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0 <br /> Table 1 - Groundwater Monitoring Data <br /> Beacon Station No. 474 <br /> 3443 East Main Street, Stockton, California <br /> F <br /> ell •Date TPHg B , T E X Depth to TOC GW <br /> mber ug/L ug/L ug/L ug/L ug/L GW Elevation Elevation Comments <br /> W-5 _03131/98 <50 <0.50 <0.50 <0.50 <0.50 61.11 25.11 -36.00 <br /> screen 06/10/98 <50 <0.50 <0.50 <0.50 <0.50 58.41 -33.30 no odor/no sheen <br /> interval 09/08/98 <50 <0.50 <0.50 <0.50 <0.50 58.41 -33.30 no odor/no sheen <br /> 65'-86.5' 12/30/98 <50 <0.50 2.5 0.89 5.8 56.51 -31.40 no odor/no sheen <br /> 03/25/99 <50 <0.50 <0.50 <0.50 <0.50 54.54 -29.43 no comment <br /> 06/03/99 <50 <0.50 <0.50 <0.50 <0.50 53.89 -28.78 no comment <br /> E MW-6 03/31/98 78,000 23,000 8,500 1,100 6,300 61.43 25.44 -35.99 reported as MW-2A <br /> screen 06/10/98 120,000 23,000 17,000 1,600 15,000 58.69 -33.25 reported as MW-2A <br /> [interval 09/08/98 120,000 30,000 20,000 2,300 18,000 58.77 -33.33 odor/no sheen <br /> 56'-76' 12/30/98 71,000 20,000 6,500 1,900 11,000 56.85 -31.41 slight odor/no sheen <br /> 03/25/99 48,000 15,000 1,800 910 5,100 54.86 -29.42 no comment <br /> 06/03/99 33,000 9,600 2,500 1,100 5,400 54.14 -28.70 no comment <br /> MW-7 03/31/98 <50 <0.50 <0.50 <0.50 <0.50 61.75 25.66 -36.09 <br /> screen 06/10/98 <50 <0.50 <0.50 <0.50 <0.50 59.04 -33.38 no odor/no sheen <br /> interval 09/08/9$ <50 <0.50 <0.50 <0.50 <0.50 59.19 -33.53 no odor/no sheen <br /> 56'-76' 12/30/98 <50 <0.50 <0.50 <0.50 <0.50 57.18 -31.52 no odor/no sheen <br /> 03/25/99 <50 <0.50 <0.50 <0.50 <0.50 55.07 -29.41 no comment <br /> 4 <br /> 06/03/99 <50 <0.50 <0.50 <0.50 <0.50 54.61 -28.95 no comment <br /> MW-8 03/31/98 < < <br /> 100 0.50 0.50 <O.SO <0.50 61.51 25.68 -35.83 <br /> reported as MW-3A <br /> . � P <br /> screen 06/10/98 80 0.9 <0.50 <0.50 <0.50 58.86 -33.18 reported as MW-3A <br /> interval 09/08/98 79 0.57 <0.50• <0.50 <0.50 58.97 -33.29 slight odor/ no sheen. <br /> 56'-76' 12/30/98 51 2.4 0.69 <0.50 <0.50 57.13 -31.45 slight odor/no sheen <br /> 03/25/99' <50 <0.50 <0.50 <0.50 <0.50 55.09 -29.41 no comment j <br /> 06/03/99 <50 <0.50 <0.50 <0.50 <0.50 54.42 -28.74 no comment <br /> 99QMTable.Q2 , Page 2 of 3 HORIZON ENVIRONMENTAL INC. <br /> • ij I <br />