Spellman, Frank R. <br/><br/>
Basic mathematics for water and wastewater operators / 
Frank R. Spellman. 
 - 2nd ed. 
 - Boca Raton :  Taylor & Francis,  2014. 
 - xv, 278 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781482224252 (pbk.) 
<br/><br/><label>LCCN: </label>2013050298 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage<br/>Sewage disposal<br/>Water<br/>Water quality management
<br/><br/><label>LC Class. No.: </label>TD430  / .S64 2014 
<br/><br/><label>Dewey Class. No.: </label>628.10151  / SPE