quality Technology Conference. Charlotte, NC. 2007-11-04. (Invited), November 4, 2007
Prospects for Managed Underground Storage of Recoverable Water Keynote Talk at the International Symposium for Managed Aquifer Recharge. Phoenix, Arizona. 2007-10-29. (Invited), October 29, 2007
Water Management Using Underground Storage Seminar. McGill University, Montreal, Canada. 2007-10-05. (Invited), October 5, 2007
DoGEE Now DoGEE Alumni Day. Johns Hopkins University. 2007-09-29., September 29, 2007
Riverbank Filtration 91st Annual Conference, MN Section AWWA. Duluth, MN. 2007-09-20. (Invited), September 20, 2007
Progress with Chromium Research Sediment Toxicity Workshop. Johns Hopkins University. 2007-08-27., August 27, 2007
Bioassay Testing of Baltimore Harbor Sediments Spiked with Cr(VI) 9th International In Situ and On-Site Bioremediation Symposium. Baltimore, MD. 2007-05-10., May 10, 2007
Complexation of Cr(III) Species with Natural Organic Matter and its Effect on Cr(III) Oxidation with Mn(hydr)oxide 9th International In Situ and On-Site Bioremediation Symposium. Baltimore, MD. 2007-05-10., May 10, 2007
Reduction of Hexavalent Chromium in Baltimore Harbor Sediments--Results of Sediment Spiking Studies 9th International In Situ and On-Site Bioremediation Symposium. Baltimore, MD. 2007-05-10., May 10, 2007
Chromium Occurrence and Behavior in Baltimore Harbor Sediments PA/Chesapeake AWWA Joint Conference. Hershey, PA. 2007-04-26., April 26, 2007
Chromium Occurrence and Cr(VI) Attenuation in Baltimore Harbor Sediments 233rd American Chemical Society National Meeting. Chicago, Illinois. 2007-03-28., March 28, 2007
Effect of Natural Organic Matter on Aqueous Cr(III) Oxidation with Mn(hydr)oxides 233rd American Chemical Society National Meeting. Chicago, Illinois. 2007-03-27., March 27, 2007
Biological Processes for Control of DBPs in Drinking Water Treatment AWWA/CIRSEE Workshop. Paris, France. 2007-03-06. (Invited), March 6, 2007
Water Quality Improvements During RBF at Three Sites in the Midwestern United States Workshop on Best Management Practices for Receiving Waters in Order to Reduce the Impacts of Wastewater-Derived DBPs on Drinking Water. Denver, CO. 2006-11-09. (Invited), November 9, 2006
Occurrence and Biodegradability of Selected Pharmaceuticals and Personal Care Products (PPCPs) in the Environment EPA STAR Conference. Washington, D.C.. 2006-09-25. (Invited), September 25, 2006
Characterizing the Effects of Chemical Properties and Sewage Treatment Plant Operating Conditions on the Removal of Pharmaceuticals and Antiseptics Maryland State Groundwater Symposium. Baltimore, MD. 2006-09-20. (Invited), September 20, 2006
Implications of Initial Solute Distribution on Contaminant Availability: Effects on Desorption Modeling and Adaptive Management Approaches to Solute Remediation Symposium on Bioavailability of Pollutants and Soil Remediation. Seville, Spain. 2006-09-11. (Invited), September 11, 2006
Occurrence and Removal of Selected Pharmaceuticals and Personal Care Products (PPCPs) in Sewage Treatment Plants and Their Behavior During Biofiltration American Water Works Association Tri-State Annual Meeting. Ocean City, MD. 2006-08-30. (Invited), August 30, 2006
Distribution and Transport of Depleted Uranium (DU) in Soils and Natural Waters at Aberdeen Proving Ground, MD 18th World Congress of Soil Science. Philadelphia, PA. 2006-07-12., July 12, 2006
Existence of Soluble Organic-Cr(III) Complexes Gordon Research Conference, Environmental Sciences: Water. Holderness School, Plymouth, NH. 2006-06-26., June 26, 2006
