Conference Papers & Presentations

Schmidt PJ, Emelko MB, 2022. A New Approach to Estimating Microbial Concentrations from qPCR Data based on Not-so-new Quantitative Microbiology Theory. Accepted, CWWA's National Water & Wastewater Conference 2022, Halifax, NS, Canada, November 6-9.

Schmidt PJ, Cameron ES, Müller KM, Emelko MB, 2022. Amplicon Sequencing Diversity Analysis: Multinomial Models and Variants You Don't Know You Didn't See. Statistical Society of Canada 2022 Annual Meeting, Virtual, June 3 [Statistical Methods for Health Sciences, Extreme Risk, and Extremal Dependence session].

Schmidt PJ, Anderson WB, Emelko MB, 2021. Math Matters! When a Small Mathematical Error has Big Consequences on Data Analysis, Regulation, and Risk-based Protection of Public Health. The Society for Risk Analysis – European Conference 2021, Virtual, June 14.

Schmidt PJ, Emelko MB, Thompson ME, 2021. Modelling Oneself out of Uninformative Data: Non-identifiability and its Under-appreciated Perils. Statistical Society of Canada 2021 Annual Meeting, Virtual, June 8 [Outliers and Model Validity session].

Chik AHS, Anderson WB, Blaschke AP, Emelko MB, Schijven JF, Schmidt PJ, 2021. Perspectives, Insights, and Outlook concerning Microbial Water Quality Evaluations for the Water Industry. 2021 Ontario's Virtual Water Conference & Trade Show, April 30 [University Research session].

Schmidt PJ, Anderson WB, Emelko MB, 2021. Avoiding the Average Log-Reduction Seduction: Incorrect Calculation of Average Water Treatment Performance Can Be Very Misleading. AWWA's Virtual Summit - Sustainable Water, PFAS, Waterborne Pathogens, February 10 [Session: Evaluating Pathogen Removal and Health Risk (VS1_22)].

Schmidt PJ, Anderson WB, Emelko MB, 2020. Math Matters! When a Small Mathematical Error has Big Consequences on Data Analysis, Regulation, and Risk-Based Protection of Public Health. 2020 SRA (Society for Risk Analysis) Virtual Annual Meeting, Dallas, TX, USA, December 14 [poster].

Elbadri N, Emelko MB, Schmidt PJ, Hennebry J, 2020. Evaluation of Microbial Health Risks Faced by Seasonal Migrant Farmworkers: A Canadian Case Study. 2020 SRA (Society for Risk Analysis) Virtual Annual Meeting, Dallas, TX, USA, December 14 [poster].

Emelko MB, Stone M, Müller KM, Silins U, Skwaruk J, Shardlow T, Emmerton C, Cooke CA, Schmidt PJ, 2020. Drinking Water Source Quality and Treatability Impacts of Severe Wildfire at the Large Basin Scale: The Legacy of the 2016 Horse River Wildfire in Fort McMurray, Canada. AGU20 Fall Meeting Online, December 10 [H095-04 Session: Point- to Catchment-Scale Effects of Wildfire on Hydrology, Water Resources, and Ecosystems II].

Cameron ES, Schmidt PJ, Müller KM, Emelko MB, 2020. An Evaluation of Approaches for Interpreting Microbial Community Analysis by Amplicon Sequencing: A Cyanobacterial Case StudyAWWA's Virtual Summit on Water Quality and Infrastructure, December 9 [Session: Cyanobacteria and Cyanotoxin Analytical Methods (VS2_27)]. 

Cameron ES, Schmidt PJ, Müller KM, Emelko MB, 2020. An Evaluation of Approaches for Interpreting Microbial Community Analysis by Amplicon Sequencing: A Cyanobacterial Case Study. Submitted, AWWA's Water Quality Technology Conference & Exposition (WQTC), Schaumburg, IL, USA, November 15-19. [Conference cancelled due to COVID-19 pandemic.]

