Here you will find copies of presentations made by members of the Built Environment Research Group. These are for educational use only.

Navigating the Landscape of Air Cleaning Technologies for COVID-19

  • Brent Stephens and Elliott Gall, U.S. Environmental Protection Agency Indoor Air Quality (IAQ) Science Webinar Series, June 16, 2021 (7 mb)

Outdoor-to-Indoor Transport Mechanisms and Particle Penetration for Fine Particulate Matter

  • Brent Stephens, presentation to the National Academies of Sciences Workshop “Indoor Exposure to Fine Particulate Matter and Practical Mitigation Approaches,” April 14, 2021 (42 mb)

Technical Reading and Writing

  • Brent Stephens, presentation to Built Environment Research Group (BERG) Spring 2021 Research meeting

Mechanistic Transmission Modeling of COVID-19 on the Diamond Princess Cruise Ship Demonstrates the Importance of Aerosol Transmission

  • Brent Stephens, on behalf of co-authors Parham Azimi, Zahra Keshavarz, Jose Cedeno Laurent, and Joseph Allen, Indoor Air 2020, Virtual Conference (Video recording; 82 mb)

Introduction to Indoor Air Quality (IAQ)

  • Brent Stephens, guest lecture (x2) for CAE/ENVE 402 Introduction to Environmental Engineering and Sustainable Design, Illinois Institute of Technology, Chicago, IL, March 23 and March 25, 2020 (31 mb) (Instructor: Dr. Ken Noll)

Estimating the mortality burden of fine particulate matter exposure attributable to indoor and outdoor microenvironments

  • Brent Stephens and Parham Azimi, presentation to the 2019 U.S. Environmental Protection Agency IAQ Science Series Webinar, June 13 2019 (22 mb)

Particle filtration fundamentals

  • Brent Stephens, presentation to the 2019 National Home Performance Conference session on High MERV Filters in Central Air Handler: Opportunities & Challenges, Chicago, IL April 2 2019 (38 mb)

Critically reading and writing articles & the visual display of quantitative information

  • Brent Stephens, presentation to IIT ARCH 602 Crafting a Dissertation course, Chicago, IL March 20, 2018 (35 mb)

Airborne Particulate Matter in Residences: Challenges and Opportunities for Control

  • Brent Stephens, presentation at the ASHRAE Winter 2018 AHR Expo, Chicago, IL, January 22, 2018 (20 mb)

Indoor exposures to outdoor air pollution

  • Brent Stephens, Plenary presentation to Engineering Sustainability 2017, Pittsburgh, PA, April 10, 2017 (33 mb)

Indoor exposures to outdoor air pollution

  • Brent Stephens, Presentation to University of Illinois at Urbana-Champaign Environmental Engineering Graduate Seminar, February 26, 2017

Combining measurements and models to predict the impacts of climate change and weatherization on indoor air quality and chronic health effects in U.S. residences

  • Brent Stephens, Presentation to the annual meeting of the U.S. EPA Indoor Air and Climate Change STAR grantees, Washington, DC, December 8, 2016

What Have We Learned about the Microbiomes of Indoor Environments?

  • Brent Stephens, Webinar and Discussion for the U.S. Environmental Protection Agency (EPA), September 22, 2016

Perspectives on Microbial Interactions in Built Environments

  • Brent Stephens, The National Academies “Microbiomes of the Built Environment: From Research to Application,” Washington, DC, June 20, 2016

Microbiology of the Built Environment (MoBE) research and architectural engineering

  • Brent Stephens, Sloan Foundation MoBE Early Career Workshop, hosted by the University of Chicago, Chicago, IL (23 mb)

Open Source Building Science Sensors (OSBSS): An open source sensor network for indoor environmental data collection

  • Brent Stephens, Virginia Tech graduate air pollution course guest lecture, Blacksburg, VA 2016 (63 mb)

Understanding the mechanistic drivers of indoor exposures to outdoor air pollution

  • Brent Stephens, Washington State University Environmental Engineering graduate seminar, Pullman, WA 2016 (35 mb)

Outdoor air and (non-combustion) appliances as sources of indoor particulate matter (PM)

  • Brent Stephens, Presentation to the IOM National Academies Workshop on the Health Risks of Indoor Exposure to Particulate Matter, February 10, 2016, Washington, DC (5 mb)

Energy and air quality in the built environment

  • Brent Stephens, University of Illinois at Chicago Civil and Materials Engineering graduate seminar, Chicago, IL 2015 (76 mb)

Open Source Building Science Sensors (OSBSS) Advisory Board Meeting

  • Brent Stephens, Akram Ali, and Torkan Fazli, Illinois Institute of Technology, Chicago, IL 2015 (70 mb)

Development and application of a Markov chain model for predicting influenza exposure in indoor environments

  • Parham Azimi, International Society for Exposure Science annual conference, Cincinnati, OH 2014 (2 mb)

Predictions and determinants of size-resolved particle infiltration factors in single-family homes in the U.S.

