LEADFREE Archives

September 2003

Leadfree@IPC.ORG

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Subject:
From:
MA/NY DDave <[log in to unmask]>
Reply To:
(Leadfree Electronics Assembly Forum)
Date:
Fri, 26 Sep 2003 09:57:34 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (38 lines)
Hi Again Bev and IPC LF Listservers,

DANG It, I just updated my AOL software and that last note WENT FAST
 before I was complete even thinking.
-------------------------------------
Mass or USA-MA has some pretty strict housing lead legislation.
They regulate the inspectors and the deleaders so I thought I would
go looking at their site for just a bit. IL, MN, etc also are good.

<http://www.state.ma.us/dph/clppp/1054601.pdf>
 Is a long document and I see on Page 5 under Lead Inspection
 two techniques are called out

 X Ray Flourescence
 or 6-8% Sodium Sulfide

 Since I think you Bev might be a chemical person and certainly others
 like Brian have lots of chemical background does the Sodium Sulfide
 reaction have a color reaction maybe even a color changing effect
 OR could one be constructed if using the proper liquid quantities
 to get at the .1% by weight measurement. Anyway just a thought.

I found nothing looking at either the Home Depot or the Lowe's site
and then I gave up. The Home Inspection Sites also didn't help. An
indicator solution like UK Bob notes would be nice if it could be
constructed sensitive enough.


YiEngr, MA/NY DDave

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