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TABLE 1 GROUNDWATER MONITORING AND CHEMICAL RESULTS: <br /> FORMER REGAL STATION 603, 6425 PACIFIC AVENEUE, STOCKTON, CALIFORNIA <br /> I <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 /> 14W-10 10.51 12/09/08 <br /> 10.51 04/12/89 50.72 -40.21 <br /> 10.51 05/04/89 <br /> 10.51 05/22/89 50.16 -39.65 <br /> 10.51 08/24/89 <br /> 10.51 10/10/89 52.44 -41.93 <br /> 10.51 11/02/84 <br /> 10.51 12/01/99 NM NM <br /> 10.51 01/15/90 53.84 0 -43.33 69 68000 83000 4100 110000 <br /> 10.51 02/19/90 53.72 0 -43.21 <br /> 10.51 02/26/90 53.77 0 -43.26 <br /> 10.51 05/25/90 53.71 0 -43.20 77 24000 33000 2700 21000 <br /> 10.51 11/27/90 55.2 0 -44.69 290 27000 40000 6700 45000 <br /> 10.51 03/29/91 55.46 0 -44.95 FLOATING PRODUCT SHEEN <br /> 10.51 66/27/91 55.7 0 -45.19 FLOATING PRODUCT SHEEN <br /> 10.51 09/18/91 55.66 0 -45.15 FLOATING PRODUCT SHEEN <br /> C. 10.51 12/17/91 56.18 0 -45.67 120 17000 17000 1800 14000 <br /> 10.51 01/21/92 54.06 0 0.37 -43.92 <br /> 10.51 02/04/92 53.98 0 0.00 -43.47 FLOATING PRODUCT SHEEN <br /> 10.51 03/10/92 52.54 0 0.62 -42.65 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 10.51 04/29/92 54.3 0 0.00 -43.79 WATER IS CLEAR <br /> 10.51 06/18/92 dry 0 0.00 WELL DRY NO SAMPLE TAKEN <br /> 10.51 07/16/92 55.4 0 0.32 -45.21 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 10.51 08/14/92 55.88 0 0.00 -45.37 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 10.51 09/22/92 55.81 0 NM SHEEN OF FLOATING PRODUCT - CLEAR YELLOW, <br /> 10.51 09/25/92 55.6 0 1.16 -46.25 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> CERT. SR 12.62 10/08/92 55.36 0 1.25 -43.99 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 12.62 11/11/92 55.44 0 1.47 -44.29 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW. <br /> 12.62 12/09/92 54.54 0 3.47 -45.39 not enough recharge water to sample-no sheen. <br /> 12.62 01/15/93 DRY 0 0.00 <br /> 12.62 02/08/93 53.92 0 2.00 -43.30 <br /> 12.62 03/11/93 52.26 0 3.47 -43.11 NS: WELL DEPLETED, NO RECHARGE. <br /> 12.62 03/15/93 NM 0 3.47 39 760 2700 860 18000 <br /> 12.62 04/15/93 51.36 0 3.28 -42.02 <br /> 12.62 05/18/93 51.03 0 1.82 -40.23 <br /> 12.62 06/14/93 50.4 0 3.56 -41.34 43 190 570 270 8500 <br /> 12.62 1 07/19/93 51.02 0 3.84 -42.24 <br /> 12.62 08/20/93 50.46 0 4.31 -42.15 <br /> 12.62 08/23/93 50.3 1 46 <br />