Re: safety - pcb dust hazard

--- In CAD_CAM_EDM_DRO@y..., "dave_ace_me" <davemucha@j...> wrote:
> Two things about this.
>
> First, like electricty, pretend it is always hot, and dangerous.
> A generation point evacuaction system (gee that sounded cool) will
> not only keep your lungs clean, but your shop too. Just don't put
> the exhaust by the swing set. ps: do you breathe fumes from
> soldering?
>
> There are enough cyclone seperators and water scrubbers to pull the
> junk out of any air that we generate.
>
>
> The other point is more engineering theory. If you look at the
total
> polutants and put them on a pie chart, DDT used to be about half
the
> problem. fixed that then asbestos went from ememy #2 to #1 and it
> became about half the chart, each time we eleminate the leading
> cause, a new one steps in to take it's place.
>
> And as a last point, if you are looking for a vacuume, the HEPA
> should be on the low pressure side (vacuum) NOT the blower
> discharge/high pressure side. it does little good if you suck it
> from here and blow it over there. besides it keeps the blower
blades
> clean.
>
> Dave
>
>
>
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., "J.Critchfield" <js3mc@a...> wrote:
> > Any particulate matter is not healthy to breath whether it be
> asbestos or
> > wood dust. Asbestos became a hot button because it could be
linked
> to some
> > cancers. I used to do work for a man who owned an asbestos plant
> for more
> > than 50 years. He died VERY old of natural causes. This is not to
> say I want
> > to go out and start snorting handfuls of asbestos either.
> Fiberglass was
> > gearing up to be the next health hot button in the building
> industries until
> > someone discovered "killer mold". A little common sense goes a
long
> way.
> >
> > Jay