****!!!!**** "Apart from California Air Resources Board requirements, no U.S. standard, regulation, or industry consensus program requires measurement and disclosure of ozone production by air cleaners."

EPA recommends precautions to reduce the potential airborne transmission of the virus, such as ventilation and air filtration as a part of a larger strategy that includes minimizing close contact, surface cleaning, handwashing, and other precautions.

This article provides evidence-based recommendations for the correct use of “respiratory devices” in the COVID-19 emergency to protect healthcare workers from contracting the SARS-CoV-2 infection https://bit.ly/2wEcyHW

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"Four House committee chairs say they have "serious questions" about the adequacy of the CDC's guidance on workplace protection from aerosol transmission." "For the last two weeks, scientists, experts and unions have been prodding the administration to be more specific about guidance on exposure to small aerosol particles that carry COVID-19, which they say the CDC's official guidelines downplay. " "If an emergency temporary standard is deemed necessary by OSHA, it would be the first enforceable nationwide standard for face masks in America's workplaces. "

HVAC strategies with potential to reduce the risks of infectious aerosol dissemination: air distribution patterns, differential room pressurization, personalized ventilation, source capture ventilation, filtration (central or local),and controlling temperature and relative humidity. [Doc includes Ventilation requirements for Healthcare, & general areas. Concerns about healthiness of outdoor air. Etc] American Society of Heating, Refrigerating and Air-Conditioning Engineers

Learn more about ASHRAE Offers COVID-19 Building Readiness/Reopening Guidance at ashrae.org

Occupational Safety and Health Administration methods to measure Chlorine Dioxide concentrations using various sampling methods

Guidelines for operating and checking buildings in dealing with COVID-19

Unless the pesticide product label specifically includes disinfection directions for fogging, fumigation, wide-area or electrostatic spraying, or application via drones (i.e., unmanned aerial vehicles (UAV)), EPA does not recommend using these methods.