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TABLE 1 ,
<br /> GROUNDWATER MONITORING DATA
<br /> Beacon Station No.12474
<br /> 3440 East Main Street,Stockton,California
<br /> ethyl- total Depth to TOC GW
<br /> Well TPHg benzene toluene benzene xylenes MTBE DIPE ETRE TAME TBA methanol ethanol EDC EDB GW Elevation Elevation
<br /> Number Date (ug/L) (ug/L) (ug/L) (ugIL) (ug/L) (ug/L) (ug/L) (ugIL) (ug/L) (ugtL) (ug/L) (ugtL) (ug/L) ug/L (feet) (feet msl) (feet msl) Comments
<br /> MW-8 03131/98 100 40.50 -0.50 40.50 -0.50 <5.0 no no no no no no 61.51 25.68 35.83 reported as MW-3A
<br /> screened 06110/98 80 0.9 <0.50 -0.50 <0,50 -5.0 no no no no no no 5886 -33.18 reported as MW-3A
<br /> interval 09108!98 79 0.57 <0.50 <0.50 <0,50 <0.50 <0.50 <0.50 <0.50 <5.0 <50 <5.0 1 58.97 -33.29 slight odor 1 no sheen
<br /> 56'-76' 12/30/98 51 2.4 0.69 40.50 <0,50 450 na no na no no no 57.13 31.45 sight odor I no sheen
<br /> 03/25199 <50 <0.50 <0.50 <0.50 40,50 <0.50 <0.50 -0.50 <0.50 <5.0 450 <5.0 55.09 -29.41 no comment
<br /> 06/03/99 <50 <0.50 40.50 40.50 40.50 <0.50 40.50 -0.50 -0.50 <5.0 4513 <5.0 40,50 <0.50 54.42 -28,74 no comment
<br /> 08/30/99 450 0.67 40.50 -0.50 -0.50 -0.50 -13.50 -0.50 40.50 -5.0 -50 -5.0 40.50 40.50 56.60 -30.92 nooamment
<br /> 12!10199 330 -0,50 -9.50 -0.50 -0,50 -0.50 -0.50 -0.50 -0.50 5.1 4513 4113 0.51 -0.513 56.57 -30.89 no comment
<br /> 03/03100 -50 -0,50 <0.50 <0.50 -0.50 -0.50 -0.50 <0.50 -0.50 <5.0 450 -5.0 -0.50 -0,50 55.28 -29.60 no odortno sheen
<br /> 06122100 -50 -0.50 -0.50 -0.50 -0.50 <0.50 -0.50 <0,50 -0.50 <5.0 450 12 0.63 <0 50 54.37 -28.69 no odor/no sheen
<br /> 09128/00 <50 -0.50 -0.50 -0.50 <0.50 45.0 na na no no na no no no 5675 -31.07 no ododno sheen
<br /> 1221100 4513 -0.50 -0.50 <0,50 -0.50 <5,0 na no no no no na na na 55.92 -30.24 no odortno sheen
<br /> 03128x01450 <0.50 1.4 -0.50 1.1 45,0 no na na no no no no no 54.98 -29.30 no odorkw sheen
<br /> 6/2
<br /> 07/01 <50 <0.50 -0.50 -0.50 -0.50 -0.50 -0.50 -0.50 <0.50 7.6 4513 <5,0 <0.50 -0.50 56.57 -30.89 no odorino sheen
<br /> 09106101 450 -0,50 -0.50 <0.50 -0.50 45.0 na na na no no no no no 58.46 -32.78 no ododno sheen
<br /> 12/03/01 130 -0.50 <0.50 -0,50 <0.50 <5.0 no no na no no no no no 5902 -33.34 no ododno sheen
<br /> 0228102 85 <0.50 <0.50 40.50 -0.50 45.0 no no na na na no no no 57.65 -32.17 no ododno sheen
<br /> MW-9 03/31798 450 -0.50 -0.50 <0.50 -0.50 <5.0 no no na no no no 62.59 26.68 -36.01 reported as MWAA
<br /> screened 06110/98 66 <0.50 <0-50 -0,50 <0.50 <5.a no no no no no no 59.91 -33,33 reported as MW-IA
<br /> Interval 09/08198 450 -0,50 -050 -0.50 <0.50 -0.50 <0,50 <050 -0,50 -5.0 <50 c5.0 59.99 -33,41 no odor Inosheen
