A cofounder of Safe Schools Coalition B.C. recently took a carbon-dioxide monitor to Pacific Centre in downtown Vancouver.
Jennifer Heighton did this to demonstrate what consumers can do to reduce their likelihood of contracting COVID-19.
Much to Heighton’s delight, two big stores in the mall—the Bay and Nordstrom—scored exceptionally well.
Her best measurement came in the Bay, which had readings of about 500 parts per million on each floor.
Next best was Nordstrom, which clocked in at 535 parts per million.
Heighton used a portable Aranet4 carbon-dioxide monitor, which tracks this gas.
It can be used as a proxy indicator for human-expelled aerosols, which carry the virus that causes COVID-19.
The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) recommends a level of 800 to 1,000 parts per million of carbon dioxide in indoor air.
In the mood for new shoes? Nordstrom at Pacific Centre is keeping the air clean in the midst of a pandemic. Amanda Siebert
The change rooms in the Bay and Nordstrom remained below the ASHRAE threshold but were still higher than levels on the floor.
Many other stores were in the 600 to 750 parts per million range.
Even the food court in Pacific Centre had a decent reading.
However, that was not the case in the food-court washroom, which posed a dreadful reading of 1,412 parts per million.
You can read Heighton’s entire Twitter thread below.
https://twitter.com/jheighton3/status/1503963493115916289https://twitter.com/jheighton3/status/1503963509519912968https://twitter.com/jheighton3/status/1503963541727969281https://twitter.com/jheighton3/status/1503963572774207497https://twitter.com/jheighton3/status/1503963602545373189https://twitter.com/jheighton3/status/1503963604848062467
One of Heighton’s followers tweeted that Meeku at Metrotown also has a low level of carbon dioxide in the air.
https://twitter.com/ryderseashells/status/1502884049412534274
The B.C. government’s recent decision to scrap indoor mask mandates has upped the ante for shoppers with compromised immune systems. But with these carbon-dioxide monitors, it’s possible to put one’s mind at ease to a certain extent.
According to ES-Canada.com, an Aranet4 carbon-dioxide monitor costs $299 (as of this writing) with delivery in two to six business days.
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Originally Appeared Here