[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: Safety of Am-241 Smoke Detectors
Michael:
For your information the new "lantern mantles" are not "radioactive" anymore
, and it does not last as long as the old ones, of course.
At 04:12 PM 9/3/96 -0500, you wrote:
>At 14:53 03.09.1996 -0500, you wrote:
>>
>>
>> In a effort to educate the public (especially students) about radiation
>> science it is useful to point out common, non-threatening consumer
>> products like lantern mantles and smoke detectors.
>>
>> Can anyone provide references of safety evaluations of these products?
>>
>> Specifically, this information is needed for obtaining an exemption or
>> possibly a license for the use of Am-241 smoke detector sources in the
>> class room.
>>
>> Thanks for your help...mjr
>>
>>
>>==============================================================================
>> _/_/ _/_/ _/ _/ _/_/ _/_/ Michael J. Russell, CHP
>> _/ _/ _/ _/ _/ _/ _/ _/ _/ _/ SONGS, D3D
>> _/ _/ _/ _/_/ _/ _/ _/ PO Box 128
>> _/ _/ _/ _/ _/ _/ _/ _/ San Clemente, CA 92672
>> _/ _/ _/ _/ _/ _/ _/ _/_/ _/ (714) 368-9127
>>_/ _/ _/ _/ _/ _/_/ _/ _/ _/ _/ fax (714) 368-7575
>> _/_/ _/_/ _/ _/ _/_/_/ _/_/ russelmj@songs.sce.com
>>==============================================================================
>>
>>
>>Michael,
>
>There have been discussions about radioactive material in consumer products
>on radsafe some time ago. I remember that it was mentioned that for lantern
>mantels nowadays also nonradioactive material (yttriumoxide) is used instead
>of thoriumoxide.
>
>For the question of americium smoke detectors I would believe that there are
>clear regulations in the USA.
>
>Franz
>Schoenhofer
>Habichergasse 31/7
>A-1160 WIEN
>AUSTRIA/EUROPE
>Tel./Fax: +43-1-4955308
>Tel.: +43-664-3380333
>e-mail: schoenho@via.at
>
>
Mr. Rahim Ghanooni
Sr. Health Physicist
Certified Hazardous Material Manager (CHMM)
319-851-7133
rahim@inav.net
My opinion only.