> Those were old, Soviet-era tubes. Modern fluorescents have > very little > mercury, and the tubes you're likely to find at the dump > may even have none: > > http://en.wikipedia.org/wiki/Fluorescent_lamp#Loss_of_mercury Reportedly even the "best" CFLs have some mercury. 10 to 20 mg comes to mind. Russell -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist