Adequate ventilation can curb the spread of COVID. Here’s what we know about ventilation inside NYC schools.

Adequate ventilation can curb the spread of COVID. Here’s what we know about ventilation inside NYC schools.

From Chalkbeat:

Inside a century-old red brick building on the edge of Manhattan’s Chinatown, Joanne O’Neill and her custodial staff have been hustling.

In the morning, two hours before students arrived for summer camp, approximately 70 window air conditioning units were flipped on, and all windows – the primary source of ventilation in the building – were opened. Once classrooms were occupied, O’Neill’s team checked carbon dioxide levels, a proxy for a space’s air quality and its concentration of aerosols. Throughout the day, the team would complete other maintenance tasks, such as installing new MERV-13 filters in window units and disinfecting high-touch surfaces like door knobs and light switches. At night, every room had to be properly sanitized. The routine will likely be the same when school opens Sept. 13.

“We strive to get buildings to a point where parents, teachers, and administrators feel comfortable coming in – that’s kind of our mission,” said O’Neill, custodial engineer at P.S. 42, which serves about 500 students from pre-kindergarten through fifth grade. “We’re doing the best we can.”

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