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exception violation


----- Forwarded by Scott R Charlton/WRD/USGS/DOI on 05/23/2001 10:47 AM
-----
|---------+--------------------------->
|         |           "james george"  |
|         |           <treywa@xxxxxxxx|
|         |           com>            |
|         |                           |
|         |           05/22/2001 04:53|
|         |           PM              |
|         |                           |
|---------+--------------------------->
  >-------------------------------------------------------------------------------------------------------------------------------|
  |                                                                                                                               |
  |        To:      charlton@xxxxxxxx                                                                                             |
  |        cc:                                                                                                                    |
  |        Subject: exception violation                                                                                           |
  >-------------------------------------------------------------------------------------------------------------------------------|



Mr. Charlton,

I have been trying to use PHREEQC to speciate selenium in tailings water
from a phosphate.  Attached is my input file.  I have been able to get the
model to run.  However, I beleive that since my master species is SeO4 and
not a selenium species without oxygens bound to it that my output
concentrations are incorrect.  I am trying to correct my master species and

am having difficulties.  If you could look this over it would be much
appreciated.



Cheers,

James George

M.S. Student
University of Idaho
Holm Research Center
Moscow, ID
83843

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