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• i � <br /> TABLE 1 GROUNDWATER MONITORING AND CH33MICAL RESULTS <br /> FORMER REGAL STATION 603, 6425 PACIFIC AVENEUE, STOCKTON, CALIFORNIA <br /> WELL H 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 /> MW-10 10 51 12/09/88 <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 11/02/89 <br /> 10 51 12/01/89 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 os/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 06/27/91 55 7 0 -45 19 FLOATING PRODUCT SHEEN <br /> 10 51 09/18/91 55 66 0 -45 15 FLOATING PRODUCT SHEEN <br /> 10 51 12/17/91 56 18 0 -45 67 120 17000 17000 3.800 14000 <br /> CIO 10 51 01/21/92 54 06 0 0 37 -43 92 <br /> A^ 10 51 02/04/92 53 98 0 0 00 -43 47 FLOATING PRODUCT SHEEN <br /> lV/ 10 51 03/10/92 52 54 0 0 61 -42 65 SHEEN OF FLOATING PRODUCT - CLEAR YELLOW <br /> 10 51 04/29/92 54 3 0 0 Go -43 79 WATER IS CLEAR <br /> 10 Si 06/18/92 dry 0 0 00 WELL DRY NO SAMPLE TAKEN <br /> 10 51 07/16/92 55 4 0 0 37 -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 SRV 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 ❑ 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 02/00/93 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 05/10/93 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 07/19/93 51 02 0 3 84 -42 24 <br /> 12 62 00/20/93 50 46 0 4 31 -42 15 <br /> i <br /> 12 62 09/23/93 50 3 0 4 78 -42 46 <br /> 12 62 09/15/93 50 82 0 0 00 -38 20 <br />