Jared Lang wrote:
> 
> Ryan,
> 
> We use the 3M 7300S half-face and 7800S full-face respirators.  The
> filters are
> the 7253 Organic vapor/Acid Gas cartridge and the P100 particulate
> filter in a dual stack-up.  The filters are 99.7% effective and conform
> to OSHA 42 CFR 84.  It is probably overkill, but I'd rather be safe than
> sorry as far as the operators and myself are concerned.
> 
> Question for you.  Are you doing blood monitoring or Air monitoring?
> What guidelines do you have for the blood monitoring?  Frequency?
> According to 1910.106 (I think) it is unclear (at least to me) when
> specifically it should be done.  The section talks about airborne
> monitoring as the driving force.
> 
> Comments?
> 
> Hope the above info is helpful.
> 
> Regards,
> 
> Jared Lang
> Manufacturing Engineer,
> Minarik Corp.
> 
> > ----------
> > From:         Ryan Chase[SMTP:[log in to unmask]]
> > Reply To:     TechNet E-Mail Forum.;Ryan Chase
> > Sent:         Thursday, August 13, 1998 8:50 AM
> > To:   [log in to unmask]
> > Subject:      [TN] Respirators
> >
> > Does anyone know what filters I should be ordering for wave
> > soldering?  I am trying to protect myself and the operators.
> >
> > Regards,
> >
> > Ryan Chase
> > Manufacturing Engineer
> > GE Harris
> > 403-214-4502
> > [log in to unmask]
> >
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This is clipped from our "right-to-know" training on solder:

Voluntary Lead Initiative.  In October 1996, OSHA, the Lead industries
Association, and the Battery Council International jointly announced a
voluntary lead industry initiative.  This program help protects workers
in battery manufacturing, lead smelting, lead chemicals, fabrication
using lead, and solder manufacturing.  The action levels are:

•     30 mg/m3 in the workplace atmosphere
•     50 mg/100g whole blood.

Although the Company is not involved in those manufacturing industries,
it uses lead-tin solder in manufacturing.  The Company monitors the lead
content in the air and provides average blood lead concentration
testing, at employee request.

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