Volunteer Responder Equipment: Difference between revisions

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Respiratory Protection for NETs
Respiratory Protection for NETs
https://www.nytimes.com/2025/08/17/us/wildfire-firefighters-masks-smoke.html?unlocked_article_code=1.fE8.fIRj.LaKtK8TmhSIA&smid=em-share


Hand Protection for NETs
Hand Protection for NETs
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[[Smartphone Apps]]
[[Smartphone Apps]]
== Respiratory Protection ==
[[File:N95.2025 revision.jpg|thumb|507x507px|Illustration by [https://www.hughnewell.com/ Hugh Newell].]]
:''See also: [https://www.cdc.gov/niosh/ppe/php/community-respirators-masks/ CDC guidance on respirators]''
Respiratory protection for NET volunteers gets complicated and weird because there are at least three different scenarios a NET might need a mask for respiratory protection: protection from communicable disease, protection from wildfire smoke, and protection from a hazardous materials release. There is no single mask that can protect against all of those threats, but an N95 comes close. Therefore, the guidance from PBEM is:
* Every NET should carry '''at least quantity two N95 masks in their deployment kit.'''
* N95s have a shelf life, and NETs should note when the masks in their kit expire.
<mark>'''Respiratory protection is a "must have" and among the most important items in a NET kit.'''</mark>
=== N95 Respirators ===
Disposable N95 masks are designed to filter out ≥95% of airborne particles ≥0.3 microns in size. This makes them effective against:
* Fungal spores: most are much larger than 0.3 microns and often 1–30 microns across;
* Pollen: most pollen grains are 10–100 microns in diameter;
* Wildfire smoke: though wildfire smoke is a complex mix of gases and particles, the most significant threat comes from "fine particulate matter" which is particles ≤2.5 microns across;
==== Why are N95s effective against viruses and bacteria? ====
In fact, prior to the COVID-19 pandemic, N95s were ''not'' recommended as an effective barrier against viruses and bacteria (and COVID, for example, is ~0.06–0.14 µm across). What changed? Wired has printed an interesting article about the reasons guidance changed and how new science during COVID prompted those changes.<ref>Molteni, M., & Rogers, A. (2020, July 2). How masks went from Don’t-Wear to Must-Have during the coronavirus pandemic. ''WIRED''. https://www.wired.com/story/how-masks-went-from-dont-wear-to-must-have</ref> But to make a long story short: N95 respirators don’t target viruses floating completely alone — instead, they are designed to block the aerosols and droplets that carry viruses and bacteria. Because of how N95 filters work, they are effective at capturing both those larger particles and even particles smaller than a single virus, which is why they protect against airborne diseases like COVID-19. 
==== What are KN95s? ====
N95s and KN95s have the same filtration target (≥95%). KN95s are manufactured in China under Chinese safety standards, and are common now because of N95 scarcity during the pandemic. However, KN95s are often not of the same quality as N95s and should only be used if there is no alternative. Quality control in KN95 manufacturing is inconsistent, and many KN95s use ear loops instead of headbands (like N95s) possibly allowing less reliable sealing.
=== Respirator Use Matrix ===
(work in progress)
{| class="wikitable"
|+
!
!N95
!KN95
!N100
!P100
!Surgical Mask
!Cloth Mask
|-
|Wildfire smoke
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|House fire or industrial smoke
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|Virus/bacteria aerosol exposure
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|HAZMAT material release
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|Pollen and spores
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|}
== Notes and References ==
<references />
Retrieved from "https://volunteerpdx.net/index.php/Volunteer_Responder_Equipment"