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' 1.0 INTRODUCTION <br /> ' participating parties have not yet agreed on the background concentration for nitrate in <br /> groundwater,background levels have not been incorporated into the cleanup goal. <br /> TABLET <br /> Groundwater and Soil Cleanup Objectives <br /> ' Koppel Stockton Terminal <br /> Media Constituent Cleanup Goal Criteria <br /> Groundwater Nitrate 10 mg/L Water Quality Objective MCL for Nitrate as <br /> Nitrogen(RWQCB, March 1998) <br /> Groundwater Ammonia 1.5 mg/L Secondary Taste and Odor Threshold for <br /> Ammonia as Nitrogen <br /> Soil Total Nitrogen 200 mg/kg DLM(RWQCB May 1997) <br /> Cleanup goals could be revised pending changes in the RWQCB Water Quality Goals over the course of <br /> the remedial action. <br /> Cleanup goals are targets for offsite wells. <br /> RDDI003670317.DOC)CAH710.DOC) 3 <br />