Pete,
I would expect to see cobalt in the hard gold for edge connector application.
Is it possible their cutter/grinder tool wore down/broke down and contributed some of the cobalt matrix into the mix??
I assumed that you might find Pb in the sounder...
Steve Creswick
Sr Associate - Balanced Enterprise Solutions
http://www.linkedin.com/in/stevencreswick
616 834 1883
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