00768cam a22002417a 4500 0071548831 (hbk.) 9780071548830 (hbk.) 546.22 NAL The Nalco water handbook Nalco Company ; Daniel J. Flynn, editor. 3rd ed. New York : McGraw-Hill, c2009. P-43-16 Illus 0 0 0 546_220000000000000_NAL Factory and trade waste Purification. 1014 MCE 379 Sewage Purification. 265 Water use. 5881 Water Purification. 264 Flynn, Daniel J. 5882 Nalco Company. 5883 http://www.columbia.edu/cgi-bin/cul/resolve?clio9621843 ddc BK 550568 550568 0 0 ddc 0 0 MCE MCE 2014-11-14 0 546.22 NAL MCE-29293 2014-11-14 2014-11-14 BK