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Exposure Research

Records 1 to 70 of 70
Lindquist, H., A. Dufour, L. Wymer, AND F. Schaefer. CRITERIA FOR EVALUATION OF PROPOSED PROTOZOAN DETECTION METHODS. Journal of Microbiological Methods 37(1), (1999).
2014
Suppes, L., L. Abrell, A. Dufour, AND K. Reynolds. Assessment of swimmer behaviors on pool water ingestion. JOURNAL OF WATER AND HEALTH. IWA Publishing, London, Uk, 12(2):269-279, (2014).
Haugland, R., S. Siefring, M. Varma, A. Dufour, K. Brenner, Tim Wade, E. Sams, S. Cochran, S. Braun, AND M. Sivaganesan. Standardization of enterococci density estimates by EPA qPCR methods and comparison of beach action value exceedances in river waters with culture methods. JOURNAL OF MICROBIOLOGICAL METHODS. Elsevier Science Ltd, New York, NY, 105(7):59-66, (2014).
Heaney, C., N. Exum, A. Dufour, K. Brenner, R. Haugland, E. Chern, K. Schwab, D. Love, M. Serre, R. Noble, AND Tim Wade. Water Quality, Weather and Environmental Factors Associated with Fecal Indicator Organism Density in Beach Sand at Two Recreational Marine Beaches. SCIENCE OF THE TOTAL ENVIRONMENT. Elsevier BV, AMSTERDAM, Netherlands, 497(11):440-447, (2014).
2013
WYMER, L. J., T. J. WADE, AND A. P. DUFOUR. Equivalency of risk for a modified health endpoint: a case from recreational water epidemiology studies. BMC PUBLIC HEALTH. BioMed Central Ltd, London, Uk, 13(459):1-8, (2013).
2012
Converse, R., E. A. SAMS, T. J. WADE, A. P. DUFOUR, J. S. JAGAI, AND A. Egorov. Feasibility of Serial Saliva Collection for Surveillance of Swimming-Associated Illness. Presented at International Society for Environmental Epidemiology (ISEE) Annual Meeting, Columbia, SC, August 27 - 30, 2012.
Heaney, C. D., E. A. SAMS, A. P. DUFOUR, K. P. BRENNER, R. A. HAUGLAND, E. C. CHERN, S. Wing, S. Marshall, D. C. Love, M. Serre, R. Noble, AND T. J. WADE. Fecal indicators in sand, sand contact, and risk of enteric illness among beach-goers. EPIDEMIOLOGY. Lippincott Williams & Wilkins, Philadelphia, PA, 23(1):95-106, (2012).
WADE, T. J., A. P. DUFOUR, E. A. SAMS, AND M. Beach. Incidence and burden of earaches due to recreational swimming: Results from a nationwide study ofover 50,000 respondents. Presented at International Society of Environmental Epidemiology (ISEE) Annual Meeting, Columbia, SC, August 26 - 30, 2012.
Converse, R., J. Kinzelman, E. E. HUDGENS, E. A. SAMS, A. P. DUFOUR, AND T. J. WADE. Reductions in Gull Populations Improve Beachwater Quality. Presented at American Society for Microbiology General Meeting, San Francisco, CA, June 16 - 19, 2012.
2010
WADE, T. J., E. A. SAMS, K. P. BRENNER, R. A. HAUGLAND, E. C. CHERN, M. Beach, L. J. WYMER, C. C. RANKIN, D. Love, Q. Li, R. Noble, AND A. P. DUFOUR. Rapidly measured indicators of recreational water quality andswimming-associated illness at marine beaches: a prospective cohort study. ENVIRONMENTAL HEALTH. Academic Press Incorporated, Orlando, FL, 9(1):66, (2010).
2009
WADE, T. J., A. P. DUFOUR, AND E. A. SAMS. Assessment of exposures to fecally-contaminated recreational water. Presented at International Society of Exposure Science (ISES), Minneapolis, MN, November 01 - 05, 2009.
