POSC License Agreement
This file is distributed under the POSC License Agreement at
http://www.posc.org/about/license.shtml.
Use of this file constitutes agreement with the POSC License Agreement.
<xsd:documentation>ConcentrationType: %BWOC (%By weight of Cement), %BWOB (%By weight of blend),
%BWOW (%By weight of water), %BWOBF (%By weight of base fluid) </xsd:documentation>