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March 1999

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Subject:
From:
"<Mary Smoot>" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 11 Mar 1999 14:39:34 -0500
Content-Type:
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Ryan,

Have you installed the equipment on wave solder machines or reflow ovens?  We
use them on both.

I have heard of several problems as a result of fumes from solder.  First of
all, the MSDS sheets / tech data sheets for your fluxes / solder pastes, do give
indications of what can be experienced.

These include headaches, eye redness, stomach aches, and severe breathing
problems.

The MSDS sheets list PEL levels for the ingredients in fluxes, and these can be
taken into consideration.

I think it is best to vent - not because of the lead only, but the constituents
of the flux which come off during the preheat/reflow or wave phases.

Mary Smoot
Lexmark Electronics
[log in to unmask]




[log in to unmask] on 03/11/99 09:54:33 AM

Please respond to [log in to unmask]; Please respond to
      [log in to unmask]

To:   [log in to unmask]
cc:    (bcc: Mary Smoot/Lex/Lexmark)
Subject:  [TN] 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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