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Wastewater operator's guide to preparing for the certification examination

Topic: 
WASTEWATER--OPERATIONS
Author (Corporate Name): 
Water Environment Federation.
Edition: 
4th ed.
Publisher/Date: 
Alexandria, Va. : Water Environment Federation, 2016
Note: 
WEF/C2EP/ABC
Summary: 
The Wastewater Operator's Guide to Preparing for the Certification Examination was prepared jointly by the Water Environment Federation, the Association of Boards of Certification(ABC), and the Certification Commission for Environmental Professionals ...