The city of Del Mar has learned that due to an internal glitch in Waste Management’s software, invoices in the amount of $0.00 were sent out to 466 Del Mar residents this week. The error has since been corrected. If you are one of the 466 residents who received a $0.00 invoice from Waste Management please disregard it.Waste Management sincerely apologizes for this error; residents are free to call Waste Management at (800) 596-7444, with any questions or concerns