Brian, Still using lead in plumbing solder? This was banned in Canada after lead levels in drinking water were found to be high in drinking fountains in schools, especially in areas with soft water. In schools with old plumbing janitors are required to flush the lines before the children come to school. And, no, I do not remember what the actual levels found were. Bev RIM -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Brian Ellis Sent: December 15, 2006 4:32 AM To: [log in to unmask] Subject: Re: [TN] Need some help please - really quite urgent. http://www.lme.co.uk/lead_industryusage.asp World production: 6,701,600 tonnes per annum (2001) Europe: 28% = 1,876,450 tonnes Alloys = 1% = 18,765 tonnes Alloys include solder, brass and bronze, foil, terne metal, type metal, wire, and other undistributed consumption. (my note: also antifriction bearing metals) (http://minerals.usgs.gov/minerals/pubs/commodity/lead/lead_mcs06.pdf) http://www.paceworldwide.com/leadFree.asp states "The electronic industry uses less than 0.5% of lead in the production of PCB's and components" (probably very high estimate). This would offer ~9,000 tonnes. http://www.avxcorp.com/docs/techinfo/leadfr.pdf states "Despite the fact that lead containing solders in electronic assemblies account for only 0.49% of world lead consumption". This figure is unsubstantiated, but confirms the previous one. I've not found any substantiated data, but it is probable that the 0.49-0.5% data relates to all solder, not just used in the electronics industry, as the total of alloys is 1%, according to the LME. Despite restrictions in many countries, lead solders are still used for plumbing and in the canning industry, as well as for high-melting-point solders, and for general metal joining. It is probable that Inge's 0.1% is too low across Europe (Denmark is a pioneer country for LF soldering). My best estimate would be 0.2 - 0.35% or 3,750 to 6,500 tonnes with extremes of 1,875 and 9,000 tonnes. Hope this helps! Brian John Burke wrote: > I have been written to by the Oko institute in connection with my exemption > request #15 > > > > They basically want to know how much lead in solder is used in Europe in > conventional solder. (Don't they know??) > > > > I had a response from a leading member of the International Research > Association of the "other" material used in solder telling me to contact the > lead association for the data - hilarious. > > > > Anyway, I believe I have a number for the amount of solder used globally > from a creditable source, what I need now is a SWAG on the percentage of > electronics used (note used not made!) in Europe versus the rest of the > world so I can give the Oko institute the data they have requested. > > > > Help please, I have until Friday to come up with the data > > > > > > > > John Burke > > > > (408) 515 4992 > > > > > --------------------------------------------------- > 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 > ----------------------------------------------------- > --------------------------------------------------- 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 ----------------------------------------------------- --------------------------------------------------------------------- This transmission (including any attachments) may contain confidential information, privileged material (including material protected by the solicitor-client or other applicable privileges), or constitute non-public information. 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