Predicting the Influence of Operating Characteristics on PPCP Removal in Wastewater Treatment Plants American Chemical Society Annual Meeting (231st). Atlanta, GA. 2006-03-27., March 27, 2006
Neutral Degradates of Chloroacetamide Herbicides: Could We Have Anticipated a Role as Potential “Emerging Contaminants”? Environmental Contaminants of Emerging Concern: Anticipating, Understanding, and Intercepting Future Environmental Crises. Pacifichem. Honolulu, HI. 2005-12-17. (Invited), December 17, 2005
STAR Research Grants for Site Characterization, Assessment, and Monitoring BOSC Review of the Land Research Program, USEPA Breidenbach Environmental Research Center. Cincinnati, OH. 2005-12-13. (Invited), December 13, 2005
What Tools Can Be Developed to Stimulate the Revitalization of Brownfields? BOSC Review of the Land Research Program, USEPA Breidenbach Environmental Research Center. Cincinnati, OH. 2005-12-13. (Invited), December 13, 2005
Influence of Initial Solute Concentration Distribution (aging) Within a Diffusion Region on Desorption Rates and Solute Availability American Geophysical Union (AGU) Fall Meeting. San Francisco, CA. 2005-12-08., December 8, 2005
Biogeochemical Considerations for Model Predictions of Solute Biodegradation in Sorbent-Water Systems Society of Environmental Toxicology and Chemistry (SETAC) 26th Annual Fall Meeting. Baltimore, MD. 2005-11-16., November 16, 2005
Occurrence and Removal of Selected Pharmaceuticals and Personal Care Products (PPCPs) in Sewage Treatment Plants Society of Environmental Toxicology and Chemistry (SETAC) 26th Annual Fall Meeting, Baltimore, MD. Baltimore, MD. 2005-11-16., November 16, 2005
EPA Center Research and Outreach Programs Symposium on Hazardous Substances in Urban Environments. Morgan State University, Baltimore, MD. 2005-09-26., September 26, 2005
Science 101: Contaminated Sediments The Science Coalition Seminar Series for Congressional Staff. Rayburn Building, Washington, D.C.. 2005-09-12. (Invited), September 12, 2005
Pharmaceuticals and Personal Care Products as Environmental Contaminants: (1) Preliminary Environmental Risk Calculations and Method Development for Analysis in Environmental Media via GC/MS U.S. EPA Pharmaceuticals in the Environment Workshop. Las Vegas, NV. 2005-08-24. (Invited), August 24, 2005
Pharmaceuticals and Personal Care Products as Environmental Contaminants: (2) Biodegradability Studies and Occurrence in Sewage Treatment Plant Influent and Effluent U.S. EPA Pharmaceuticals in the Environment Workshop. Las Vegas, NV. 2005-08-24. (Invited), August 24, 2005
Riverbank Filtration for Control of Microorganisms: Results from Field Monitoring and Column Studies with Riverbank Media CSAWWA Annual Conference. Dover, DE. 2005-08-18., August 18, 2005
Biodegradation of Selected Pharmaceutical and Personal Care Products (PPCPs) Using Different Electron Acceptors Association of Environmental Engineering and Science Professors 1st Biennial Research and Education Conference. Potsdam, NY. 2005-07-24., July 24, 2005
Example K-12 Outreach Activities in Environmental Engineering and Science at Johns Hopkins University Association of Environmental Engineering and Science Professors 1st Biennial Research and Education Conference. Potsdam, NY. 2005-07-24., July 24, 2005
Using Riverbank Filtration to Improve Water Quality BOSC Review of the Drinking Water Research Program, USEPA Breidenbach Environmental Research Center. Cincinnati, OH. 2005-06-21. (Invited), June 21, 2005
A Reassessment of Chromium Sediment Quality Values 8th International In Situ and On-Site Bioremediation Symposium. Baltimore, MD. 2005-06-06. (Invited), June 6, 2005
