While we are on the topic of dust...
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While we are on the topic of dust...
Below is a link to a Word document that I put together for students in my classes. It is an overview of silicosis and intended to convince folks of the importance of wearing proper respitory protection when working with glass powders, fiber papers....you all know the list.
Feel free to download it and -- if you also teach -- copy and distribute for your own classes.
I read through this sheet at the start of each class. Pretty much everyone wears a mask after that.
http://www.izm.com/misc/silicosis.doc
Windows users can right click on the link and "Save as..."
- Paul
Feel free to download it and -- if you also teach -- copy and distribute for your own classes.
I read through this sheet at the start of each class. Pretty much everyone wears a mask after that.
http://www.izm.com/misc/silicosis.doc
Windows users can right click on the link and "Save as..."
- Paul
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I always wear a mask when I am tilesawing, vacuuming up thinfire residue, rinsing pieces off that have thinfire stuck to them, sandblasting, mixing kilnwash.......but, then I take the mask off and I always wonder if there are particles floating around in the air that I can't see that are worming their way into my lungs. I don't want to have to wear my beautiful mask all the time.....but I have thought about it. Thoughts?
Lisa
Lisa
Lisa Allen
http://www.lisa-allen.com
Today's mighty oak is just yesterday's nut that held its ground.
http://www.lisa-allen.com
Today's mighty oak is just yesterday's nut that held its ground.
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Hi Lisa --Lisa Allen wrote:I always wear a mask when I am tilesawing, vacuuming up thinfire residue, rinsing pieces off that have thinfire stuck to them, sandblasting, mixing kilnwash.......but, then I take the mask off and I always wonder if there are particles floating around in the air that I can't see that are worming their way into my lungs. I don't want to have to wear my beautiful mask all the time.....but I have thought about it. Thoughts?
Lisa
Fine dust particles -- like the kind we are discussing -- can hang in the air a long time. Woodworkers often install air cleaners to expedite the process.
Examples are these: http://www.pennstateind.com/Merchant2/m ... ry_Code=AC
I also have seen plans to make one yourself -- basically a box with a fan in the middle and filters at both ends.
- Paul
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Lisa:
I explain all of this on my web site.
http://www.gregorieglass.com
Greg
Certified Industrial Hygienist
I explain all of this on my web site.
http://www.gregorieglass.com
Greg
Certified Industrial Hygienist
Greg
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Hey greg-Greg Rawls wrote:Lisa:
I explain all of this on my web site.
http://www.gregorieglass.com
Greg
Certified Industrial Hygienist
I guess I forgot the thread about nuissance dust. My respirator has P-100 cartridges, so I suppose i'm ok........but I guess we will really know in about 15 years.
Lisa
Lisa Allen
http://www.lisa-allen.com
Today's mighty oak is just yesterday's nut that held its ground.
http://www.lisa-allen.com
Today's mighty oak is just yesterday's nut that held its ground.
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The big problem I see with working around dusty materials is the total inability to make any kind of measurement of contamination levels in the studio.
If you can't see the small particles that cause lung damage how do you know there aren't any left on work surfaces before you take off the respirator?
The problem is as simple as filling the sugar bowl or salt shaker without spilling any. You can see the spilled sugar or salt and clean it up, but toxic dusts smaller than the eye can see are probably all over the studio and nobody knows it without testing.
I gave up working with thinfire paper and trying to control the dust. There is NO POSSIBLE way to control what you can't see. Anything you do around a fired piece of thinfire causes visible dust to fly all over the place. Spray water on it , lay wet towles on it, it only spreads the dust. You can't even take a kiln shelf out of the kiln without stirring up a cloud of dust. Now this is visible dust, just imagine what you can't see.
The next time you have a piece of used thinfire on a kiln shelf, set it in a sunbeam coming through a studio window. Early morning sun works well. Watch the dust particles fly around with the least air movement. What you're seeing is the big stuff not the stuff that does the damage to your lungs.
Ron
If you can't see the small particles that cause lung damage how do you know there aren't any left on work surfaces before you take off the respirator?
The problem is as simple as filling the sugar bowl or salt shaker without spilling any. You can see the spilled sugar or salt and clean it up, but toxic dusts smaller than the eye can see are probably all over the studio and nobody knows it without testing.
I gave up working with thinfire paper and trying to control the dust. There is NO POSSIBLE way to control what you can't see. Anything you do around a fired piece of thinfire causes visible dust to fly all over the place. Spray water on it , lay wet towles on it, it only spreads the dust. You can't even take a kiln shelf out of the kiln without stirring up a cloud of dust. Now this is visible dust, just imagine what you can't see.
The next time you have a piece of used thinfire on a kiln shelf, set it in a sunbeam coming through a studio window. Early morning sun works well. Watch the dust particles fly around with the least air movement. What you're seeing is the big stuff not the stuff that does the damage to your lungs.
Ron
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