Heaney, C. D., T. J. WADE, E. A. SAMS, R. L. CALDERON, M. Beach, AND A. P. DUFOUR. Contact with beach sand among beach-goers and risk of illness. AMERICAN JOURNAL OF EPIDEMIOLOGY. Johns Hopkins Bloomberg School of Public Health, 170(2):164-172, (2009).
Heaney, Christopher, E. A. SAMS, K. P. BRENNER, R. A. HAUGLAND, L. J. WYMER, A. P. DUFOUR, AND T. J. WADE. Contact with beach sand, concentrations of fecal indicators, and enteric illness risk. Presented at BEACHES conference, Huntington Beach, CA, April 20 - 22, 2009.
WADE, T. J., E. A. SAMS, K. P. BRENNER, L. J. WYMER, R. A. HAUGLAND, A. P. DUFOUR, AND A. P. DUFOUR. Health effects and water quality at marine sites: Results from the National Epidemiologic and Environmental Assessment of Recreational Water. Presented at BEACHES conference, Huntington, CA, April 20 - 22, 2009.
Telech, J., K. P. BRENNER, R. A. HAUGLAND, E. A. SAMS, A. P. DUFOUR, AND T. J. WADE. Modeling enterococcus densities measured by quantitative polymerase chain reaction and membrane filtration using environmental conditions at four Great Lakes beaches. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 43(19):4947-4955, (2009).
2008
LI, L. AND A. P. DUFOUR. Interferon Gamma as a Biomarker of Exposure to Enteric Viruses. Presented at 2008 Joint ISEE-ISEA Conference, Pasenda, CA, October 12 - 16, 2008.
LI, L. AND A. P. DUFOUR. Loss of Virus-Specific Memory T. cells in Coxsackievirus B3 and B4 Infected Mice. Presented at FOCIS Meeting, Boston, MA, June 05 - 09, 2008.
2007
MCDANIELS, A. E., C. C. RANKIN, L. J. WYMER, A. P. DUFOUR, AND K. OSHIMA. EFFICIENT RECOVERY OF ENTEROCOCCI FROM MARINE AND FRESH WATER BEACHES BY A 30,000 MOLECULAR WEIGHT CUTOFF HOLLOW FIBER ULTRAFILTER. Presented at American Society for Microbiology General 107th Meeing, Toronto, ON, CANADA, May 21 - 25, 2007.
DUFOUR, A. P. EPA'S EXPERTISE IN MICROBIOLOGICAL AND CHEMICAL DETECTION. Presented at 2007 Clean Water Partnership Summit, Cincinnati, OH, September 05 - 06, 2007.
DUFOUR, A. P. Incidental Water Ingestion During Recreational Swimming. Presented at 2007 International Society for Exposure Analysis Annual Meeting, Raleigh, NC, October 15 - 18, 2007.
DUFOUR, A. P. REAL-TIME MICROBIAL ENSOR FOR RECREATIONAL WATER. Presented at 2007 Clean Water Summit, Cincinnati, OH, September 05, 2007.
DUFOUR, A. P. RECREATIONAL WATER QUALITY AND SWIMMING ASSOCIATED HEALTH EFFECTS - 7TH ANNUAL WATER MONITORING CONFERENCE. Presented at 7th Annual Water Monitoring Conference, Ames, IA, February 01 - 02, 2007.
WYMER, L. J., A. P. DUFOUR, AND C. MCGEE. TEMPORAL VARIABILITY OF MICROBIAL INDICATORS OF FECAL CONTAMINATION OF MARINE AND FRESHWATER BEACHES. Presented at American Society for Microbiology General 107th Meeting, Toronto, BC, CANADA, May 21 - 25, 2007.
DUFOUR, A. P. AND S. SCHAUB. THE EVOLUTION OF WATER QUALITY IN THE UNITED STATES - 1922-2003. Chapter 1, L. J. Wymer (ed.), Statistical Framework for Recreational Water Quality Criteria and Monitoring. John Wiley and Sons, LTD, , Uk, , 1-12, (2007).