  • Brent Stephens, International Society for Exposure Science annual conference, Cincinnati, OH 2014 (6 mb)

Ultrafine particle emissions from desktop 3D printers

  • Brent Stephens, NSF Workshop on the Environmental Implications of Additive Manufacturing, Washington, DC 2014 (45 mb)

Predictions and determinants of size-resolved particle infiltration factors in single-family homes in the U.S.

  • Brent Stephens, Indoor Air 2014 Hong Kong (7 mb)

Open Source Building Science Sensors for Indoor Microbiology

  • Brent Stephens, Indoor Air 2014 Hong Kong (10 mb)

HVAC Filtration for Controlling Airborne Influenza Transmission in Indoor Environments: Predicting Risk Reductions and Operational Costs

  • Brent Stephens, Indoor Air 2014 Hong Kong (4 mb)

Markov chain model for predicting probability of influenza transmission and dominant pathways

  • Parham Azimi, Built Environment Research Group Summer Seminar Series, Chicago, IL (2 mb)

Modeling energy implications of dirty filters (initial steps)

  • Rou Yi Yeap and Torkan Fazli, Built Environment Research Group Summer Seminar Series, Chicago, IL (2 mb)

Technical writing tips

  • Brent Stephens, June 2014, Built Environment Research Group Summer Seminar Series, Chicago, IL (10 mb)

Open source building science sensors

  • Akram Ali, June 2014, Built Environment Research Group Summer Seminar Series, Chicago, IL (6 mb)

Graphical information display

  • Brent Stephens, June 2014, Built Environment Research Group Summer Seminar Series, Chicago, IL (22 mb)

Transport of outdoor pollutants into the indoor environment

  • Haoran Zhao and Jihad Zeid, June 2014, Built Environment Research Group Summer Seminar Series, Chicago, IL (2 mb)

Assessing the thermal performance of building enclosure materials using a medium-size hot box chamber

  • Torkan Fazli, June 2014, Built Environment Research Group Summer Seminar Series, Chicago, IL (2 mb)

Mapping outdoor particle size distributions to HVAC filtration efficiency for PM2.5 and ultrafine particles

  • Parham Azimi, June 2014, Built Environment Research Group Summer Seminar Series, Chicago, IL (4 mb)

Predictions and determinants of size-resolved particle infiltration factors across single-family homes in the U.S.

  • Brent Stephens, June 2014, Built Environment Research Group Summer Seminar Series, Chicago, IL (10 mb)

Built environment metadata collection: Methods, sensors, and the Hospital Microbiome Project

  • Brent Stephens, June 2014, 3rd Annual Conference on the Microbiology of the Built Environment, Boulder, CO (19 mb)

Indoor exposures to outdoor air pollution

  • Brent Stephens, May 2014, Guest lecture to CE 260, Northwestern University, Evanston, IL (22 mb)

Introduction to the Building Science to Advance Research in the Microbiology of the Built Environment Workshop

  • Brent Stephens, May 2014, IIT, Chicago, IL (4 mb)

Building science measurements in the Hospital Microbiome Project

  • Tiffanie Ramos, April 2014, M.S. ENVE Thesis defense, IIT, Chicago, IL (14 mb)

Indoor exposures to outdoor air pollution

  • Brent Stephens, April 2014, University of Illinois at Chicago (UIC) Occupational and Environmental Health and Safety ERC Seminar, Chicago, IL (23 mb)

Energy and air quality in the built environment

  • Brent Stephens, February 2014, Northwestern University Environmental Engineering Graduate Seminar, Evanston, IL (17 mb)

Energy and air quality in the built environment

  • Brent Stephens, February 2014, IIT CAEE Graduate Seminar, Chicago, IL (110 mb)

Building science measurements for the Hospital Microbiome Project

  • Brent Stephens, January 2014, ASHRAE Winter Conference 2014, New York, NY (30 mb)

Building design and operational choices that impact indoor exposures to outdoor particulate matter inside residences

  • Brent Stephens, January 2014, ASHRAE Winter Conference 2014, New York, NY (4 mb)

Filtration for the prevention of airborne infectious disease transmission

  • Brent Stephens, November 2013, Filtration 2013, Chicago, IL (4 mb)

Building design and operational choices that impact indoor exposures to outdoor particulate matter inside residences

  • Brent Stephens, October 2013, ASHRAE IAQ 2013, Vancouver, CA (4 mb)

Ultrafine particle emissions from desktop 3D printers

  • Brent Stephens, October 2013, AAAR 2013, Portland, OR (53 mb)

Indoor exposures to outdoor air pollution

  • Brent Stephens, October 2013, ACSA/AIA Housing Research Lecture Series, webinar (13 mb)

Residential HVAC filtration: Energy and airflow impacts

  • Brent Stephens, June 2013, ASHRAE Summer Conference 2013 (62.2 IAQ subcommittee meeting), Denver, CO (6 mb)