Giorgi, John. <br/><br/>
Wastewater operator certification study guide :  a guide to preparing for wastewater treatment certification exams / 
John Giorgi 
 - First edition. 
 - Denver :  American Water Works Association,  c2009 
 - xi, 274 pages ;  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/>Figures; Preface; Acknowledgments; Grade 1 Questions; Grade 1 Answers and References; Grade 2 Questions; Grade 2 Answers and References; Grade 3 Questions; Grade 3 Answers and References; Grade 4 Questions; Grade 4 Answers and References; Grades 1-4 Pumping Questions; Grades 1-4 Pumping Answers and References; Math Questions; Answers to Math Questions; Math Questions with Solutions; Appendix A; Appendix B; Appendix C; Appendix D; References. 
<br/><br/> This guide is intended to give operators practice answering questions that are similar in format and content to the questions that appear on certification exams. The questions in this study guide are not the same questions that will appear on the certification exam. 
<br/><br/><label>ISBN: </label>9781583217283 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SANITARY ENGINEERS -- CERTIFICATION -- UNITED STATES -- EXAMINATIONS -- STUDY GUIDES
<br/><br/><label>LC Class. No.: </label>TD 745 .G56 2009