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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 PPS PPM <br /> MW-1 8.92 12/07/EB 49.3 0 -40.38 20 400 400 200 300 <br /> 8.92 04/12/89 49.08 0 -40.16 <br /> 05/04/89 0 90 3000 6300 1300 5400 <br /> 8.92 05/22/09 49.08 0.02 -40.14 <br /> 8.92 08/24/89 53.81 1.26 -43.88 <br /> 8.92 10/10/89 53.78 0.125 -44.76 <br /> 10/29/89 0.00 <br /> 8.92 11/02/89 54.12 0.04 -45.17 <br /> 8.92 11/30/89 53.2 0 -44.28 <br /> 8-92 01/12/90 52.08 0 -43.16 55 890 6200 720 11,000 <br /> 8.92 02/19/90 51.92 0 -43.00 <br /> 8.92 02/26/90 51.92 0 -43.00 <br /> 8.92 05/25/90 52.01 0 -43.09 35 1 2600 5600 290 4800 <br /> 8.92 11/27/90 53.66 0.08 -44.68 no sample taken, product is clear yellow <br /> 8.92 03/29/91 53.66 0 -44.74 sheen of floating product. <br /> M 8.92 06/27/91 54.24 0 -45.32 sheen of floating product. <br /> 10.12 09/18/91 56.21 0.02 -46.07 floating product. <br /> 10.12 12/17/91 54.06 0.005 -43.94 floating product. <br /> 10.12 01/21/92 54.1 0 0.38 -44.36 floating product-sheen <br /> 10.12 02/04/92 54.09 0.125 0 -43.87 floating product-sheen <br /> 10.12 03/10/92 53.68 0.01 0.46 -44.01 0.01 FEET OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 10.12 04/29/92 53.6 0 0.00 -43.48 WATER IS CLEAR NO PRODUCT <br /> 10.12 06/10/92 54.8 0 0.00 -44.68 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 10.12 07/16/92 55 0 0.35 -45.23 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 10.12 09/14/92 55.55 0 0.00 -45.43 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 10.12 09/22/92 55.68 0 NM 830 590 3500 750 26000 <br /> 10.12 09/25/92 55.85 0 1.25 -46.98 <br /> CERT. SV 12.45 10/08/92 55.86 0 1.34 -44.75 <br /> 12.45 11/11/92 55.62 ,0 1.67 -44.84 <br /> 12.45 12/09/92 55.34 0 3.47 -46.36 0.73 <0.3 <0.3 <0.3 17 <br /> 12.45 01/15/93 55.72 0 0.00 -43.27 <br /> 12.45 02/08/93 54.72 0 2.00 -44.27 <br /> 12.45 03/11/93 53.5 0 2.62 -43.67 1.9 3 3 <3 450 <br /> R1-DUPLI 12.45 03/11/93 53.5 0 2.62 -43.67 2.2 <3 <3 <3 470 <br /> 12.45 04/15/93 52.7 0 3.84 -44.09 <br /> 12.45 a5/la/93 49.62 0 2.91 1. -40.08 <br /> 12.45 06/14/93 51.4 0 4.3.2 -43.07 1.2 4.8 8.5 <3.0 130 <br /> 12.45 07/19/93 51.8 0 4.22 -43.57 <br /> 12.45 08/20/93 51.98 0 4.22 -43.75 <br />