Paul Klasek wrote:
>
> Hi Todd&Russ&Steve&Bev
>
> Just a point when you've raised the 6 month screening (quite right) :
> Few HR dept.s have the foresight of screening NEWCOMERS ; and occasionally
> get company into serious poo when a fellow tramping for decades over silicon
> valley with all of the chimneys for pigeon eradicating programs ;
> (I don't believe my eyes here as I read all of this ;you guys have it way
> too easy over there ; we have to have by law [not every buddy 's "aware" of
> it , regional to councils as well] three stage filter [pre, HEPA , and
> carbon to humanize bad breath of wave maintenance guys ; able to discharge,
> optionally ; air back to room] ; finally gets overdosed !
> And there goes this >six sigma< fellow in crime "personally" preferring
> holes {which I'd understood} ; but in roof !!! ;
> no wonder I get all stuffy trotting seminars round LA !!!
> You guys work like middle aged England's industrial revolution :
> Stuff the pigeons (literally) ; here comes the progress .
> I understand theyr's etching on your prized 3pack duco and shitting down
> Acropolis is not quite that nice ; still ;
> I'm flabbergasted .
> paul
>
> > ----------
> > From: Todd Vorpahl[SMTP:[log in to unmask]]
> > Sent: Saturday, 13 March 1999 1:53
> > To: [log in to unmask]
> > Subject: Re: [TN] Solder Fumes
> >
> > <<File: pic24451.pcx>>
> > We're familiar with the limits stated below. We've done lead testing for
> > our
> > operators at the wave solder machine (during full scale maintenance
> > including
> > cleaning of the solder pot, dross removal, etc.) and we consistently
> > measure
> > below the OSHA (and others) limit yet just above the OSHA Action Level.
> > In this
> > case, OSHA requires you to retest every 6 months until you successfully
> > measure
> > below the Action Level 2X, 7 days apart. It's a pain and a little
> > expense, but
> > you gotta do it.
> >
> > Todd
> >
> >
> >
> >
> > (Embedded
> > image moved Stephen Schiera <[log in to unmask]>
> > to file: 03/12/99 09:27 AM
> > pic24451.pcx)
> >
> >
> >
> >
> > Please respond to "TechNet E-Mail Forum." <[log in to unmask]>; Please
> > respond to
> > Stephen Schiera <[log in to unmask]>
> >
> > To: [log in to unmask]
> > cc: (bcc: Todd Vorpahl/DIL/Teradyne)
> > Subject: Re: [TN] Solder Fumes
> >
> >
> >
> >
> > Note: Some recipients have been dropped due to syntax errors.
> > Please refer to the "$AdditionalHeaders" item for the complete headers.
> >
> >
> >
> > Ryan,
> > There are OSHA limits to the amount of lead that a human can be exposed
> > to.
> >
> > Here is the intro portion of the OSHA reg on lead:
> > "29 CFR 1910.1025
> > The Occupational Safety and Health Administration (OSHA) provides
> > protection
> > to workers from exposure to lead in the workplace. Elements of this OSHA
> > standard include: exposure assessment and reduction, protective
> > equipment,
> > housekeeping and hygiene, medical surveillance, and employee information
> > and
> > training."
> >
> > Exposure Limits:
> > OSHA Limit 0.05 mg/M3 (50mg/M3)
> > OSHA Action Level 0.03 mg/M3 (30mg/M3)
> > ACGIH TLV 0.05 mg/M3 (50mg/M3)
> >
> > An Industrial Hygiene study can be done to gage the employees exposure
> > levels. This can be done by yourself with the right equipment, however it
> > is best to bring in an IHS consultant. Many times your company's
> > insurance
> > carrier can provide this, sometimes at no cost.
> >
> > I have used fume extraction equipment on reflow systems and for dust
> > collection on wavesolders during the de-drossing processes. You have to
> > make sure that the extractors filters are checked regularly. In our case
> > the extraction equipment use allowed us to eliminate the need for a
> > respirator program for the wavesolder operators.
> >
> >
> >
> >
> > > -----Original Message-----
> > > From: Ryan Chase [mailto:[log in to unmask]]
> > > Sent: Thursday, March 11, 1999 6:55 AM
> > > Subject: Solder Fumes
> > >
> > >
> > > This question may have been asked before but I searched through
> > > the archives and I couldn't find anything.
> > >
> > > Does anyone know of any studies that have been done on the
> > > effects of solder fumes on humans? long or short term.
> > >
> > > I am attempting to "quantify" the purchase of fume extraction
> > > equipment.
> > >
> > > What I am asking is:
> > >
> > > What is harmful about solder fumes?
> > > As far as I knew, as long as the temperatures stayed below
> > > 1000 degrees that lead will not become airborne.
> > >
> > > Is there a government requirement (OHSA or WHMIS) that limits the
> > > exposure to these fumes?
> > >
> > > I have already purchased and installed the extraction equipment,
> > > now I guess I am trying to justify why I purchased the equipment.
> > >
> > > Any help is greatly appreciated.
> > >
> > > Regards,
> > > Ryan Chase
> > > -----------------------
> > > Ryan Chase
> > > Manufacturing Engineer
> > > GE Harris
> > > 403-214-4502
> > > Fax 403-287-3107
> > > [log in to unmask]
> > >
> >
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Thanks Paul. Dave F
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