Experts say NO to #ionization & #oxidant “purification” systems. masslive.com/coronavirus/20…
“As officials search for solutions to protect classrooms from the novel coronavirus. Unfortunately, in this case, school administrators may have fallen for snake oil, and taxpayers are footing the bill.”
“Most tested the ionization devices on small rooms or tiny chambers without sufficient controls. Moreover, none of the research is peer-reviewed.”
“Much of the proof of their performance is in the form of laboratory studies commissioned by manufacturers that are often performed under conditions that are not representative of actual application conditions.”

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More from @Parents4IAQ

5 Feb
Unproven and potentially harmful H2O2 purification system being used at low-income schools while high-income schools receive safe #HEPA. #filtration coloradosun.com/2021/02/02/col…
“The Adams 14 district, a smaller district serving students from more low-income families, has spent $1.1 million on new devices...””The device pulls oxygen and moisture out of the air and pushes out dry hydrogen peroxide that can kill viruses in the air.”
“Experts say that the technology doesn’t have a long track record, despite the research that the company touts, and some experts worry that doing chemistry in the air could result in unintended consequences. Several researchers do not think it’s a good idea.”
Read 8 tweets
4 Feb
Nearly one million Californians may be exposed to potentially harmful pollutants emitted by #PCO devices. This now includes school children across the country. Paid for by #CARESAct funds. #ventilation #filtration #COVID #schoolreopening #schoolsafety #ReOpenSafely #snakeoil
Read 4 tweets
4 Feb
Experts say NO to oxidant air cleaners! Oxidants are NOT friendly. They cause inflammation and disease in the body.
Oxidants are reactive molecules that are produced both inside your body and the environment that can react with other cellular molecules in your body such as protein, DNA and lipids. When it does that, it damages molecules and it's what causes disease and inflammation.
When it does that, it damages molecules and it’s what causes disease and inflammation.
Read 4 tweets
3 Feb
I commend @AirResources for their regulation on O3 thanks to amazing researchers👇🏼I’d like to know when other oxidant producing purifiers will also be regulated? Many schls have implemented these devices w/ #CaresAct funds. Experts agree: No to adding ANY oxidants to indoor air.
We need you to regulate this ASAP as many schools have already purchased & implemented these systems due to their presences on the #CARB approved list. #schoolreopening #schoolclosures #schoolsafety #COVID19 #ListenToTheExperts #hygienetheater #snakeoil
Read 4 tweets

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