03510nam 2200673 a 450 991097125320332120251117095058.01-61300-080-4(CKB)2550000000088435(EBL)3116710(SSID)ssj0000570988(PQKBManifestationID)12250897(PQKBTitleCode)TC0000570988(PQKBWorkID)10611428(PQKB)11475638(MiAaPQ)EBC3116710(Au-PeEL)EBL3116710(CaPaEBR)ebr10522365(OCoLC)922966690(BIP)18759636(EXLCZ)99255000000008843520080410d2009 uy 0engur|n|---|||||txtccrMath for wastewater treatment operators grades 1 and 2 a guide to preparing for wastewater treatment operator certification exams /John Giorgi1st ed.Denver, Colo. American Water Works Associationc20091 online resource (381 p.)Description based upon print version of record.1-58321-587-5 Includes bibliographical references (p. 357-358).""CONTENTS""; ""TABLES""; ""FIGURES""; ""ACKNOWLEDGMENTS""; ""PREFACE""; ""INTRODUCTION""; ""appendixes""; ""Common Conversion Factors""; ""SUMMARY OF WASTEWATER TREATMENT EQUATIONS""; ""CHEMISTRY TABLES""; ""DEPTH/DIAMETER (d/D) TABLE""; ""WASTEWATER FLOW CHART DIAGRAMS""; ""ABBREVIATIONS""; ""BIBLIOGRAPHY""; ""ADDITIONAL RESOURCES""Most wastewater operators cite mathematics as the subject giving them the most difficulty on their operator certification exams, as well as on the job. This math study text is designed to help wastewater operators improve their math skills, pass certification exams, perform their jobs better, and advance their careers. The guide provides examples of a variety of different problems that will be encounted both on Grades 3 and 4 certification exams and on the job. Each problem is presented with easily followed steps and comments to facilitate understanding. Tests with answers are included after each grade level to help you determine where your strengths and weaknesses are. Appendices provide common conversion factors, a summary of the equations used in the book, chemistry tables, maximum contaminant level charts, and abbreviations to which you can refer when working out the problems.SewagePurificationMathematicsSewagePurificationProblems, exercises, etcSewage disposal plantsEmployeesCertificationWaterPurificationMathematicsWaterPurificationProblems, exercises, etcWater treatment plantsEmployeesCertificationEngineering mathematicsFormulaeSewagePurificationMathematics.SewagePurificationSewage disposal plantsEmployeesCertification.WaterPurificationMathematics.WaterPurificationWater treatment plantsEmployeesCertification.Engineering mathematics628.301/51Giorgi John1863428MiAaPQMiAaPQMiAaPQBOOK9910971253203321Math for wastewater treatment operators grades 1 and 24470069UNINA