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0 <br /> TABLE 1 GROUNDWATER MONITORING AND CHEMICAL RESULTS: <br /> FORMER REGAL STATION 603, 6425 PACIFIC AVENEUE, STOCKTON, CALIFORNIA <br /> WELL $ CASING TOP OF DATE DEPTH TO PROD. VACUUM CORRECTED TOTAL PET. BENZENE TOLUENE ETHYL XYLENES Methyl tert-Butyl DISSOLVED <br /> ELEVATION SLOT TOP OF THICK. AT WELL GW ELEV. HYDROCARB BENZENE Ether OXYGEN <br /> FEET AMSL FEET AMSL WATER HEAD FT. AMSL GAS-RANGE 8020 8260 <br /> IN FEET IN FEET IN FEET PPB PPB PPB PPB PPB PPB PPB PPM <br /> DEPTH TO SLOT <br /> MW13 34 12/08/97 sparging and vapor extraction system operating 7,6 <br /> NW13 34 12/16/97 37.4 0 0.00 :# 30 a5 0.2 <br /> MW13 34 03/11/98 34.4B 0 0.00 <br /> MW13 34 05/28/98 32.72 0 0.00 5200 "6 71 1500 60 <br /> ORGANIC LEAD AND EDB HAVE NOT BEEN DETECTED IN ANY SAMPLES. <br /> AMSL ABOVE MEAN SEA LEVEL * MTBE confirmed with 8260 method. <br /> GW ELEV. GROUND WATER ELEVATION ND or < below laboratory lower detection limits. <br /> TOTAL PET. TOTAL PETROLEUM HYDROCARBONS <br /> GAS-RANGE GASOLINE RANGE HYDROCARBONS <br /> PPB PARTS PER BILLION (UG/L) PPM PARTS PER MILLION (MG/L) NM NOT MEASURED <br /> i <br />