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Table 2
<br /> Groundwater Elevation and Analytical Data(ARCO)
<br /> ARCO Service Station#2133
<br /> 2908 Benjamin Holt Drive
<br /> Stockton,California
<br /> Well Depth Product Groundwater Groundwater Ethyl- Xylenes
<br /> well Date Elevation to Water Thickness Elevation Elevation TPHg Benzene Toluene benzene (total) MtBE DO
<br /> Number Sampled (ft,MSL) (ft,TOC) (ft) (ft,MSL) Change(ft) (uglq (ugfi) (ug") (u011) (ugll) (ug/l) (mg1L)
<br /> E-9 911111995 14.22 -- -12.66 -2.20 150,000 1,700 7,600 3,006 14,000 _ _
<br /> (cont.) 1215/1995 14.58 -- -13.02 -0.36 45,000 960 1,500 1,000 3,200 _ -
<br /> 311811996 9.62 » -8.06 4.96 8,800 290 130 240 490 - -
<br /> 611811996 10.35 » -8.79 -0.73 1,600 110 32 69 91 110 -
<br /> 9125/1996 12.82 - -11.26 -2,47 2,800 130 <5 180 46 83 -
<br /> 1214/1996 12.20 -- -10.64 0.62 2,800 290 32 250 80 560 -
<br /> 3/19/1997 NP 7.72 - -6.18 4.48 <50 <0.5 <0.6 <0.5 <0.5 <5 0.1
<br /> 615/1997 NP 9.39 » -7.83 -1.67 <50 <0.5 <0.5 <0.5 <0.5 8.5 0.2
<br /> 811911997 NP 10.84 - -9.28 -1.45 <50 <0.5 <0.5 <0.5 <0.5 <5 0,2
<br /> 1112511997 NP 11.10 -- -9,54 -0.26 <50 <0.$ <0.5 <0.5 <0.5 <5 -
<br /> 3119/1998 P 4.80 - -324 6.30 <50 4.5 <0.5 <0.5 <0.5 320 0.9
<br /> 612411998 NP 6.76 - -520 -1.96 <50 <0.6 <0.5 <0.5 <0.5 <5 2.2
<br /> 911011998 NP 8.59 -- -7.03 -1.63 <50 <0.5 <0.5 <0.5 <0.5 <5 -
<br /> 1 211 711 998 NP 8.61 - -7.05 -0.02 <5D <0.5 <O.5 <0.5 <0.5 15.0 -
<br /> 31101f999 NP 6.47 - 4-91 2.14 <50 <0,5 <0.5 <0.5 <0.5 <5 3.7
<br /> 612211999 NP 8.39 -- 3.83 -1.92 <50 <0.5 <0,5 <0.5 <0.5 <5 2.9
<br /> 911311999 NP 10.07 -- -9.51 -1.68 <60 <0.5 <05 <0.5 <0.5 127 1.9
<br /> 1211611999 NP 9.99 - -8.43 0.08 <50 <0.5 <0,5 <0,5 <0.5 <2.5 3.7
<br /> 3/2312000 NP 5.31 - -3.75 4.68 <50 <0.5 <0,5 <0,5 <0.5 <2.5 4.5
<br /> 6/21/2000 NP 7.49 - -5.93 -2.18 <50 <0.5 <0,5 <0,5 <0.5 <2.5 0.1
<br /> 971312000 NP 9.30 -- -7.74 -1.81 90.7 <D.5 <D.5 <0.5 <0.5 <2.5 4,06
<br /> 1 2/1 512 0 00 P 8.80 - -7.24 0.50 392 3.23 <0.500 5.40 10,0 8.12 1,10
<br /> 3/1/1001 P 6.89 - -5.33 1.91 439 7.10 <0-500 15.2 40.2 22A 4.3
<br /> 511012001 P 6.80 - -5.24 0.09 343 5.34 0-601 9.96 26.8 8.92 3,2
<br /> • 8122!2001 P 9.59 - -8.03 •2.79 160 3.30 D.89 6.2 12 10 -
<br /> 1215f2001 P 8,83 -7,27 0.76 240 4.3 <0.50 8.2 20 20 1.35
<br /> 3112!2002 P 7.02 - -5,46 1.81 230 4.8 <0.50 8.5 22 41 1.57
<br /> 61612D02 P 7.89 - -6,33 -0.87 <50 <0.50 <0.50 <0.50 <0.50 <2.5 1.06
<br /> 9124=02 P 9.76 - -8.20 -1.67 <50 <0.50 <O50 <0.50 <0.50 <2.5 0.73
<br /> 1211712002 P 8.15 -- -6.59 1.61 76 <0.50 <0,50 1.9 2.3 2.5 --
<br /> 311812003 P 7.96 » -6,40 0.19 <5D <0.50 <0,50 <0.50 <0.50 <2.5 1.21
<br /> 61172003 P 8.13 - -6.57 -0.17 <50 <D.50 <0.50 0.69 1A <2.5 0.70
<br /> 9124103 a P 9.92 - -8.36 -1.79 <50 <0.50 <D.50 1.0 1.6 1.8 0.63
<br /> 12!1812003 P 9.33 - -7,77 0.59 110 1.2 <0.50 3.4 7.0 30 --
<br /> 3117/2004 P 7.19 - 3.63 2.14 92 1.0 <0.50 3.6 11.D 4,2 -
<br /> 612212004 P 9.19 - -7.63 -2.00 130 1.1 <0.50 4.2 10.0 1,9 -
<br /> 912112004 P 10.26 - 41.70 -1.07 50 <0.50 <0.50 1.0 1.5 2.1 -
<br /> E-10 8=11988 1.26 - » - - - _
<br /> 11128/1988 - - - - 2,780 5,240 690 3.570 -- -
<br /> 2127/1989 - - - - - 2,970 3,020 750 5,D30 -- -
<br /> 5130A989 - - - - - 5,520 5,760 1,060 6,800 - -
<br /> 812211989 -- - - - - 2,590 3,220 570 5,200 -- --
<br /> 121411989 -- - - - - 1,300 1,200 400 3,200 -. _
<br /> 114/1990 16.37 - -15.11 - - _
<br /> 211!1990 16.14 -- -14,86 0.23 - -
<br /> 2!1511990 16.12 - -14.86 0.02 - -
<br /> 212211990 16.90 - -15.64 -0.78 - -
<br /> 31811990 15.90 - -14.64 1.00 - 339 606 268 1,460
<br /> 4!511990 16.06 -14.80 -0.16 - -
<br /> 411911990 16.20 -14.94 -0.14 --
<br /> 511011990 - - - _
<br /> 5!2411990 16.42 - -15.16 -
<br /> 6!511990 16,40 - -15.14 0.02 - _
<br /> 6!19!1990 17.14 -• -15.88 -0.74 - 3,510 3,180 790 6,490
<br /> 7712!1990 17.21 - -15.95 -0.07 - - _ _
<br /> . 911611990 17.57 = -16.31 -0.36
<br /> 9!17!1890 17,82 -16.56 -0.25
<br /> 9/19/1990 17.82 - -16.56 0.00 20,000 36 39 <50 7,700
<br /> 10!11!1990 17.94 - •16,68 -0.12 - -- - _ _
<br /> 1216!1990 17.78 - -16,52 0.16
<br /> I:1P rojectslARC012133fTableslgwla tsie s2133.xl s
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