The City of Charlotte is requesting EPA technical assistance on scene at the Mallard Creek Waste Water Treatment Plant, address is 12400 Tryon Street. A slug of contaminated sludge was detected at the plant. The plant is on full shutdown and the incoming stream is being diverted to a holding pond. Initial sampling results indicated concentrations of trichlorobenzene, PCB along with other contaminants. Charlotte Fire Department hazardous materials team along with the Utilities crews traced the line back and found the suspected source at 6430 W Sugar Creek Rd. This is a Food Lion with a grease trap at the back of the store. Initial observations indicate a dump of contaminated materials into the line at this point. OSC Garrard mobilized at 0300 hours to attend an operational meeting this morning.