TY - BOOK AU - Pizzi,Nicholas G. ED - ebrary, Inc. TI - Filter operations field guide T2 - Science and technology AV - TD441 .P59 2006eb U1 - 628.1/64 22 PY - 2006/// CY - Denver, CO PB - American Water Works Association KW - Water KW - Purification KW - Filtration KW - Water-supply engineering KW - Electronic books KW - local N1 - Includes bibliographical references (p. 57); Electronic reproduction; Palo Alto, Calif.; ebrary; 2013; Available via World Wide Web; Access may be limited to ebrary affiliated libraries UR - http://site.ebrary.com/lib/daystar/Doc?id=10572618 ER -