Emelko MB, Schmidt PJ, Anderson WB, 2020. Public Health Implications of Common Mis-characterization of Pathogen Inactivation. Submitted, Canadian Institute of Public Health Inspectors (CIPHI) 86th National Annual Education Conference, Ajax, ON, Canada, October 4-7. [Conference postponed until September 11-14, 2022 due to COVID-19 pandemic.]

Elbadri N, Emelko MB, Schmidt PJ, Hennebry J, 2020. Quantitative Evaluation of Microbial Health Risks Faced by Migrant Farm Workers in Canada's Seasonal Agricultural Worker Program. Submitted, Canadian Institute of Public Health Inspectors (CIPHI) 86th National Annual Education Conference, Ajax, ON, Canada, October 4-7. [Conference postponed until September 11-14, 2022 due to COVID-19 pandemic.]

Schmidt PJ, Emelko MB, 2020. Advances in Quantitative Microbial Risk Assessment to Refine Information for Public Health Decision-making. Submitted, Canadian Institute of Public Health Inspectors (CIPHI) 86th National Annual Education Conference, Ajax, ON, Canada, October 4-7. [Conference postponed until September 11-14, 2022 due to COVID-19 pandemic.]

Schmidt PJ, Anderson WB, Emelko MB, 2020. Average Log-reduction Isn’t All That Average: Correcting the Mistake of Averaging Log-reduction Values in Drinking Water Treatment Decisions and Risk AnalysisCAWQ's 1st Virtual Canadian Symposium on Water Quality Research, July 24 [Session 4: Water Quality & Treatment].

Schmidt PJ, Emelko MB, Thompson ME, 2019. Fitting the False and Stating Knowledge of the Unknowable: Structural Non-identifiability and the Consequences of Modelling that Ignores it. 2019 Society for Risk Analysis Annual Meeting, Arlington, Virginia, USA, December 11, WED3-B1. 

Emelko MB, Schmidt PJ, Borchardt MA, 2019. Norovirus Risk Assessment Supports Application of a 4-log Virus Treatment Guideline to Subsurface Water SuppliesAWWA's Water Quality Technology Conference & Exposition (WQTC), Dallas, Texas, USA, November 6, WED03-02 [Pathogens: Sources, Characterization, and Risk session].

Schmidt PJ, Ruecker NJ, Kundert KL, Chik AHS, Emelko MB, 2019. Who Needs a Framework for Ensuring Adequate Treatment of Giardia Anyways? Calgary’s Approach to Addressing Enteric Protozoa. AWWA's Water Quality Technology Conference & Exposition (WQTC), Dallas, Texas, USA, November 6, WED03-03 [Pathogens: Sources, Characterization, and Risk session].

Emelko MB, Schmidt PJ, Borchardt MA, 2019. Norovirus Risk Assessment: Many Subsurface Water Supplies Need to be Treated. IWA's 20th Symposium on Health-related Water Microbiology (HRWM), Vienna, Austria, September 19.

Schmidt PJ, Emelko MB, Thompson ME, 2019. Recognizing What Cannot be Known from Available Data: Structural Non-identifiability and its Implications in QMRA and BeyondIWA's 20th Symposium on Health-related Water Microbiology (HRWM), Vienna, Austria, September 17.

Chik AHS, Schmidt PJ, Emelko MB, 2019. Zero, Zilch, Nada: Unadulterated Microbial Non-detects Prevent BiasIWA's 20th Symposium on Health-related Water Microbiology (HRWM), Vienna, Austria, September 15-20 [poster].

Schmidt PJ, Ruecker NJ, Kundert KL, Chik AHS, Emelko MB, 2019. What about Giardia? Exploring Monitoring and Regulatory Frameworks when a City’s Raw Water Source has more Giardia than CryptosporidiumIWA's 20th Symposium on Health-related Water Microbiology (HRWM), Vienna, Austria, September 15-20 [poster].

