Quick on the draw Bev. Just my luck, Dave posts the quiz early and our IT guys had stolen my laptop for a microsoft service pack upgrade. I'd say americium too Ian -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of Bev Christian Sent: 02 September 2010 14:24 To: [log in to unmask] Subject: Re: [TN] NTC Friday Element Quiz On Thursday - the Question Americium bev -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of David D. Hillman Sent: Thursday, September 02, 2010 9:23 AM To: [log in to unmask] Subject: [TN] NTC Friday Element Quiz On Thursday - the Question Hi folks - I am heading for Wisconsin for a weekend of whitewater kayaking so here is the Friday Quiz early - it will also give folks in other time zones more opportunity to participate as I'll post the question on Tuesday (Monday is a holiday here in the US). The Question: I am an element that was first produced in the 1940's. This element decays by both alpha and gamma which poses serious safety issues when handling large quantities. However, this element is considered an inexpensive radiation source for portable gamma radiography of welds and as a thickness gauge in the manufacture of glass. The alpha radiation characteristics provide an ionization source for smoke detectors. A typical household smoke detector contains 200 ug of this element. What element am I? The winner of this week's quiz will get to have Clumpy, the 8th dwarf, work for them for a week. So far Clumpy has: Week 1 - accomplished nothing Week 2 - conducted REACH material testing Week 3 - Solderability testing Good Luck. Dave Hillman Rockwell Collins [log in to unmask] ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. 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