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TABLE 1 GROUNDWATER MONITORING AND CHEMICAL RESULTS <br /> FORMER REGAL STATION 603, 6425 PACIFIC AVENEUE STOCKPON CALIFORNIA <br /> WELL # CASING DATE DEPTH TO PROD VACUUM CORRECTED TOTAL PET 13ENZENE TOLUENE ETHYL XYLENES Methyl Cert-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 /> 12 38 03/06/96 44 9 0 0 00 -32 52 9 5 250 460 560 2100 <br /> 12 38 04/09/96 42 72 0 0 00 -30 34 <br /> 12 30 05/28/96 41 75 0 0 00 -29 37 <br /> 12 30 06/20/96 41 6 0 0 00 -29 22 4 2 93 9 8 310 610 80 2 2 <br /> 12 30 07/90/96 42 25 0 0 00 -29 87 <br /> 12 38 09/19/96 43 0 0 00 -30 62 4 76 8 3 330 720 130 <br /> 12 38 12/10/46 41 34 0 0 00 -2896 8 2 180 49 920 2500 50 <br /> 12 38 03/ie/97 38 74 0 0 00 -26 36 8 6 110 70 510 1700 <100 ND <10G <br /> 12 38 06/13/97 38 68 0 0 00 -26 30 5 9 65 15 360 960 70* <br /> 12 36 09/23/97 39 63 0 0 00 -27 25 6 1 32 10 430 890 30 <br /> 12/08/97 Bparging and vapor extraction Bystem operating 1 0 <br /> 12 30 12/16/97 38 13 0 0 00 -25 75 40 <5 0 <br /> 12 36 n3/11/98 35 79 0 0 00 -23 41 9 30 40 710 1400 <100 <br /> munu�af7br h �+hi1s7F"awteTP31 ` 7t <br /> g% encs IS r J �� aia �essamIc <br /> 00 <br />