Re: safety - pcb dust hazard

--- In CAD_CAM_EDM_DRO@y..., "dave_ace_me" <davemucha@j...> wrote:
> Hi Andrew,
>
> a Cyclone dust collector, is a 30 gal trash can with a 3" duct in
the
> center, and a sweep elbo that makes the debis swirl around.
> basically a shop vac cannister in a little larger scale.
>
> scrubber, well, a 5 gal plastic bucket that goes in front of the
shop
> vac. This will pick up hot fireplace ashes and drywall dust.
>
> and the HEPA filter, pretty much on every home vacuume cleaner
these
> days.
>
> Did I mention a fume hood ? a real live fume hood, 24" wide for
> soldering and keeping the fumes out. explosion proof light fixture
> and all.
>
> Outside of the $30.00 for the metal trash can and about $35 for a
> HEPA, the total was a LOT less than you would pay for one linear
> bearing.
>
> and if I had the wet scrubber before I dumped ashes on the leaves
> next to the fence, I would have saved the cost of replacing that
part
> of the fence.
>
> I was thinking of putting in a water pump in the scrubber to make
it
> work more like the big boys. lemme see, some lawn sprinkler heads,
a
> section of PVC pipe, and a water pump... less than $100.00.
>
> and if you want to sleep un-easy tonight, there is a considderable
> ammount of data that points to aluminum being one of the major
> contributing causes of Alsheimers. .... but I forget where I heard
> that...
>
> Seems aluminum is the ONLY common metal NOT common in nature. your
> body uses iron, boron, zinc, copper.. you name it. but not aluminum.
>
> Dave
>
>
>
>
> --- In CAD_CAM_EDM_DRO@y..., "andrewyslee" <andrewlee@s...> wrote:
> > Hi Dave,
> >
> > Cyclone, scrubber, HEPA filter and all that in your home
workshop?
> > WOW!
> >
> > Currently I only have nature (drilling out in the open and hope
the
> > wind will blow all the problems away).
> >
> > Should I dig into my meagre wallet in exchange for a longer life,
I
> > wonder.
> >
> > andrew
> >
> > --- 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