@article{490372, recid = {490372}, title = {Zinc orthophosphate [electronic resource]}, publisher = {American Water Works Association,}, address = {Denver, Colo. :}, pages = {1 online resource (xii, 9 p.)}, year = {2013}, note = {"Effective date: June 1, 2006. This edition approved Feb. 12, 2006. Approved by American National Standards Institute April 17, 2006."}, url = {http://library.usi.edu/record/490372}, }