Re: Use of photographic film for dosimetry after TMI

[Bernard L Cohen <blc+@pitt.edu>]

On Mon, 24 Feb 1997, William P. Kirk (717) 783-9730 wrote:

> 
> With the regard to the suggestion by John Moulder & Dale Boyce that various
> photographic present in place at the time of the TMI accident could be used 
> to get an idea of doses:
> 
> Ralph Shuping of FDA did a study using film collected from various commercial
> sources to do such a study.  Report circa 1980 or so.  As I recall he estimated
> an upper limit of the order of 20 mR comparing optical densities from the film 
> collected against OD obtained from similar film obtained from the manufacturer
> and exposed to known amounts of gamma radiation.
> 
> There were also some film badge evaluations done at Hershey Medical Center and
> other hospitals.

	--Someone should send a letter-to-the-editor of the journal where
the Wing article was published about this. If someone does, please post it
to this discussion group.


Bernard L. Cohen
Physics Dept.
University of Pittsburgh
Pittsburgh, PA 15260
Tel: (412)624-9245
Fax: (412)624-9163
e-mail: blc+@pitt.edu