Schmidt PJ, Emelko MB, Borchardt MA, 2019. Norovirus Risk Assessment Demonstrating the Need for 4-log Virus Treatment in Subsurface Municipal Water SuppliesOntario’s Water Conference & Trade Show, Ottawa, ON, Canada, May 7, TUES-02 [Groundwater session].

Chik AHS, Schmidt PJ, Emelko MB, 2018. Demystifying Microbial Non-detects: Raw and UncensoredAWWA Water Quality and Technology Conference, Toronto, ON, Canada November 12, MON07.

Chik AHS, Schmidt PJ, Emelko MB, 2018. Microbial Non-Detects: How They Should Be Reported and Why it Matters. National Water & Wastewater Conference, Montreal, QC, Canada.

Arnold AJ, Schmidt PJ, 2018. Pathogen Log-Reduction Goals for Building-Scale DPR: Unique Considerations for Smaller SystemsWateReuse Symposium, Austin, TX, USA.

Schmidt PJ, Arnold AJ, 2018. Demonstrating the Safety of Building-Scale Direct Potable Reuse: How a Pilot System Became an Approved Potable Private Water Supply in Ohio2018 Water Research Foundation Conference, Atlanta, GA, USA.

Schmidt PJ, Arnold AJ, Ashbolt NJ, Cotruvo JA, Emelko MB, 2018. On-Site Direct Potable Reuse Project in Ohio: Not Just Another PilotAWWA International Symposium on Potable Reuse, Austin, TX, USA.

Arnold AJ, Schmidt PJ, 2017. On-Site Direct Potable Reuse: A New Approach for Improving Groundwater SustainabilityNGWA Groundwater Summit, Nashville, TN, USA.

Schmidt PJ, Arnold AJ, Ashbolt NJ, Cotruvo JA, Emelko MB, 2017. On-Site Direct Potable Reuse Project in Ohio: Not Just Another PilotAWWA Water Quality Technology Conference, Portland, OR, USA.

Arnold AJ, Schmidt PJ, 2017. Does On-Site Potable Reuse Have a Role in Water Sustainability? WaterSmart Innovations Conference, Las Vegas, NV, USA.

Schmidt PJ, Arnold AJ, Fugitt RJ, Townsend RL, 2017. On-Site Direct Potable Reuse: Putting Ohio on the Water Recycling MapWateReuse Symposium, Phoenix, AZ, USA.

Schmidt PJ, Arnold AJ, 2017. Reducing Dependency Upon Private Well and Septic Water Systems Through On-Site Direct Potable ReuseASABE Annual International Meeting, Spokane, WA, USA.

Arnold AJ, Schmidt PJ, 2017. On-Site Direct Potable Reuse: Reducing Dependency upon Private Well and Septic Water SystemsWater Reuse in Texas Conference, El Paso, TX, USA.

Ruecker N, Mayberry P, Schmidt PJ, Emelko MB, 2016. Long-Term Trending of Parasite Source Water Data for the City of Calgary: Facts, Fictions and Potential ImpactsAWWA Water Quality Technology Conference, Indianapolis, IN, USA.

Schmidt PJ, Agrawal SG, Arnold AJ, Bolton JE, 2016. Exploring Pathogen Log-Reduction Goals for Residential-Scale Direct Potable Reuse Systems Using Reverse QMRA and Meta-AnalysisAWWA Water Quality Technology Conference – Indianapolis, IN, USA [poster].

Emelko MB, Ruecker NJ, Mayberry P, Schmidt PJ, 2016. Assessing Parasite Concentrations in Source Water for Decision Making and Risk AssessmentCanadian National Conference on Drinking Water, Ottawa, ON, Canada.

Emelko MB, Ruecker NJ, Mayberry P, Cheung M, Bounsombath N, Stalker N, Schmidt PJ, Kundert K, 2016. Evaluating Parasite Occurrence in Source Waters: Preventing Bias and Erroneous InterpretationWestern Canada Water Annual Conference, Calgary, AB, Canada.

