TY - BOOK AU - Giorgi, John. TI - Wastewater operator certification study guide: a guide to preparing for wastewater treatment certification exams SN - 9781583217283 AV - TD 745 .G56 2009 PY - 2009/// CY - Denver PB - American Water Works Association KW - SANITARY ENGINEERS -- CERTIFICATION -- UNITED STATES -- EXAMINATIONS -- STUDY GUIDES N1 - Includes bibliographical references; 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 N2 - 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 ER -