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UER Mobile > Rookie Forum > Masks & Respirators: Everything you ever wanted to know (Viewed 104706 times)

post by Send4Help   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 80 on 12/8/2014 6:56 PM >

Posted by unyi5465
What would be best for asbestos?


See the information in the comment directly above your post ;)


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post by CatAndTie   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 81 on 1/18/2015 3:43 PM >

Another question regarding beards. Is it better to wear a mask with a beard even though that means it won't be completely air tight or better to go without?

I think I remember reading somewhere that if you have a mask that is not completely air tight it could actually be worse than no mask, but that didn't fully make sense to me. Can you shed any light on that?


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post by General Zod   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 82 on 1/18/2015 4:53 PM >

Posted by CatAndTie
Another question regarding beards. Is it better to wear a mask with a beard even though that means it won't be completely air tight or better to go without?

I think I remember reading somewhere that if you have a mask that is not completely air tight it could actually be worse than no mask, but that didn't fully make sense to me. Can you shed any light on that?


In the work industry, people required to wear respirators are not supposed to have facial hair, regardless of proper fit. It becomes a liability, too (for the employer). Asbestos particles are smaller than smoke particles... much smaller.

https://www.youtub...atch?v=gZZrLMeh7lA


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post by CatAndTie   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 83 on 1/18/2015 5:49 PM >

Posted by General Zod


In the work industry, people required to wear respirators are not supposed to have facial hair, regardless of proper fit. It becomes a liability, too (for the employer). Asbestos particles are smaller than smoke particles... much smaller.

https://www.youtub...atch?v=gZZrLMeh7lA


Yea, I do know that and it makes sense… but in the non- required field of exploring is it better to wear a mask with improper fit/ with a beard or does it just make matters worse or is it still better to have some coverage?


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post by General Zod   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 84 on 1/18/2015 6:20 PM >

Posted by CatAndTie


Yea, I do know that and it makes sense… but in the non- required field of exploring is it better to wear a mask with improper fit/ with a beard or does it just make matters worse or is it still better to have some coverage?


In my opinion, it probably defeats the whole purpose. A loose fit on the neck, chin, or cheeks is going to create a siphon effect, sucking air right past the respirator. In addition to that, if you are sporting a beard, you then have thousands of hairs present, capable of collecting asbestos particles like a mop, right onto your face near your mouth and nose.



[last edit 1/18/2015 6:22 PM by General Zod - edited 1 times]

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post by Send4Help   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 85 on 1/18/2015 7:17 PM >

Posted by CatAndTie


Yea, I do know that and it makes sense… but in the non- required field of exploring is it better to wear a mask with improper fit/ with a beard or does it just make matters worse or is it still better to have some coverage?



It will help but you will have to add an extra step to you routine. You will loose somewhere around 30% of the protection with a beard that falls 1/8in thick if I remember correctly. However thats still a good amount of protection than breathing the normal air.

What you will have to keep in mind is that if you are sucking contaminated air through hair, larger particulates and aerosols can embed there. You will need to make sure that you wash the hair to remove any contamination.

So no, it doesnt defeat the purpose, but you do need to be aware that you are causing a secondary exposure that will need cleaned up. Better some protection than none!!

Hope that helps!!


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post by CatAndTie   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 86 on 1/18/2015 11:03 PM >

Posted by Send4Help



It will help but you will have to add an extra step to you routine. You will loose somewhere around 30% of the protection with a beard that falls 1/8in thick if I remember correctly. However thats still a good amount of protection than breathing the normal air.

What you will have to keep in mind is that if you are sucking contaminated air through hair, larger particulates and aerosols can embed there. You will need to make sure that you wash the hair to remove any contamination.

So no, it doesnt defeat the purpose, but you do need to be aware that you are causing a secondary exposure that will need cleaned up. Better some protection than none!!

Hope that helps!!


This makes sense. Thanks!


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post by Jethron   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 87 on 2/11/2015 10:16 PM >

Newbie question here:

How do you know when you need masks? Obviously a chemical plant or paper mill requires protection, what are some other often-hazardous places? I'm going to an old coal breaker soon. Should I have a mask for that?


