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CWoodward-Clyde <br /> tEXECUTIVE SUMMARY <br /> The Federal Emergency Management Agency (FEMA) has retained Woodward-Clyde's <br /> Federal Services to provide environmental consulting services for the removal and closure' <br /> of a FEMA owned underground storage tank (UST) located at Emergency Alert System,;; <br /> Radio Station KJAX (KJAX). This report describes the field activities conducted following; <br /> L the removal of one diesel fuel UST in November, 1993 from the KJAX Radio Transmitter, <br /> Station located in Stockton, California. <br /> r i <br /> L <br /> Site characterization activities were conducted to investigate the lateral and vertical extent <br /> of diesel contaminated soil in the vicinity of the former UST. Investigative activities;' j <br /> included advancing soil borings within and surrounding the former tank excavation. A total! <br /> of 36 soil samples and one groundwater sample were collected, during the site; <br /> characterization activities. Detectable concentrations of Total Petroleum Hydrocarbons3 <br /> (TPH) as diesel less than 100 mg/Kg (parts per million-ppm) were found in soil samples <br /> collected from borings near and within the north end of the former tank excavation.' <br /> Groundwater was encountered in one boring at a depth of 76.5 feet below ground surface) <br /> (bgs). No detectable concentrations of TPH as diesel, TPH as gasoline, and benzene,' <br /> toluene, ethylbenzene, and total xylenes (BTEX) were reported for the groundwater sample.; <br /> ;i <br /> t <br /> r <br /> L <br /> I � ` <br /> ' 8054/FEMAWAXPIflR.RPr/8-24-95 SAC ES-1 <br />