Occurrence and Treatment of Neutral Chloroacetamide Degradates in Midwestern U.S. Drinking Water 229th American Chemical Society National Meeting, Agrochemicals Division. San Diego, CA. 2005-03-13., March 13, 2005
Comparison of Modeling Approaches for Simulating Cometabolic Biodegradation in Sorbent-Water Systems American Geophysical Union Fall Meeting, Paper #H21E-1048. San Francisco, CA. 2004-12-14., December 14, 2004
Field and Column Studies to Evaluate Removal of Pathogens and Potential Surrogate Parameters During Riverbank Filtration Maryland Monitoring Council 10th Annual Conference. Linthicum, MD. 2004-11-18., November 18, 2004
Neutral Chloroacetamide Herbicide Degradates: Environmental Occurrence and Removal During Drinking Water Treatment 4th SETAC World Congress. Portland, OR. 2004-11-16., November 16, 2004
The Merits of Riverbank Filtration Seminar. Civil and Environmental Engineering, Arizona State University, Tempe, AZ. 2004-11-08. (Invited), November 8, 2004
Comparison of Modeling Approaches for Simulating Cometabolic Biodegradation in Sorbent-Water Systems EPA Workshop on Risk Characterization and Monitoring. Las Vegas, NV. 2004-11-04., November 4, 2004
Overview of the EPA Center for Hazardous Substances in Urban Environments Director's Meeting. EPA National Laboratory, Las Vegas, NV. 2004-11-03. (Invited), November 3, 2004
Fate of Organic Compounds and Microorganisms During Riverbank Filtration Seminar. Technology Research Center, University of Maryland Baltimore County, Baltimore, MD. 2004-09-03. (Invited), September 3, 2004
Removal of Chloroacetamide Herbicides and Neutral Degradates During Simulated Drinking Water Treatment Agrochemicals Division, 228th American Chemical Society National Meeting. Philadelphia, PA. 2004-08-25., August 25, 2004
Field and Column Studies to Evaluate Removal of Pathogens and Potential Surrogate Parameters during Riverbank Filtration Division of Environmental Chemistry, 228th American Chemical Society National Meeting. Philadelphia, PA. 2004-08-24., August 24, 2004
Modeling the Effect of Aging on Naphthalene and Phenanthrene Desorption Rates from Borden Sand Division of Environmental Chemistry, 228th American Chemical Society National Meeting. Philadelphia, PA. 2004-08-24., August 24, 2004
Neutral Chloroacetamide Herbicide Degradates: Occurrence in Selected U.S. Locations and Treatability in Drinking Water Gordon Research Conference on Environmental Sciences: Water. Plymouth, NH. 2004-06-29., June 29, 2004
Water Quality Improvements with Riverbank Filtration Seminar. KIWA Water Research, Nieuwegein, The Netherlands. 2004-06-10. (Invited), June 10, 2004
Neutral Chloroacetamide Herbicide Degradates: Occurrence in Selected U.S. Locations and Treatability in Drinking Water International Symposium on Pesticides, Their Degradates and Adjuvants. Prague, Czech Republic. 2004-06-05., June 5, 2004
Fate of Organic Compounds and Microorganisms During Riverbank Filtration Invited Seminar. UFZ-Centre for Environmental Research, Leipzig, Germany. 2004-06-04. (Invited), June 4, 2004
Mass-Transfer Limitations and Co-Contaminant Effects on the Bioremediation of Contaminated Soils and Sediments 2004 Research Symposium on Environmental and Applied Fluid Mechanics. Johns Hopkins University, Baltimore, MD. 2004-05-18., May 18, 2004
Sorption and Desorption Characteristics of Depleted Uranium (DU) at Aberdeen Proving Ground (APG), MD Abstract #96, Division of Nuclear Chemistry and Toxicology, 227th American Chemical Society National Meeting. Anaheim, CA. 2004-03-29., March 29, 2004