2006
EVANS, O. M., L. J. WYMER, T. D. BEHYMER, AND A. P. DUFOUR. AN OBSERVATIONAL STUDY: DETERMINATION OF THE VOLUME OF WATER INGESTED DURING RECREATIONAL SWIMMING ACTIVITIES. Presented at National Beaches Conference, Niagra Falls, NY, October 10 - 13, 2006.
WADE, T. J., R. L. CALDERON, E. A. SAMS, M. BEACH, K. P. BRENNER, A. H. WILLIAMS, AND A. P. DUFOUR. CAN RAPID MEASURES OF RECREATIONAL WATER QUALITY PREDICT SWIMMING ASSOCIATED GASTROINTESTINAL ILLNESS? ENVIRONMENTAL HEALTH PERSPECTIVES. National Institute of Environmental Health Sciences (NIEHS), Research Triangle Park, NC, 114(1):24-28, (2004).
BISSONETTE, E., G. CARROLL, A. P. DUFOUR, J. A. GOODRICH, B. HENDERSON, L. NEWLAND, C. SODERBERG, F. GILBES, F. ROMAN, I. SANTIAGO, J. R. SANTOS, G. TORANZOS, AND H. SALAS. COLLOQUIUM ON WATER QUALITY MONITORING AND TESTING IN LATIN AMERICA AND THE CARRIBEAN. Colloquium on Water Quality Monitoring and Testing in Latin American and the Caribbean, San Juan, PR, October 25 - 27, 2005. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-07/030.
WYMER, L. J., A. P. DUFOUR, R. A. HAUGLAND, K. P. BRENNER, R. L. CALDERON, T. J. WADE, E. A. SAMS, AND M. BEACH. COMPARISON OF ILLNESS ENDPOINTS IN SWIMMERS' HEALTH STUDIES. Presented at National Beaches Conference, Niagra Falls, NY, October 10 - 12, 2006.
KINZELMAN, J. L., A. P. DUFOUR, L. J. WYMER, G. REES, K. R. POND, AND R. C. BAGLEY. COMPARISON OF MULTIPLE POINT AND COMPOSITE SAMPLING FOR THE PURPOSE OF MONITORING BATHING WATER QUALITY. LAKE AND RESERVOIR MANAGEMENT. North American Lake Management Society, Madison, WI, 22(2):95-102, (2006).
LI, L. AND A. P. DUFOUR. DEVELOPMENT OF A BIOMARKER SYSTEM FOR DETECTING EXPOSURE TO WATERBORNE VIRAL PATHOGENS. Presented at 2006 EPA Science Forum, Washington, DE, May 16 - 18, 2006.
LI, L. AND A. P. DUFOUR. DEVELOPMENT OF BIOMARKER OF EXPOSURE TO VIRAL PATHOGENS. Presented at FOCIS, San Francisco, CA, June 01 - 05, 2006.
HAUGLAND, R. A., S. SIEFRING, M. VARMA, E. ATIKOVIC, K. P. BRENNER, A. P. DUFOUR, AND L. J. WYMER. EVALUATION OF MATRIX EFFECTS FROM NATIONWIDE INLAND SURFACE WATERS ON QUANTITATION POLYMERASE CHAIN REACTION ANALYSIS FOR FECAL INDICATOR BACTERIA. Presented at National Beaches Conference, Niagra Falls, NY, October 11 - 13, 2006.
DUFOUR, A. P. FOOTPRINTS IN THE SAND: WHERE WE HAVE COME FROM AND WHERE WE NEED TO GO IN RECREATIONAL WATER RESEARCH. Presented at American Society for Microbiology Annual Meeting, Orlando, GA, May 25, 2006.
EVANS, O. M., L. J. WYMER, T. D. BEHYMER, AND A. P. DUFOUR. HOW MUCH WATER DO SWIMMERS DRINK? Presented at World Aquatic Health Conference, Austin, TX, September 19 - 21, 2006.
DUFOUR, A. P. METHODS AND MICROBES FOR MEASURING THE QUALITY OF RECREATIONAL WATERS: PAST, PRESENT AND FUTURE. Presented at Florida Branch of the American Society for Microbiology, Cocoa Beach, FL, March 31 - April 01, 2006.
