Dan,

When your recycler says 1%, how is it measured? E.g. is it 1% of total
weight? total metal content?

Ron Gedney
Director of Operations
2214 Rock Hill Road, Suite 110
Herndon, VA 20170-4214
Tel: 703-834-2084
Fax: 703-834-2735

-----Original Message-----
From: Leadfree [mailto:[log in to unmask]]On Behalf Of Kallin, Dan
Sent: Tuesday, July 06, 1999 10:09 AM
To: [log in to unmask]
Subject: Re: [LF] lead content


Our PCB recycler says they get about 1% lead recovered from typical boards.
A backward calculation from a TCLP analysis of a populated board showed
around 1.3%
I would be interested in other data.
__________________________________________
Dan Kallin                        Environmental Engineer
   Bose Corporation       Framingham, MA 01701
                 [log in to unmask]
                 508-766-7136  (phone)
                 508-766-7086   (fax)
-------------------------------------------

-----Original Message-----
From: Chris Jorgensen [mailto:[log in to unmask]]
Sent: Friday, July 02, 1999 4:45 PM
To: [log in to unmask]
Subject: [LF] Tin/Lead Solder Data


Has anyone collected any data on how much tin/lead solder (by weight) is
used
on a typical assembly?

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