ROSELAND, NJ--(Marketwire - September 1, 2010) - Private sector employment decreased by 10,000 from July to August on a seasonally adjusted basis, according to the latest ADP National Employment Report® released today. The ADP National Employment Report, created by Automatic Data Processing, Inc. (ADP®), in partnership with Macroeconomic Advisers, LLC, is derived from actual payroll data and measures the change in total nonfarm private employment each month.