Hello,

        The following paper is now available in the J. Fish. Aquat. Sci.
A Method for nitrate collection for d15N and dO18 analysis from waters
with low nitrate concentrations.

        Stop by step instructions are available from Cecily Chang.  See address
below.



Cecily Chang

--
Cecily Chang MS 434
U.S. Geological Survey
345 Middlefield
Menlo Park, CA 94025
tel 650 329 4471
FAX       5590
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