SPRINGFIELD, Mass. - A Massachusetts federal judge on Aug. 3 denied conditional certification to a class of city employees in a police dispatcher's lawsuit alleging that the city has a practice of miscalculating certain workers' wages for the purpose of denying them proper overtime compensation (Scott Burns v. City of Holyoke, No. 12-30003, D. Mass.; 2012 U.S. Dist. LEXIS 108856).