Schmidt PJ, 2015. Spurious Models and Structural Non-identifiability: Pitfalls in the Quest for a Norovirus Dose-response Model with Good FitSociety for Risk Analysis Annual Meeting, Arlington, VA, USA.

Schmidt PJ, 2015. New Perspectives on Norovirus Dose-response: Why Previous Models may Substantially Over-predict Waterborne RisksAWWA International Symposium on Waterborne Pathogens, Savannah, GA, USA.

Emelko MB, USchmidt PJU, Thompson ME, 2012. How QMRA is Conducted Matters: Case Studies Demonstrating Pitfalls of Data Interpretation and How they can be AvoidedCWWA Canadian National Conference and Policy Forum on Drinking Water, Kelowna, BC, Canada.

Schmidt PJ, Fazil AM, Pintar KDM, Emelko MB, Topp E, 2012. Enhancing our Knowledge about Microbial Risks in Drinking Water by Evaluating the Uncertainty in Dose-response Model Parameters. CWWA Canadian National Conference and Policy Forum on Drinking Water, Kelowna, BC, Canada [poster].

Emelko MB, Schmidt PJ, Thompson ME, 2012. Preventing Bias during QMRAAssessing Pathogen Fate, Transport and Risk in Natural and Engineered Water Treatment, Banff, AB, Canada.

Schmidt PJ, Emelko MB, Thompson ME, 2012. Drinking Water QMRA: Necessary Considerations for Decision-makingSRA World Congress on Risk, Sydney, Australia.

Schmidt PJ, Emelko MB, Thompson ME, 2011. Addressing Variability, Uncertainty, and Measurement Error in Quantitative Microbial Risk AssessmentStatistics, Science and Public Policy, Hailsham, United Kingdom.

Schmidt PJ, Emelko MB, 2010. Using Pathogen Occurrence Data for Risk Analysis and Treatment Decisions: Preventing Bias by Addressing Measurement ErrorAWWA Water Quality Technology Conference, Savannah, GA, USA.

Schmidt PJ, Emelko MB, Thompson ME, 2010. Case Studies of the Analysis of Microbial Data: Are Random Measurement Errors Associated with Data Causing us to Disregard Important Results? CWWA Canadian National Conference and Policy Forum on Drinking Water, Saskatoon, SK, Canada.

Emelko MB, Schmidt PJ, 2010. QMRA: Making Definite Steps toward Improved Decision-making under Ever Present UncertaintyCWWA Canadian National Conference and Policy Forum on Drinking Water, Saskatoon, SK, Canada.

Roberson JA, Schmidt PJ, Emelko MB, 2010. Using Statistical Models to Transform Microbial Monitoring Data into Information for Decision-makersAWWA International Symposium on Waterborne Pathogens, Manhattan Beach, CA, USA.

Schmidt PJ, Emelko MB, Thompson ME, 2008. Getting Better Microbial Data: Strategies to Quantify and Reduce UncertaintyAWWA Water Quality Technology Conference, Cincinnati, OH, USA [poster].

Schmidt PJ, Emelko MB, 2008. Rigorous Quantitative Analysis of Microbial Enumeration DataCentral Canadian Symposium on Water Quality, Burlington, ON, Canada.

Schmidt PJ, Emelko MB, 2007. Statistical Analysis of Microbial Data Obtained by Serial Dilution – Agar Plate MethodsAWWA Water Quality Technology Conference, Charlotte, NC, USA.

Emelko MB, Schmidt PJ, 2006. Guidance for Reporting and Regulating Microbial Concentrations and Removals. Proceedings, 12th National Conference on Drinking Water, Saint John, NB, Canada, April 1-4.

Schmidt PJ, Emelko MB, Reilly PM, 2005. Design and Analysis of Recovery Studies for Pathogen and Other Discrete Particle Enumeration MethodsAWWA Water Quality Technology Conference,Quebec, PQ, Canada [poster].