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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 PPS PPB PPB PPB PPM <br /> MW12 12.38 -37.62 12/09/88 <br /> MW12 12.38 -37.62 10/01/92 S6.8B 0 0.00 -44.50 <br /> MW12 12.38 -37.62 10/08/92 56.92 0 0.00 -44.54 110 5.3 1.9 <0.3 2.1 <br /> MW12 12.38 -37.62 11/11/92 56.56 0 0.00 -44.18 <br /> NW12 12.38 -37.62 12/09/92 56.14 0 0.00 -43.76 910 180 3.8 1.8 16 <br /> r <br /> 12.38 -37.62 01/15/93 55.52 0 0.00 -43.14 <br /> 12.3B -37.62 02/08/93 54.58 0 0.00 -42.20 <br /> 12.38 -37.62 03/11/93 54.42 0 0.00 -42.04 530 <0.3 0.7 1.4 1.2 <br /> 12.38 -37.62 04/15/93 53.6 0 0.00 -41.22 <br /> 12.38 -37.62 05/18/93 51.61 0 0.00 -39.23 <br /> 12.38 1 -37.62 06/14/93 52.8 0 0.00 -40.42 620 180 1.2 33 <0.9 <br /> MW12 12.38 -37.62 07/19/93 51.66 0 0.00 -39.28 <br /> MW12 12.38 -37.62 08/20/93 53.12 0 Tr -40.74 <br /> MW12 12.38 -37.62 06/23/93 53.12 0 Tr -40.74 <br /> MW12 12.38 -37.62 09/15/93 53.33 0 0.00 -40.95 <br /> MW12 12.38 -37.62 09/29/93 53.32 0 0.00 -40.94 <br /> MW12 12.38 -37.62 09/29/93 53.32 0 Tr -40.94 540 18❑ 5.4 61 12 <br /> MW12 12.38 -37.62 11/05/93 52.9 0 0.00 -40.52 <br /> MW12 12.36 -37.62 12/22/93 52.26 0 0.00 -39.88 4800 1700 20 350 20 <br /> MW12 12.36 -17.62 02/10/94 52.25 0 Tr -39.87 <br /> MW12 12.38 -37.62 03/04/94 50.92 0 Tr -38.54 <br /> MW12 12.38 -37.62 03/29/94 50.15 0 0.00 -37.77 1500 820 2 150 5 <br /> MW12 12.38 -37.62 o4/26/94 49.79 0 0.00 -37.41 <br /> MW12 12.38 -37.62 05/19/94 50 0 0.00 -37.62 <br /> MW12 12.38 -37.62 06/22/94 49.14 0 0.00 -36.76 1400 510 <3 47 <10 <br /> MW12 12.38 -37.62 08/17/94 51.35 0 0.00 -38.97 <br /> MW12 12.38 -37.62 09/14/94 50.21 0 0.00 -37.83 400 14 <0.5 <0.5 <2 <br /> MW12 12.38 -37.62 10/26/94 50.4 0 0.00 -38.02 <br /> MW12 12.38 -37.62 12/16/94 50.03 0 0.00 -37.65 500 130 8 3 4 <br /> MW12 12.38 -37.62 01/25/95 49.42 0 0.00 -37.04 <br /> MW12 12.38 -37.62 03/15/95 48.46 0 0.00 -36.08 90 0.7 <0.5 <0.5 <2 <br /> MW12 12.38 -37.62 04/12/95 48.56 0 0.00 -36.18 <br /> MW12 12.36 -37.62 05/17/95 47.29 0 0.00 -34.91 <br /> MW12 12.38 -37.62 06/21/95 46.98 0 0.00 -34.60 2000 150 62 120 300 <br /> MW12 12.38 -37.62 08/01/95 47.17 0 0.00 -34.79 <br /> MW12 12.38 -37.62 09/26/95 47.32 0 O.OD -34.94 2100 98 6.8 120 180 <br /> MW12 12.38 -37.62 10/17/95 46.62 0 0.00 -34.24 <br /> MN12 12.38 -37.62 11/14/95 46.8 0 0.00 -34.42 <br /> MW12 12.38 -37.62 12/12/95 47.33 0 0.00 -34.95 6300 210 200 410 1400 <br /> MW12 12.38 -37.62 01/22/96 45.35 0 0.00 -32.97 <br /> MN12 12.38 i -37.62 03f06/96 1 44.9 0 0.00 -32.52 9500 250 460 560 2100 <br />