Have I got this radiation calculation correct?

Have I got this radiation calculation correct?
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1 Answer

Answer :

answer:Ha! We’re on the same page! I just measured a 3 pack of old Bright Brand Gas lamp Mantles Extra heavy duty. I measured mine at 4.82 microsieverts/hr or 0.48 milli rem/hr . Your mantle is about 10X mine. Nice! My package is still sealed so Alpha particles are trapped. My reading is about 2 times the exposure rate I measured flying in a commercial airplane at 30000 ft. Your math is right! I measure ambient here at 0.1 uSv/hr. ~10 uRem/hr (Rem are old units)
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