I've had three cf bulbs crack at the bottom and had the same concern about mercury vapors. One thing I've noticed is that the bulbs that failed were all very in

I've had three cf bulbs crack at the bottom and had the same concern about mercury vapors. One thing I've noticed is that the bulbs that failed were all very inexpensive bulbs from the multipacks I picked up in discount stores. I have never had one of my more expensive bulbs break (name brand sold in a single package usually, I get these for dimmers and for spotlights.) GE has this to say about the mercury and safe handling of broken bulbs: http://www.gelighting.com/na/home_lighting/ask_us/faq_compact.htm#mercury http://www.gelighting.com/na/home_lighting/ask_us/faq_compac...