obra’s avatarobra’s Twitter Archive—№ 46,643

      1. Boarded AS1352 BOS-SFO.
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    1. …in reply to @obra
      Doors closed. On the ground. Predeparture CO2 of 2242 at seat level.
      https://pbs.twimg.com/media/FZlu01vXgAEjQhG.jpg
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  1. …in reply to @obra
    1391 ppm CO2 out of the vent.
    https://pbs.twimg.com/media/FZlvbPqXoAgfmZ2.jpg
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