http://ocw.mit.edu/OcwWeb/Civil-and-Environmental-Engineering/1-77Spring-2006/CourseHome/index.htm
Modeling class for environmental engineering from MIT
Other courses online too: http://septic.umn.edu/professional/worksheets/pre2008rulechange.html
http://www.martindalecenter.com/Calculators4_I_So-We.html#WASTE
Sunday, January 11, 2009
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