this post was submitted on 31 Jul 2024
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CPC/PortaCount Help

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No Space or Willingness to Own a PortaCount?

  1. Qualitative fit testing is always an option.

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A few Hints About Fit-Testing a Full-Face Respirator, Plus a Reminder to Check Your Exhalation Valves (Again)! (fedia.io)
submitted 3 months ago by fediversefittester@fedia.io to c/CPCSupport@fedia.io
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This is going to be a short one, but hey, it has to be said.

  • It is possible to fit test a full face respirator with a crude adapter made of duct tape. Just make sure to remove the nosecup so you don't miss sampling the exhalation valve. See this for more context.

  • And hey, you might as well do a fit test with the nosecup, just to be sure it all fits nicely.

  • A mysterious fit test failure with my PortaCount-connected-to-a-full-face-respirator also happened to be caused by a broken exhalation valve. Who knew?

  • For those interested, this particular failure occurred after deep breathing, and during the side-to-side exercises.

  • So, if you even a little suspicious your exhalation valve has been slightly warped from use, best to assume it has been.

Fun fact: That giant hole made through the pictured full-face-respirator's lens is an adapter from Dynatech Frontier. If you had any idea what I just said, please go to the microblog section through this link.

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