Ms. Rotman:

Try getting in touch with Richard Cerreto at California State University at
San Bernardino.  He was working on a Master's Thesis on the application of
phosphate analysis.

J. McKenna
----- Original Message -----
From: "Deborah L. Rotman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, April 01, 2001 9:44 AM
Subject: Phosphate testing


> Dear Colleagues:
>     I am interested in hearing about other folks' experiences with
phosphate
> testing.  We have been working at the former location of a general
mercantile
> for the past three years.  Our results from phosphate testing have varied
> rather dramatically within the same Harris strats from year to year (and
are
> not simply a matter of inter-observer variation).
>     Any thoughts?  Advice?  Do others find this testing to be useful?  Or
not
> so much?  I would be grateful for any insights.
> Cheers,
> Debbie Rotman