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brianp's profile
brian pokorny
brian pokorny
brian pokorny
@brianp

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brian pokorny

@brianp

@SVAngel. Some people call me Coach.

San Francisco
Joined March 2007

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    1. Annie Tsai‏ @meannie Nov 15

      Interior air at our house by the front door (14,000) vs. after getting filtered by @molekuleair (5,086) vs outside (41,000) vs. Levoit purifier (7,200) + scale #bayareapic.twitter.com/orahqw7777

      1 reply 1 retweet 6 likes
    2. Dilip Goswami‏ @swamidigital Nov 15
      Replying to @meannie @molekuleair

      The Dylos isn't perfect but it's way better than the cheap amazon temtop measurements I'm seeing most people make. Thanks for posting Annie!

      2 replies 0 retweets 1 like
    3. laurenmyrick‏ @laurenmyrick Nov 16
      Replying to @swamidigital @meannie @molekuleair

      I tested the Temtop against the Dylos outside and got very similar results for PM2.5.pic.twitter.com/9RZYiYdeV8

      1 reply 0 retweets 2 likes
    4. Dilip Goswami‏ @swamidigital Nov 16
      Replying to @laurenmyrick @meannie @molekuleair

      They can correlate, the point is both of them can also diverge depending on the particular changing conditions. Also while the Dylos is better than the temtop, it’s not perfect itself.

      1 reply 0 retweets 1 like
      brian pokorny‏ @brianp Nov 16
      Replying to @swamidigital @laurenmyrick and

      FWIW, a friend shared this with me. A $100,000 mass spectrometry device measuring co2 at 700ppm vs the “cheap” temptop device that’s $100 measuring at 666ppm. The similar results and vast delta in price give me increased confidence in their ability to measure.pic.twitter.com/b3RKf3WFgj

      10:34 PM - 16 Nov 2018
      • 3 Likes
      • Kate Tim Dorsey Christopher Michel
      3 replies 0 retweets 3 likes
        1. New conversation
        2. Annie Tsai‏ @meannie Nov 16
          Replying to @brianp @swamidigital and

          Directionally correct is good enough to drive mass consumption of air purifiers.

          1 reply 0 retweets 1 like
        3. brian pokorny‏ @brianp Nov 16
          Replying to @meannie @swamidigital and

          Sorry, I’m not sure I follow what you’re saying? Also what model Levoit purifier were you using?

          1 reply 0 retweets 1 like
        4. Annie Tsai‏ @meannie Nov 17
          Replying to @brianp @swamidigital and

          I have 2 running in different parts of the house - LV-H132 and LV-H133. Directionally accurate for particulate counts is enough to drive consumer validation that the air is bad enough to buy an air purifier, so either brand works fine.

          1 reply 0 retweets 0 likes
        5. brian pokorny‏ @brianp Nov 17
          Replying to @meannie @swamidigital and

          Thanks for clarifying and good to hear your filters are working! Stay safe!

          1 reply 0 retweets 1 like
        6. Annie Tsai‏ @meannie Nov 17
          Replying to @brianp @swamidigital and

          Glad to see the air quality improve today. Hope the family is coping well.

          0 replies 0 retweets 0 likes
        7. End of conversation
        1. New conversation
        2. brian pokorny‏ @brianp Nov 17
          Replying to @brianp @swamidigital and

          More so, this is not so much about Temtop or Dylos measurement device quality. It’s about safety. I have a new born child which has been my primary concern as babies and elderly are more susceptible to air quality due to wild fires.

          1 reply 0 retweets 2 likes
        3. brian pokorny‏ @brianp Nov 17
          Replying to @brianp @swamidigital and

          “Particulate matter is the principal pollutant of concern from wildfire smoke for the relatively short-term exposures (hours to weeks) often experienced by the public. “ https://www3.epa.gov/airnow/wildfire_may2016.pdf#page7 …

          1 reply 0 retweets 1 like
        4. brian pokorny‏ @brianp Nov 17
          Replying to @brianp @swamidigital and

          If Molekule excels at removing gases, yet the primary concern is particulate matter should your recommendation not be that a Molekule is used in tandem with a HEPA system that are more efficient at removing particulate matter from the air?

          1 reply 1 retweet 3 likes
        5. brian pokorny‏ @brianp Nov 17
          Replying to @brianp @swamidigital and

          Again i ask for the safety of my child, which has been my driving force of concern and research on this topic, as I’m a new parent trying to ensure their safety.

          1 reply 0 retweets 3 likes
        6. Dilip Goswami‏ @swamidigital Nov 17
          Replying to @brianp @laurenmyrick and

          Molekule is very good at both. My 7 month old nephew in Marin is relying on Molekule as well to be safe from smoke, so I get where the concern comes from.

          2 replies 0 retweets 1 like
        7. Dilip Goswami‏ @swamidigital Nov 17
          Replying to @swamidigital @brianp and

          And my point is that toxic gases (including formaldehyde, NOx, other VOCs & hydrocarbons) outnumber particulate 3:1 as a product of wildfire smoke. So if particulate are a concern, these are more so. And luckily, we take care of both. I linked a ref for this in another thread.

          3 replies 0 retweets 0 likes
        8. brian pokorny‏ @brianp Nov 18
          Replying to @swamidigital @laurenmyrick and

          The EPA guide on wild fire smoke contradicts your claims about what should be the greater concern. It clearly states particulate matter is the larger health issue. Gases are an issue, closer proximity to fire and at lower concentrations than particulate matter. Highlighted here:pic.twitter.com/kjNRqjvls4

          1 reply 0 retweets 0 likes
        9. brian pokorny‏ @brianp Nov 18
          Replying to @brianp @swamidigital and

          We will have to agree to disagree, but I share in others extreme frustration at your reluctance to even suggest a HEPA based product could assist in providing healthier environment during these times of mass air pollution.

          1 reply 0 retweets 0 likes
        10. 1 more reply
        1. Dilip Goswami‏ @swamidigital Nov 17
          Replying to @brianp @laurenmyrick and

          They can be close in certain instances and diverge wildly in others is my experience. This is based on the gas mix they are exposed to. CO2 sensors are also relatively more accurate than VOC/Formaldehyde etc that I mentioned. CO2 concentrations also are often more constant.

          0 replies 0 retweets 0 likes
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