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WEF Third Century of Biochemical Oxygen Demand Reference Guide
0.0
WEF Wastewater Treatment Plant Reference Guide
146.44
CSUS Small Wastewater System Operation and Maintenance - A Field Study Training Program
70.7
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WEF Biosolids Land Appliers’ Guide to Preparing for the Certification Examination Reference Guide
146.35
AWWA Basic Chemistry for Water & Wastewater Operators Reference Guide
96.0
AWWA Advanced Oxidation Handbook Reference Guide
137.0
WEF Design Engineers, Plant Managers and Regulators Reference Guide
171.69
AWWA Wastewater Microbiology: A Handbook for Operators Reference Guide
139.0
ACRP Wastewater Reference Guide
18.18
42.93
CSUS Collection Systems - Methods for Evaluating and Improving Performance
115.44
66.66
CSUS Membrane Bioreactors
114.25
AWWA AWWA Wastewater Operator Field Guide Reference Guide
107.0