Influence of Soil Organic Matter (SOM) on Depleted Uranium (DU(VI)) Distribution and Fate at Aberdeen Proving Ground (APG) 227th American Chemical Society National Meeting, Abstract #65, Division of Nuclear Chemistry and Toxicology. Anaheim, CA. 2004-03-28., March 28, 2004
Using Riverbank Filtration to Improve Water Quality Water Quality Technology Conference and Exposition. Philadelphia, PA. 2003-11-05. (Invited), November 5, 2003
Fate of Disinfection By-Product Precursors and Microorganisms During Riverbank Filtration Second International Riverbank Filtration Conference. Cincinnati, OH. 2003-09-18. (Invited), September 18, 2003
Research Needs Panel Discussion Second International Riverbank Filtration Conference. Cincinnati, OH. 2003-09-18. (Invited), September 18, 2003
Riverbank Filtration: The American Experience Second International Riverbank Filtration Conference. Cincinnati, OH. 2003-09-17. (Invited), September 17, 2003
Using Riverbank Filtration to Improve Water Quality USEPA/USGS Meeting on Cryptosporidium Removal by Bank Filtration. Reston, VA. 2003-09-09. (Invited), September 9, 2003
Co-Contaminant Effects on Risk Assessment and Remediation Activities in Urban Settings ORD/HSRC/OSWER Meeting on Superfund Research. Cincinnati, OH. 2003-08-27. (Invited), August 27, 2003
Transport of Depleted Uranium Oxidation Products in a Field Study Site 48th Annual Meeting of the Health Physics Society. San Diego, CA. 2003-07-20., July 20, 2003
Kinetics and Treatability of Aqueous Alkaline Hydrolysis for Hexahydro-1,3,5-Trinitro-1,3,5-Triazine (RDX) Air and Waste Management Association’s 96th Annual Conference and Exhibition. San Diego, CA. 2003-06-22., June 22, 2003
Removal of Microbes and DBP Precursors During Riverbank Filtration at Three Midwest Utilities NASRI Workshop on Bank Filtration. Berlin, Germany. 2003-06-11. (Invited), June 11, 2003
Bioavailability of Aromatic Hydrocarbons in Saturated Porous Media International Conference on PAH and BTEX Contamination. Johns Hopkins University, Baltimore, MD. 2003-06-02. (Invited), June 2, 2003
Diffusion as a Source of Confusion International Conference on PAH and BTEX Contamination. Johns Hopkins University, Baltimore, MD. 2003-06-02. (Invited), June 2, 2003
Sorption of Hydrophobic Organic Chemicals by Soils, Sediments, and Rocks--The Role of Thermally Altered Carbon International Conference on PAH and BTEX Contamination. Johns Hopkins University, Baltimore, MD. 2003-06-02. (Invited), June 2, 2003
Sorption, Bioavailability and Bioreduction of U(VI) in Sediments from Aberdeen Proving Ground 103rd General Meeting of the American Society for Microbiologybiology. Washington, D.C.. 2003-04-18., April 18, 2003
Water Quality Improvements During Riverbank Filtration at Three Midwest Utilities Invited Seminar. University of Iowa, Iowa City, IA. 2003-04-11. (Invited), April 11, 2003
Study of Water Quality Improvements during Riverbank Filtration at Three Midwestern United States Drinking Water Utilities European Geophysical Society. Nice, France. 2003-04-10. (Invited), April 10, 2003
Center for Hazardous Substances in Urban Environments WSE External Site Visit. Johns Hopkins University, Baltimore, MD. 2003-04-09., April 9, 2003
Alkaline Hydrolysis is an Effective Treatment Technology for RDX-Contaminated Groundwater Division of Environmental Chemistry, 225th American Chemical Society National Meeting. New Orleans, LA. 2003-03-23., March 23, 2003
Using Riverbank Filtration to Improve Water Quality Arizona Hydrological Society, Arizona Water & Pollution Control Association, and Arizona Society of Civil Engineers Technical Luncheon. Scottsdale, AZ. 2003-01-22. (Invited), January 22, 2003