DUFOUR, A. P. AND L. J. WYMER. MICROBES, MONITORING AND HUMAN HEALTH. OCEANOGRAPHY. Oceanography Society, Rockville, MD, 19(2):72-80, (2006).
BRENNER, K. P., R. L. CALDERON, A. P. DUFOUR, R. A. HAUGLAND, E. A. SAMS, T. J. WADE, AND S. SIEFRING. RAPID HEALTH-BASED METHOD FOR MEASURING MICROBIAL INDICATORS OF RECREATIONAL WATER QUALITY - 2006 EPA SCIENCE FORUM. Presented at 2006 EPA Science Forum, Washington, DC, May 16 - 18, 2006.
GLASSMEYER, S., E. FURLONG, D. KOLPIN, K. P. BRENNER, T. WADE, E. SAMS, R. L. CALDERON, A. P. DUFOUR, AND M. BEACH. UTILITY OF PHARMACEUTICALS AND OTHER EMERGING CONTAMINANTS AS CHEMICAL INDICATORS OF HUMAN FECAL CONTAMINATION. Presented at EPA's National Beaches Conference, Niagra Falls, NY, October 11 - 13, 2006.
DUFOUR, A. P., O. M. EVANS, AND T. D. BEHYMER. WATER INGESTION DURING SWIMMING ACTIVITIES IN A POOL: A PILOT STUDY. JOURNAL OF WATER AND HEALTH. IWA Publishing, London, Uk, 4(4):425-430, (2006).
2005
Wymer, L J., A P. Dufour, R L. Calderon, T J. Wade, AND M. Beach. COMMENT ON "DERIVATION OF NUMERICAL VALUES FOR THE WORLD HEALTH ORGANIZATION GUIDELINES FOR RECREATIONAL WATERS". WATER RESEARCH 39(12):2774-2777, (2005).
Haugland, R A., S D. Siefring, L J. Wymer, K Brenner, AND A P. Dufour. COMPARISON OF ENTEROCOCCUS MEASUREMENTS IN FRESHWATER AT TWO RECREATIONAL BEACHES BY QUANTITATIVE POLYMERASE CHAIN REACTION AND MEMBRANE FILER CULTURE ANALYSIS. WATER RESEARCH 39(4):559-568, (2005).
WADE, T. J., R. L. CALDERON, M. J. BEACH, E. A. SAMS, K. P. BRENNER, AND A. P. DUFOUR. PROTECTING HEALTH WITH SAME DAY WATER QUALITY MONITORING RESULTS FOR BATHING BEACHES. Presented at Annual Meeting, Great Lakes Beach Association, Green Bay, WI, November 02 - 03, 2005.
WADE, T. J., R. L. CALDERON, M. J. BEACH, K. P. BRENNER, E. A. SAMS, AND A. P. DUFOUR. RECREATIONAL WATER QUALITY AND SWIMMER HEALTH - CAN FASTER METHODS OF MEASURING RECREATIONAL WATER HELP PREVENT SWIMMING ASSOCIATED ILLNESS? Presented at International Workshop sponsored by the Sao Paulo State Company for Sanitation and Technology, Sao Paulo, BRAZIL, June 13 - 16, 2005.
DUFOUR, A. P. RECREATIONAL WATER QUALITY AND SWIMMING ASSOCIATED HEALTH EFFECTS. Presented at 22nd Annual NCASM Fall Meeting, San Ramon, CA, October 07 - 08, 2005.
DUFOUR, A. P. WATER QUALITY AND SWIMMING-ASSOCIATED HEALTH EFFECTS. Presented at University of Hawaii, Honolulu, HI, March 02, 2005.
2004
Haugland, R A., S D. Siefring, L J. Wymer, K Brenner, AND A P. Dufour. COMPARISON OF ENTEROCCOCUS DENSITIES DETERMINED BY CULTURE AND QPCR ANALYSES IN WATER SAMPLES FROM TWO RECREATION BEACHES. Presented at New England Association of Environmental Biologists (NEAEB), Hancock, MA, March 17-19, 2004.
