Our photo people use benzotriazole in a 2% working solution. The pure stuff doesn't go down the drain; what do people do with the working solution? Thanks, Anne Skinner -- /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ Dr. Anne Skinner Chemistry Department, Williams College 47 Lab Campus Drive Williamstown, MA 01267 anne.r.skinner**At_Symbol_Here**williams.edu Phone: (413) 597-2285 Fax No: (413) 597-4116 /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ /O\ Si Si Si Si Si Si Si Si Si Si Si Si Si Si Si \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/ \O/
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