Riverbank Filtration for Drinking Water Treatment Colloquium Series at Department of Chemical and Environmental Engineering. University of Arizona, Tucson, AZ. 2003-01-21. (Invited), January 21, 2003
Diffusion as a Source of Confusion: Complications and Misconceptions in the Interpretation of Desorption Data AGU Fall Meeting. San Francisco, CA. 2002-12-08., December 8, 2002
Phenanthrene Breakthrough and Elution in "Aged" Macropore Columns: Effects of Exposure Time AGU Fall Meeting. San Francisco, CA. 2002-12-07., December 7, 2002
Progress with EPA Center Research Annual Director's Meeting. Washington, D.C.. 2002-12-02. (Invited), December 2, 2002
Drinking Water Treatment with Riverbank Filtration Invited Seminar. Lehigh University. 2002-10-28. (Invited), October 28, 2002
Environmental Engineering and Chemistry at JHU Membrane Workshop--Vivendi/JHU. Bloomberg SPH and Homewood Campus. 2002-10-18. (Invited), October 18, 2002
Center for Hazardous Substances in Urban Environments ACS National Meeting. Boston, MA. 2002-08-20., August 20, 2002
Environmental Problems in Urban Environments EPA Region 3 Seminar Series. Philadelphia, PA. 2002-07-16. (Invited), July 16, 2002
Diffusion as a Source of Confusion: Complications and Misconceptions in the Interpretation of Desorption Data Gordon Research Conference on Environmental Sciences: Water. New Hampshire. 2002-06-25., June 25, 2002
EPA Center for Hazardous Substances In Urban Environments Tech Trends. Baltimore, MD. 2002-04-03. (Invited), April 3, 2002
Research Needs for Hazardous Substances in Urban Environments Internet Seminar, USEPA. U.S.. 2002-03-26. (Invited), March 26, 2002
EPA Center for Hazardous Substances in Urban Environments MD Environmental Business Alliance Monthly Meeting. Baltimore, MD. 2002-03-22. (Invited), March 22, 2002
Aquifer Storage and Recovery Pilot Program South Florida Water Management District Panel. West Palm Beach, Florida. 2001-12-19. (Invited), December 19, 2001
Water Quality Improvements During Riverbank Filtration at Three Sites in the Midwestern United States University of Michigan. Ann Arbor, MI. 2001-12-10. (Invited), December 10, 2001
Overview on the Center for Hazardous Substances in Urban Environments HSRC Director's Meeting, U.S.E.P.A.. Washington, D.C.. 2001-11-19., November 19, 2001
Contaminant Bioavailability in Aged Sediments and Relevance to Bioremediation SETAC 22nd Annual Meeting. Baltimore, MD. 2001-11-13. (Invited), November 13, 2001
Fate of DBP Precursors During Riverbank Filtration University of Houston. Houston, TX. 2001-08-15. (Invited), August 15, 2001
Contaminant Breakthrough and Elution in "Aged" Soil Columns: Methodological Issues and Preliminary Results 33rd Mid-Atlantic Industrial and Hazardous Waste Conference. Manhattan College, Riverdale, NY. 2001-06-19., June 19, 2001
Fate of Disinfection By-product Precursors During Riverbank Filtration at Three Midwest Utilities AWWA Annual Conference. Washington, D.C.. 2001-06-19., June 19, 2001
Cometabolic and inhibitory interactions during anaerobic biodegradation of alkylbenzene mixtures 6th International Symposium on In Situ and On-Site Bioremediation. San Diego, CA. 2001-06-00., May 31, 2001
Status of Depleted Uranium Research Picatinney Arsenal Workshop. Picatinney, NJ. 2001-03-11. (Invited), March 11, 2001
Biological Transformations Pertinent to DBPs Water Quality Technology Conference. . 0000-00-00., November 30, 1999

Committees

2011: Yeung Center Faculty Steering Committee, Johns Hopkins University
2011: Research Chair and Board Member, Chesapeake Section of the American Water Works Association
2010: Planning Group, Energy Research at JHU, Biofuels Coordinator.
