TI OPERATES A GW REMEDIATION SYSTEM AT THE SITE, AND IS RESPONSIBLE FOR DRY-WEATHER GROUNDWATER INFILTRATION INTO THE STORM SEWERS. ITS NPDES PERMIT WAS REISSUED WITH MORE STRINGENT LIMITS FOR TCE AND CIS-1,2-DICHLOROETHYLENE WHICH THE EXITING TREATMENT SYSTEM COULD NOT MEET. THE ORDER REQUIRES COMPLIANCE WITH THE NEW EFFLUENT LIMITS BY 12/31/2012.