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post by relik   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 88 on 2/12/2015 12:24 AM >

Posted by Jethron
Newbie question here:

How do you know when you need masks? Obviously a chemical plant or paper mill requires protection, what are some other often-hazardous places? I'm going to an old coal breaker soon. Should I have a mask for that?


Depends on the amount of coal dust in the air. I wouldn't think it to be necessary. I've never been to a coal breaker, though.
I also have never worn a respirator, but i have worn a dust mask at a coke plant once.


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post by Taas    |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 89 on 3/8/2015 6:30 PM >

I love this! Thank you so much


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post by Leopard18   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 90 on 4/16/2015 10:26 PM >

Hey guys, I apologize if this has already been asked, but I have a P100 half mask with asbestos rated cartridges. I explore sites with confirmed asbestos and are likely to have particles in the air, about twice a month. How do I know when cartridges are full, or is there a general rule on how often you guys generally replace them?


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post by Aran   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 91 on 4/17/2015 12:12 AM >

Posted by Jethron
Newbie question here:

How do you know when you need masks? Obviously a chemical plant or paper mill requires protection, what are some other often-hazardous places? I'm going to an old coal breaker soon. Should I have a mask for that?


I explored a paper mill recently, and went with a simple, low tech dust, mask. Granted, it was well ventilated area for the most part (those missing walls, you see...) and I was always cautious of any physical symptoms of gas inhalation, but it all depends on the location.

[last edit 4/17/2015 12:13 AM by Aran - edited 1 times]

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post by SadRobots   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 92 on 6/3/2015 7:20 AM >

Any specific half-mask model recommendations? Which model would be best for stopping asbestos?


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post by raddhatter   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 93 on 6/23/2015 2:44 AM >

Thank you for this! Now excuse me while I go buy an air purifying half mask respirator for myself and all of my friends.


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post by SuchundFind   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 94 on 6/30/2015 4:17 PM >

Posted by SadRobots
Any specific half-mask model recommendations? Which model would be best for stopping asbestos?


The ones with an N100 filter of course.

You get what you pay for.


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post by Oakpunk   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 95 on 7/3/2015 6:26 PM >

I've been looking into getting myself a respirator so thanks for all the info!




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post by TwitchyPuppy   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 96 on 7/16/2015 12:50 PM >

I have never UE-ed before, so that is good to know =)
Thanks for the very useful info!


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post by suadensky95   |  | This member has been banned. See the banlist for more information.

Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 97 on 9/2/2015 1:44 AM >

I have brought my respirator several times recently to places, but was to lazy to actually wear it. Plus I prefer to let my face breath.

just for those of you interested/curious on where and how to get one...

go to your local home depot and pick your self up a multi purpose job site p100 3M respirator for about 45 bucks. The cartridges last me about 10 hours of use.

Once you exhaust the cartridges you can simply buy another set. It is funny how much they cost though. Its sort of like printers and ink. the printer it self doesn't cost as much as you would think it should, but the ink on the other hand costs a lot more then you think it would. respirator cartridges are the same.

[last edit 9/2/2015 1:49 AM by suadensky95 - edited 2 times]

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post by Deuterium   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 98 on 9/4/2015 2:41 AM >

I stick with plain P100. It's mostly particles you don't want to breath in, such as asbestos, concrete, lead, cadmium, mold spores and rodent urine infested and irritating mist. You should keep it clean so you don't get debris or grits in the exhaust valve or else it will leak a little bit with every time you inhale. P100 isn't P100 if you have a leak.

Organic vapor filters cut down on mold and decay smell, but they're bigger, add breathing resistance and make the mask weigh twice as much and less comfortable. You would wear them if you're painting a car. The more cumbersome it is, the less you tend to use them.



[last edit 9/4/2015 2:50 AM by Deuterium - edited 1 times]

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post by Masakari   |  | 
Re: Masks & Respirators: Everything you ever wanted to know
<Reply # 99 on 3/28/2016 8:13 PM >

So from what it looks like here for asbestos the P100 filter is best. My question is that will that P100 filter be good for other stuff such as mold? I'm about to get a mask myself and want to know which filters I need.


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