2009: Project Advisory Committee on Removal of Unregulated Organic Chemicals in Full-Scale WaterTreatment Processes, Water Research Foundation, 2009-Present
2007: Engineers Without Borders
2005: CSAWWA Research Committee member, 2005-Present
1999: JHU Radiation Safety Committee
2011: Board Member, Water Science and Technology Board, National Research Council
2011: Research Chair and Board Member, Chesapeake Section of the American Water Works Association
2011: Project Advisory Committee on Chemically Enhanced Biological Filtration to Increase Water Quality and Minimize Costs, Water Research Foundation
2012 - 2013: Member, Committee on Review of Biotreatment, Water Recovery, and Brine Reduction Systems for the Pueblo Chemical Agent Destruction Pilot Plant, National Research Council
2012 - 2013: Chair, Search Committee for Faculty Position in Environmental Microbiology/Biotechnology in DoGEE.
2012 - 2012: Panel Member, "Gobal Water", JHU Leadership Summit, Baltimore, October 19, 2012.
2011 - 2011: Session Moderator, “Sustainability: Reducing Toxic Pollutants”, 9th Meeting of Environmental Management of Enclosed Coastal Seas (EMECS), Baltimore, Maryland, August 29, 2011
2011 - 2011: Panel Member, “Global Issues Related to Water”, JH Rising to the Challenge, Chicago, IL, April 2, 2011.
2010 - 2011: Search Committee for Chair of the Department of Environmental Health Sciences, Bloomberg School of Public Health.
2010 - 2011: Search Committee for Faculty member in the Bloomberg School of Public Health, Water and Health Program.
2007 - 2011: Project Advisory Committee on Fate and Impact of Antibiotics in Slow-Rate Biofiltration Processes, AWWA Research Foundation, 2007-Present
2009 - 2010: Chair, Search Committee for Assistant Professor in Environmental Microbiology, DoGEE.
2006 - 2010: Project Advisory Committee on Assessment of Operating Conditions for Biological Filters in Drinking Water, AWWA Research Foundation, 2006-2010
2008 - 2009: Superfund Basic Research Program (SBRP) External Advisory Panel, National Institute of Environmental Health Sciences (NIEHS), 2008-2009.
2008 - 2008: Chair, NIEHS Review Panel on Nanotechnology for Bioremediation Research Grants (R01), Durham, NC, June 11, 2008
2008 - 2008: Technical Review Committee for TC Proposal on "Removal of Unregulated Organic Chemicals in Full-Scale Water Treatment Processes, Awwa Research Foundation, 2008
2004 - 2008: Project Advisory Committee on Comprehensive Review of Methods, Occurrence, and Treatment of Endocrine Disrupting and Pharmaceutically Active Compounds, and Personal Care Products in Drinking Water, AWWA Research Foundation, 2004-2008
2002 - 2008: U.S. National Committee for the Scientific Committee on Environment (SCOPE), National Research Council, 1996-2008
2005 - 2007: Environmental Engineering and Science Committee, CLEANER Project Office, 2005-2007
2004 - 2007: Chair, Committee on Sustainable Underground Storage of Recoverable Water, Water Science and Technology Board, National Research Council, 2004-2007
2002 - 2005: Scientific Committee, The Center for Competence for Water Berlin, Germany, 2002-2005
2003 - 2004: Chair, High Quality Water Subgroup for the RAC, AWWA Research Foundation, 2003-2004
2003 - 2003: Planning Committee, Second International Riverbank Filtration Conference, 2003
2002 - 2003: Research Advisory Council (RAC), AWWA Research Foundation, 1998-2004
2002 - 2003: Chair, Committee on Environmental Remediation at Naval Facilities, Phase II, Water Science and Technology Board, National Research Council, 2000-2003
2001 - 2001: Chair, Committee on Environmental Remediation at Naval Facilities, Phase I, Water Science and Technology Board, National Research Council, 1997-1999