<br /> 56'-76' 12/30/98 <50 <0.50 -0.50 <0.50 -0.50 -0.50 na na na no no na 58.01 -31.43 no odor 1 no sheen
<br /> 03/25/99 <50 <R50 <0.50 -0.50 <0,50 -0.50 -0.50 <0.50 <0,50 <5-0 -50 <5.0 56,02 -29.44 no comment
<br /> 06!03199 92 -0.50 -0.50 1.0 5.7 -0.50 <0 50 <0.50 -0.50 <5.0 <50 <5.0 5.3 <0-50 55.43 -28.85 no comment
<br /> 08/31199 58 -0.50 <0.50 <0.50 -0.50 <0,50 -0.50 -0.50 <0.50 <5.0 <50 <5.0 066 <0.50 57.68 -31.10 no comment
<br /> 12110/99 140 -0.50 -0.50 <0.50 -0.50 -0,50 -0.50 -0.50 -0.50 -5.0 4513 45.0 9.81 •?.50 57.49 -30.91 no comment
<br /> 03103100 75 -0.50 -0.50 40.50 <0.50 -0.50 <0.50 <0.513 -0 50 45,0 <50 <5.0 0.99 -0.50 56.54 -29.96 no odorino sheen
<br /> 06126100 73 <0.50 -0.50 -0.50 -0.50 -0.50 -0.50 -0.50 -0.50 <5,0 450 10 <0.50 <0.50 55.41 -28.83 no odorino sheen
<br /> 09128!00 450 -0.50 -0.50 -0,50 -0.50 -50 no no no na na na na na 5774 -31.16 no odorino sheen
<br /> 12122MO 210 -0.50 -0.50 -0.50 -0.50 45.0 no no na na no no no no 56.89 -30.31 no odorhto sheen
<br /> 03!78!01 140 2.9 14 1.4 6.1 <5.0 no no no na na no no no 55.91 -29.33 no odor/no sheen
<br /> 06127101 2130 -0.50 0.81 -0.50 -0.50 <0-50 -0.50 <0.50 -0.50 45.0 <50 <5.0 -0.50 <0-50 57.47 -30.89 no odorino sheen
<br /> 09106/01 120 <0.50 <0.50 <0.50 <0,50 <5.0 no no no no no na nano 59.52 32.94 no odor/no sheen
<br /> 12103/01 160 -0.50 -0.50 -0.50 -0.50 -5.0 na na no no no no no no 59.93 33.35 no odorino sheen
<br /> 0228102 160 <0,50 13 -0.50 <0.50 45.0 na no no no no no no no 58.76 32.18 no odortno sheen
<br /> MW-10 10126/99 1 420 0.65 0.94 -0.50 0.86 2.9 50.50 -0.50 -0.50 7.1 <50 -50 2.2 -0.50 57.31 25.90 31.41 no odorino sheen
<br /> screened 03!03100 1100 1.1 -0,50 <0.50 -0.50 <0.50 <0.50 -0.50 <0.50 28 -0,50 <50 0,98 -0,50 55.32 -29.42 no odor/no sheen
<br /> Interval 06/22100 980 0.85 <0,50 <0.50 -0.50 <050 -0.50 -0.50 <0.50 17 450 <50 0.57 -0,50 54,55 -28.65 noododwsheen
<br /> 50-5-70,5 09128x00 970 1.1 -0.50 <0,50 <0.50 45,0 no na no no no no no no 56.87 -30.97 no odorino sheen
<br /> 1222!00 760 0.92 -0.50 -0.50 -0.50 45.0 no na na no no no no no 56.08 30.18 no odorino sheen
<br /> 03128!01 800 1.4 4.4 0.55 2,9 45.0 no no no no no no no no 55.09 -29.19 no odorino sheen
<br /> 06127101 1 420 -0.50 <0.50 -0.50 -0,50 -0.50 -0.50 -0.50 -0.50 7.5 <50 45.0 <0.50 -0.50 56,58 -30,68 no odortno sheen
<br /> 09x06/01 350 -0.50 <0,50 -0,50 -0.50 45.0 no no no no na na no no 58,61 -32.71 no ododno sheen
<br /> 12/04/01 410 <0.50 <0,50 <0.50 -0.50 <5-0 no no no no no no no no 59.21 -33.31 no odor/no sheen
<br /> 02!28!02 580 -0,50 <0-50 -0.50 -0.50 -5.0 no no no no no na na no 58.04 -32-14 no odorino sheen
<br /> 474gin00ab
<br /> PFOj6d Nn.1474." Page 4 of 7 HORIZON 6NVIROrrirENTAL INC.
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