Zinc orthophosphate  [electronic resource]. 
At head of title :  AWWA standard 

 - Denver, Colo. :  American Water Works Association,  c2013. 
 - 1 online resource (xii, 9 p.) 
<br/><br/> "Effective date: June 1, 2006. This edition approved Feb. 12, 2006. Approved by American National Standards Institute April 17, 2006."  "ANSI/AWWA B506-06." 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Phosphates--Standards.<br/>Water--Purification--Standards.<br/>Zinc--Standards.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>S647  / .Z56 2013 
<br/><br/><label>Dewey Class. No.: </label>553.64