SCOTTSDALE, Ariz. — The National Air Filtration Association welcomed more than 240 members to its 31st Technical Seminar — TECH2012. The agenda focused on research, the indoor environment, and developments with ANSI/ASHRAE 52.2, the standard for the method of testing general ventilation air-cleaning devices for removal efficiency by particle size.
Hal Levin, Building Ecology Research Group (Santa Cruz, Calif.), presented his most recent research and technology on ozone and its effect on the indoor environment. Levin highlighted the growing concerns over O3 and its impact on the ozone in combination with other contaminants and chemicals in the environment. He also held a discussion on ways to remove ozone from outdoor and indoor air using the correct molecular filtration.