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Table!-Groundwater Monitoring Data
<br /> Beacon Station No.474
<br /> 3443 East Main Street,Stockton,California
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<br /> Weq Date TPHg B T E X Depth to TOC GW
<br /> Number ug/L ug/L ug/L ug/L ug/L GW Elevation Elevation Comments
<br /> 03/31/98 <50 <0.50 <0,50 <0.50 <0.50 62.59 26.58 -36.01 reported as MW-IA
<br /> 06/10/98 66 <0.50 <0.50 <0.50 <0.50 59.91 -33.33 reported as MW-IA
<br /> 09/08/98 <50 <0.50 <0.50 <0.50 <0.50 59.99 -33.41 no odor/no sheen
<br /> 12/30/98 <50 <0.50 <0.50 <0.50 <0.50 58.01 -31.43 no odor!no sheen
<br /> 0325/99 <50 <0.50 <0.50 <0.50 <0.50 56.02 -29.44 no comment
<br /> 06103/99 92 <0.50 <0.50 1.0 5.7 55.43 -28.85 no comment
<br /> k' 08/30/99 58 <0.50 <0.50 <0.50 <0.50 57.68 -31.10 no comment
<br /> 12/10/99 140 <0.50 <0.50 <0.50 <0.50 57.49 -30.91 no comment
<br /> 03/03/00 75 <0.50 <0.50 <0.50 <0.50 56.54 -29.96 no odor/no sheen
<br /> 10!16/99 420 0.65 0.94 <0.50 0.88 57.31 25.90 -31.41 no odor/no sheen
<br /> 03/03/00 1,I00 1.1 <0.50 <0.50 <0.50 55.32 -29.42 no odor/no sheen
<br /> 1026/99 1,600 3.6 0.93 23 1.7 57.72 26.14 -31.58 no odor/no sheen
<br /> 03/03/00 300 0.8 <0.50 <0.50 <0.50 55.64 -29.50 no odor/no sheen
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<br /> 10/26/99 81,000 3,200 17,000 3,100 17,000 53.51 no odor/no sheen
<br /> 03/03/00 70,000 2800 13,000 2,000 11,000 55.63 no odor/no sheen
<br /> iw
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<br /> 1026199 1,700 100 7.7 26 27 60.94 no odor/no sheen
<br /> 03/03/00 <200 8 X2.0 3.2 <2.0 55.51 no odor/no sheen
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<br /> 09/08/98 170,000 36,000 47,000 3,300 24,000 58.88 NM ne strong odor/no sheen
<br /> i 12/30/98 190,000 34,000 49,000 3,300 24,000 57.10 nc Petrol.odor/no sheen
<br /> 0325/99 260,000 37,000 55,000 4,800 32,000 55.05 nc no comment
<br /> 06/03/99 120,000 20,000 26,000 3,500 23,000 54.19 nc no comment
<br /> 08/30/99 130,000 25,000 46,000 3,900 25,000 56.28 ne no comment
<br /> F' 12/10/99 200,000 22,000 35,000 3,300 23,000 56.42 ne no comment
<br /> 03/03/00 180,000 23,000 36,000 2,500 18,000 55.63 ne no odor/no sheen
<br /> 99QMtable.04 Page 3 of 4 HORIZON ENVIRONJdENTAL INC.
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