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Unread 06/21/2007, 10:41 PM   #10
bertoni
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Join Date: Mar 2002
Location: Mountain View, CA, USA
Posts: 88,616
That equation is correct. The 2.05 is the conversion of 110 ppm by incorrect division. I must have been tired. 110 ppm is about 2.2 meq/L.


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