> ....a metal/chemical cannot be used unless it is proven to > be of no danger to humans or the environment... > > Carbon dioxide is known to be a poisonous gas in sufficient quanties, and > contributes to the greehouse effect. > > According to the precautionary principle, we should stop making soda pop. > > The same could be said for any method of electric generation (except for > hydro.. no , wait, that prevents fish spawning) > > Circuit boards are etched with acid...can't use that. > > The precautionary principle (phrased as you stated above) would end all > modern industries. > > Therefore, it is an unrealistic principle. > > > Jody Byram Staff Design Engineer LMCSS - Newtown 100 Campus Dr. MS264A Newtown, PA 18940 (215) 497-1769 --------------------------------------------------------------------------------- Leadfee Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Leadfree To temporarily stop delivery of Leadree for vacation breaks send: SET Leadfree NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------