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TABLE 2 <br /> HISTORICAL, GROUNDWATER CONDITIONS <br /> U-HAUL#709-50 <br /> STOCKTON, CALIFORNIA <br /> Well I D Depth to Ground- Ethyl- Total <br /> Casing Date Ground- water TPHg Benzene Toluene <br /> Elevation water Elevation (ug/L) (uglL) (ug/L) Benzene Xylenes Ref <br /> (feet) (feet) (feet) (uglL) (uglL) <br /> MW-1 Aug-91 8002 -5992 1900 400 25 200 (1) <br /> 2010 Sep-91 7990 -5980 7600 3900 1700 89 440 (1) <br /> Sep-92 8550 -6540 8800 600 430 200 500 (1) <br /> Dec-92 8224 -6214 18000 5500 1700 <03 3000 (1) <br /> Mar-93 7408 -5398 8800 3200 840 <03 (1) <br /> May-93 7366 -5356 170000 32000 28000 2300 11000 (1) <br /> 28-Sep-94 7487 -5477 21000 5400 2600 300 1100 (2) <br /> 1-Dec-94 71 38 -51 28 5300 64 42 <60 60 (2) <br /> 21-Feb-95 6614 -4604 2100 47 66 <20 28 (2) <br /> 16-May-95 5989 -3979 1100 85 12 <06 51 (2) <br /> 14-Aug-95 6491 -4481 8600 1800 31 200 110 (2) <br /> 24-Oct-95 6415 -4405 270 18 55 13 95 (2) <br /> 8-Feb-96 5399 -3389 60 20 091 <03 1 5 (2) <br /> 26-Jun-96 5461 -3451 <50 1 6 <0 5 <0 5 <1 0 (2) <br /> 26-Sep-96 6308 -4298 <br /> 24-Sep-97 61 04 -4094 <50 33 <0 5 <05 <1 0 (2) <br /> 24-Mar-99 3773 -1763 <50 09 <0 5 <05 <0 5 (3) <br /> 3-Sep-99 4828 -28 18 <br /> MW-2 Aug-91 81 28 -5998 600 185 10 03 12 (1) <br /> 21 30 Sep-91 81 14 -5984 130 28 1 5 <03 077 (1) <br /> Sep-92 86 74 -6544 <500 <0 3 <0 3 <0 3 <0 6 (1) <br /> Dec-92 8342 -6212 <500 <0 3 <03 <03 <0 6 (1) <br /> Mar-93 7532 -5402 <500 <0 3 <0 3 <03 <0 6 (1) <br /> May-93 74 98 -5368 170 40 <1 0 <10 1 (1) <br /> 28-Sep-94 76 12 -5482 2300 890 180 <60 140 (2) <br /> 1-Dec-94 7267 -51 37 1100 54 77 <60 12 (2) <br /> 21-Feb-95 6754 -4624 480 92 11 <03 1 1 (2) <br /> 16-May-95 61 16 -3986 55 1 6 038 <03 <0 6 (2) <br /> 14-Aug-95 6620 -4490 1800 820 80 42 54 (2) <br /> 24-Oct-95 6544 -4414 130 28 14 51 23 (2) <br /> 8-Feb-96 5525 -3395 <50 1 0 09 048 26 (2) <br /> 26-Jun-96 55 93 -3463 150 76 07 29 4 (2) <br /> 26-Sep-96 6440 -4310 <br /> 24-Sep-97 6224 -4094 82 <0 5 <0 5 <05 <1 0 (2) <br /> 24-Mar-99 3899 -1769 <50 25 <0 5 <05 <0 5 (3) <br /> 3-Sep-99 4960 -2830 <br /> MW-3 Aug-91 8092 -5995 500 50 18 85 (1) <br /> 2097 Sep-91 80 80 -5983 630 36 49 22 230 (1) <br /> Sep-92 86 36 -6539 2200 06 88 04 1 6 (1) <br /> Dec-92 83 04 -6207 <500 <0 3 <0 3 <03 <0 6 (1) <br /> Mar-93 7500 -5403 <500 <0 3 <0 3 <03 <0 6 (1) <br /> May-93 7492 -5395 650 36 30 <1 0 52 (1) <br /> 28-Sep-94 7573 -5476 880 89 87 35 24 (2) <br />