SAMS, E. A., R. L. CALDERON, T. J. WADE, M. BEACH, K. P. BRENNER, A. H. WILLIAMS, AND A. P. DUFOUR. GIS ANALYSIS FOR EPIDEMIOLOGIC RECREATIONAL WATER STUDIES. Presented at International Society for Environmental Epidemiologists, New York, NY, August 01 - 04, 2004.
SAMS, E. A., A. H. WILLIAMS, T. J. WADE, M. BEACH, K. P. BRENNER, AND A. P. DUFOUR. PRELIMINARY HEALTH BURDEN ANALYSIS FOR EPIDEMIOLOGIC RECREATIONAL WATER STUDIES - MCEARD. Presented at National Beaches Conference, San Diego, CA, October 13 - 15, 2004.
Haugland, R A., S D. Siefring, K Brenner, A P. Dufour, J. A. Griffith, K. Schiff, S. B. Weisberg, J. Paar, AND K. G. Field. RAPID MEASUREMENT OF BACTERIAL FECAL POLLUTION INDICATORS AT RECREATIONAL BEACHES BY QUANTITATIVE POLYMERASE CHAIN REACTION. Presented at National Beaches Conference, San Diego, CA, October 13-15, 2004.
WADE, T. J., R. L. CALDERON, E. A. SAMS, K. P. BRENNER, M. BEACH, A. H. WILLIAMS, AND A. P. DUFOUR. THE NATIONAL EPIDEMIOLOGICAL AND ENVIRONMENTAL ASSESSMENT OF RECREATIONAL WATERS: RESULTS FROM THE FIRST SUMMER FULL-SCALE STUDIES. Presented at International Society for Environmental Epidemiologists, New York, NY, August 01 - 04, 2004.
Frick, W E., M. Davis, A P. Dufour, R S. Lunetta, J G. Lyon, M Molina, D. Rockwell, G N. Stelma Jr., AND X. Tian. THE U.S. EPA'S VISION FOR A BEACH FORECASTING TOOL. Presented at 3rd International Conference on Marine Waste Water Discharges3rd International Conference on Marine Waste Water Discharges, Catania, Italy, September 27-October 2, 2004.
Dufour, A P. THE UNITED STATES EPA CONCEPT FOR DERIVING WATER QUALITY GUIDELINES FOR RECREATIONAL WATERS. Presented at Workshop: "Monitoring the Quaity of Recreational Waters: Do we need a change of paragdigms?", Tuebingen, Germany, March 28-31, 2004.
2003
Dufour, A P., R L. Calderon, M. Beach, T. J. Wade, AND E A. Sams. NATIONAL EPIDEMIOLOGICAL AND ENVIRONMENTAL ASSESSMENT OF RECREATIONAL WATER STUDY. Presented at The Annual Meeting of the Great Lakes Beach Association, Muskegon, MI, October 21-22, 2003.
Frick, W E., T. Khangaonkar, R. Whitman, A P. Dufour, Z. Yang, G. Korinek, AND C C. West. PREDICTING THE MOVEMENT AND BACTERIA CONCENTRATIONS OF A RIVER PLUME IN LAKE MICHIGAN USING HYDRODYNAMIC MODELING. Presented at State of the Lake 2003 Conference, Muskegon, MI, October 21-22, 2003.
Frick, W E., A P. Dufour, T. Khangaonkar, AND M Molina. TESTING A BEACH BACTERIA MODEL IN LAKE MICHIGAN AND SOUTHERN CALIFORNIA. Presented at Oceans 2003 Marine Technology and Ocean Science Conference, San Diego, CA, September 22-26, 2003.
Haugland, R A., K P. Brenner, A P. Dufour, AND S D. Siefring. THE NEED FOR SPEED - RAPID METHODOLOGIES TO DETERMINE BATHING BEACH WATER QUALITY. Presented at Science Forum 2003, Washington, DC, May 5-7, 2003.
2002
2001
Evans, O M., R Cantu, T D. Behymer, D D. Kryak, AND A P. Dufour. A PILOT STUDY TO DETERMINE THE WATER VOLUME INJESTED BY RECREATIONAL SWIMMERS. Presented at Society for Risk Analysis 2001 Annual Meeting, Seattle, WA, December 2-5, 2001.
