Tesh, Ken. <br/><br/>
Practice Exams :  Water distribution operator certification / 
Ken Tesh 
 - [Place of publication not identifed] :  [publisher not identified],  c2017 
 - vii, 137 pages :  illustrations ;  28 cm. 
<br/><br/> Exams :, Practice 
<br/><br/>Includes bibliographical references. 
<br/><br/> This book is for anyone studying for the Grade 2 Water Distribution Operation Certification Exam. It's intended for newer operators. Grade 2 refers to the second certification level from the bottom. 
<br/><br/><label>ISBN: </label>9781547207121 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WASTEWATER
<br/><br/><label>LC Class. No.: </label>TD 380 .T47 2017