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Today at 03:10 AM Respirators (& other breathing filtration) by Russ

Since another thread is primarily about the fires ongoing in CA, I thought it might be timely to start a thread about respirators to deal with one of the by-products of wildfires. First though, what is Smoke?
Smoke is a collection of airborne solid and liquid particulates and gases ...
... so while a particulate filter like an N-95 mask might work well at a distance where all you have is particles and otherwise okay air, nearer the fire there are other gases.

I have two respirators; the first is a 3M half-face which has two filter mounts left & right, (currently w/ P100 particulate filters). While the P100 filters are great at removing particles, they donít do much for gases. I use this mask for shop work when Iím putting lots of sawdust in the air. Sometimes I just where a simple N-95 mask, almost as good.

Then thereís my SundstrŲm full-face respirator, which has a single filter mount on which you can stack/piggyback multiple filters of various types. Of note, the SundstrŲm H05-6121L Wildland First Responder Respirator Kit is similar to mine although in a half mask design. This system comes with both an SR-232 OV/SD/CL/HC/HF (organic vapor, sulfur dioxide, chlorine, hydrogen chloride and hydrogen fluoride) Chemical Cartridge, the SR-510 P100 Particulate Filter and the SR-221 Pre-Filter which can be piggybacked. The Wildland First Responder Respirator Kit also has a Spark Arrester which I donít have.

I mention what I have not as an expert (which Iím not) on what is needed, but as a point of departure for discussion. Iíve never tested my system near a real wildfire. Iím confident it will help a lot as Iím driving away from the area, but if a wildfire is that close, I screwed up by waiting too long.

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Today at 12:59 AM Community Standards by chaosmagnet

Recent events have given me the impression that I need to take a firmer hand in maintaining standards of civility here on ETS. I would rather not spend my time that way.

Look for PMs from me if I need you to change your wording or tone.

I would prefer not to discuss this further publicly. PM me with any questions.


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11/12/18 08:18 PM fresh motivation to pack a "Go bag" by TeacherRO

The california fires have moved me to take a look at a new "go bag" ( and one for the puppy.)

307 Views · 4 Comments
11/09/18 07:03 PM California Wildfires- Nov. by TeacherRO

The fires are large and growing rapidly -- and the evacuation orders cover a large segment of the population.

934 Views · 30 Comments
11/08/18 09:30 PM RSK-G2 by Ors

I just want to say how THRILLED I was when I signed in to the forum last night after being away for months and seeing the announcement about the RSK-G2!

I have a mini RSK, and had a mini and regular sized limited edition RSKís.

HAD bring the operative term...the limited editions were stolen from me.

Now I am looking forward to once again carrying a full size RSK, and with some upgrades!

473 Views · 7 Comments
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