2022-10-05
A study examining the effectiveness of portable HEPA filters in reducing ultrafine particles (UFPs) from aircraft and traffic sources in five schools near Sea-Tac International Airport. The research found that HEPA cleaners significantly reduced indoor UFP concentrations to one-half to one-tenth of outdoor levels. Atmosphere 2022: https://www.mdpi.com/2073-4433/13/10/1623
2022-10-05
A study examining the effectiveness of portable HEPA filters in reducing ultrafine particles (UFPs) from aircraft and traffic sources in five schools near Sea-Tac International Airport. The research found that HEPA cleaners significantly reduced indoor UFP concentrations to one-half to one-tenth of outdoor levels.
By Gus Simonds Special to The Times Enough sweatpants and Zoom meetings already. Employees who have worked from home since March because of COVID-19 want to get back to the office to enjoy the face-to-face camaraderie and collaboration with mentors and teammates. Parents are anticipating getting their children back into the classroom. Winter is approaching, making
Engineers at Sea-Tac Airport are working to boost safety around the coronavirus inside the new North Satellite Terminal with an improved HVAC system. Author: Glenn Farley Published: 8:30 PM PDT August 26, 2020 SEATAC, Wash. — Some passengers may be nervous about flying in airplanes right now over the fear of contracting coronavirus, but what
How to make indoor air safer (but not necessarily safe) during the pandemic. By Brian Resnick@B_resnickbrian@vox.com Part of The Vox guide to navigating the coronavirus crisis SARS-CoV-2, the virus that causes Covid-19, can float in the air. In particular, it can linger in poorly ventilated indoor spaces, spreading farther than 6 feet from
Diagram showing the relative sizes of a human hair, dust mite, ragweed, pollen in microns. PM25 refers to 2.5 microns.
Mr. Wachtel is a member of the SeaTac City Council and chairs their Aviation Advisory Committee. The following letter was e-mailed to key Councilmembers in Des Moines, SeaTac, Normandy Park, Tukwila and Federal Way. Hi Joel, As I mentioned at yesterday’s Highline Forum, HB2315 is moving ahead very fast. There have been two hearings so
$1,000 can raise a class’s test scores by as much as cutting class size by a third. By Matthew Yglesias@mattyglesiasmatt@vox.com An emergency situation that turned out to be mostly a false alarm led a lot of schools in Los Angeles to install air filters, and something strange happened: Test scores went up. By a