RE: paraffin block storage

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From:"Weems, Joyce" <>
To:"'Sheila Poellein'" <>, "'histonet'" <>

We just recently went from keeping forever to keeping for 10 years - that
seems a little safer. j

> -----Original Message-----
> From:	Sheila Poellein []
> Sent:	Monday, May 15, 2000 2:10 PM
> To:	'histonet'
> Subject:	paraffin block storage
> CAP regulations state that paraffin blocks should be retained for 5 years.
> In a recent CAP Today, it was suggested that this time  be extended for
> either all blocks or tumor blocks because of the potential for new testing
> capabilites (for example her 2-neu) that might be developed.  We have
> limited storage space as well as spare time to keep two filing systems for
> blocks.  I would appreciate all comments on this issue, do you keep longer
> than 5 years or not?, if you do what system do you have in place?  all
> blocks or selective blocks? 
> thanks,
> Sheila

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