You are here:
Reducing Potential Transmission of COVID-19: Evaluating Aerosol Treatment Technologies & Modeling Aerosolized SARS-CoV-2
Citation:
Ratliff, K. Reducing Potential Transmission of COVID-19: Evaluating Aerosol Treatment Technologies & Modeling Aerosolized SARS-CoV-2. To be Presented at AEHS Foundation 30th Annual International Conference on Soil, Water, Energy, and Air, NA, Virtual, March 22 - 25, 2021.
Impact/Purpose:
This presentation introduces EPA's research related to reducing exposure to aerosolized SARS-CoV-2. EPA researchers are evaluating different types of air treatment technologies (including both devices and products) that report to reduce aerosolized virus concentrations. EPA is also conducting modeling studies of an office setting to evaluate the potential exposure risk to office workers, as well as what sorts of modifications or interventions can be made to reduce the risk of exposure. This presentation is an introduction of these two research efforts for a broad scientific community.
Description:
Reducing the risk of exposure to SARS-CoV-2 relies on effective cleaning and disinfection, along with continued social distancing practices. EPA researchers are evaluating innovative ways to inactivate aerosolized virus and reduce airborne transmission of COVID-19 in large spaces, such as office environments and mass transit settings, that are intended for use in occupied spaces. Different devices and product technologies, including UV-C, chemical-based, and physical removal, will be assessed for their ability to reduce airborne virus concentrations in indoor environments. Researchers are also studying indoor air pathways to determine whether exhaled aerosols spread over distance in an office environment. This work focuses on an “open office” or cubicle work environment where there is concern about the potential for direct movement of aerosols from an infected or asymptomatic individual to others. Researchers will test the impact of practical office modifications that could potentially reduce viral exposure. This information will provide stakeholders with data on the effectiveness of available products in reducing aerosolized SARS-CoV-2. Researchers are building on a foundation of research of SARS-CoV-2 surface disinfection in mass transit settings, working collaboratively with New York City Metropolitan Transportation Authority and the Los Angeles Metropolitan Transportation Authority to test real-world applications.