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{
  "text": "* The air we exhale contains around 40.000ppm, meaning that an increase of 400ppm above the atmospheric baseline of 420ppm to 820ppm means the air contains around 1% exhaled air. 2400ppm ~ to 5% exhaled air. Assuming no other relevant CO2 sources in the room.",
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  "createdAt": "2025-05-15T06:53:02.962Z"
}