Co-57

[mattw@eml.doe.gov (Matthew Williamson)]

>To: Peterson@ridgefield.sdr.slb.com
>From: mattw@eml.doe.gov (Matthew Williamson)
>Subject: Co-57
>
>Appendix C of 10cfr20 lists the Quantities of Licensed Material Requiring
Labeling.  I agree that 100 mCi is a high number for Co-57.  However, the
App. C value is --100 uCi-- for liscenced material (Co-57) requiring
labeling.  I hope this seems a bit more reasonable.
>


"I believe that many children are born with an inquisitive mind, the mind of
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Matthew Williamson
USDOE
Environmental Measurements Lab
New York, NY
tel:   212-620-3793
fax:  212-620-3600

mattw@eml.doe.gov