We have been working to resolve some solder pot controls... Not to sound really stupid, but how much inherent error can there be between and XRF analysis and AAS? results...] One says I'm compliant, the other says no... who do I believe? We have a system in place to check pot analysis every month and its beginning to drive me a little nuts.... Rodney L. Miller Tri-onics Inc Highland / Shanghai Integrity and Solutions for Electronic Outsourcing --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------