Cantu, R, O M. Evans, L J. Wymer, A P. Dufour, AND F K. Kawahara. HPLC DETERMINATION OF CYANURIC ACID IN SWIMMING POOL WATERS USING PHENYL AND CONFIRMATORY POROUS GRAPHITIC CARBON COLUMNS. Analytical Chemistry 73(14):3358-3364, (2001).
Cantu, R, O M. Evans, T D. Behymer, J A. Shoemaker, A P. Dufour, AND F K. Kawahara. SIMPLE SAMPLE CLEAN UP PROCEDURE AND HIGH PERFORMANCE LIQUID CHROMATOGRAPHIC METHOD FOR THE ANALYSIS OF CYANURIC ACID IN HUMAN URINE. Presented at ACS Meeting, San Diego, CA, April 1-5, 2001.
Covert, T C., A. L. Reyes, M R. Rodgers, AND A P. Dufour. THE EFFECT OF TEMPERATURE ON THE GROWTH OF MYCOBACTERIUM AVIUM COMPLEX (MAC) ORGANISMS. Presented at American Society of Microbiology 101st General Meeting, Orlando, FL, May 20-24, 2001.
2000
Wymer, L J. AND A P. Dufour. A MODEL FOR ESTIMATING THE INCIDENCE OF SWIMMING-RELATED GASROINTESTINAL ILLNESS AS A FUNCTION OF WATER QUALITY INDICATORS. Presented at 4th International Conference on Environmetrics and Chemometrics, Las Vegas, NV, September 18-20, 2000.
Cantu, R, O M. Evans, J A. Shoemaker, A P. Dufour, AND A. Dufour. AN HPLC METHOD WITH UV DETECTION, PH CONTROL, AND REDUCTIVE ASCORBIC ACID FOR CYANURIC ACID ANALYSIS IN WATER. Analytical Chemistry 72(23):5820-5828, (2000).
Cantu, R, O M. Evans, F K. Kawahara, AND A P. Dufour. ENHANCED RETENTION AND SENSITIVITY IN THE ANALYSIS OF CYANURIC ACID IN WATER USING POROUS GRAPHITIC CARBON AND UV DETECTION IN HIGH PRESSURE LIQUID CHROMATOGRAPHY. Presented at American Chemical Society 220th National Meeting, Washington, DC, August 20-24, 2000.
Cantu, R, O M. Evans, AND A P. Dufour. RAPID AND SIMPLIFIED HPLC METHOD WITH UV DETECTION, PH CONTROL AND SELECTIVE DECHLORINATOR FOR CYANURIC ACID ANALYSIS IN WATER. Presented at American Chemical Society Regional Meeting, Covington, KY, May 16-19, 2000.
1999
Keyes, J.M H., W E. Frick, AND A P. Dufour. A CASE STUDY USING THE EPA'S WATER QUALITY MODELING SYSTEM, THE WINDOWS INTERFACE FOR SIMULATING PLUMES (WISP). Presented at 19th Annual American Geophysical Union Hydrology Days, Fort Collins, CO, August 16-20, 1999.
LINDQUIST, H., A. P. DUFOUR, L. J. WYMER, AND F. W. SCHAEFER. CRITERIA FOR EVALUATION OF PROPOSED PROTOZOAN DETECTION METHODS. JOURNAL OF MICROBIOLOGICAL METHODS. Elsevier Science Ltd, New York, NY, 37(1):33-43, (1999).
Dufour, A P. RISK AND RISK ASSESSMENT IN WATER-BASED RECREATION. Presented at WHO Public Health Seminar - Recreational Waters: Risks & Benefits, Rome, Italy, February 19, 1999.
1998
Messer, J W. AND A P. Dufour. A RAPID SPECIFIC MEMBRANE FILTRATION PROCEDURE FOR ENUMERATION OF ENTEROCOCCI IN RECREATIONAL WATER. APPLIED AND ENVIRONMENTAL MICROBIOLOGY 64(2):678-680, (1998).


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