TY - BOOK ED - American Water Works Association. ED - American National Standards Institute. ED - ebrary, Inc. TI - Zinc orthophosphate AV - S647 .Z56 2013eb U1 - 553.64 23 PY - 2013/// CY - Denver, Colo. PB - American Water Works Association KW - Phosphates KW - Standards KW - Water KW - Purification KW - Zinc KW - Electronic books KW - local N1 - "Effective date: June 1, 2006. This edition approved Feb. 12, 2006. Approved by American National Standards Institute April 17, 2006."; "ANSI/AWWA B506-06."; Electronic reproduction; Palo Alto, Calif.; ebrary; 2015; Available via World Wide Web; Access may be limited to ebrary affiliated libraries UR - http://site.ebrary.com/lib/rucke/Doc?id=10717803 ER -