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• i • <br /> TABLE 1 GROUNDWATER MONITORING AND CHEMICAL RESULTS: <br /> FORMER REGAL STATION 603, 6425 PACIFIC AVENEUE, STOCKTON, CALIFORNIA <br /> WELL # CASING DATE DEPTH TO PROD, VACUUM CORRECTED TOTAL PET. BENZENE TOLUENE ETHYL XYLENES Methyl tert-Butyl DISSOLVED <br /> ELEVATION TOP OF THICK. AT WELL GW ELEV. HYDROCARB BENZENE Ether OXYGEN <br /> FEET AMSL WATER HEAD FT. AMSL GAS-RANGE 8020 8260 <br /> IN FEET IN FEET IN FEET PPM PPB PPB PPB PPB PPB PPB PPM <br /> MW13 12/08/97 sparging and vapor extraction system operating 7,6 <br /> 12/16/97 37.4 0 0.00 30 <5 0.2 <br /> .L-; E I Sneyn e l e 9 L, c u b iz1�tL iriae grip -e:, r <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 c below laboratory lower detection limits. <br /> OTAL PET TOTAL PETROLEUM <br /> HYDROCARB YDROCARBON <br /> GAS-RANGE GASOLINE RANGE HYDROCARBONS <br /> PPB PARTS PER BILLION (UG/L) PPM PARTS PER MILLION (MG/L) NM NOT MEASURED <br /> F� <br /> I <br />