Sunday, June 7, 2009
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This is the only one hundred percent free and one hundred percent complete math tutorial for introductory-level water treatment facility operator students that is available on the internet. To view all of the postings on this site, click on "older posts" at the bottom of each page. A companion site with several introductory-level math practice tests can be accessed at http://water-treatment-math-practice-tests.blogspot.com.
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