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TABLE 1 <br /> Well Construction Details ' } <br /> 76 (Former BP) Service Station No. 11194 <br /> 2375 North Tracy Boulevard, Tracy, California <br /> Elevation Borehole Casing Screened Filter Pack Bentonite Seal Cement Seal <br /> Construction Boring Depth Casing Slot Size Well I.D. Diameter Diameter Interval Interval I(TOC feet above Interval Date (feet bgs) (inches) Inches Material (inches) Interval Comments <br /> MSL <br /> i f 1 (feet bgs) (feet bgs) (feet bgs) {feet bgs) <br /> Groundwater Monitoring Wells-On Site <br /> MW-1 lqk- 8/29/1986 28.99 20 - 8 2 PVC 0.02 5-20 _ µ 4-20 - 3-4 0-3 Pressure Grout <br /> MW-2 4?-If 8!2911986 28.33 20 8 -� 2 PVC 0.02 5-20 4.20 3-4 0-3 -Overdrill <br /> MW-3 1-Xl 812911986 27.35 20 8 2 PVC 0.02 5-20 4-20 3-4 0-3 <br /> Overdrill <br /> MW-4 q-11 8129/1986 28.07 20 8 2 PVC 0.02 5-20 4-20 3.4 0-3 Overdrill <br />+ MW-5q`ft 1/27/1987 27.33 20 8r4 1 PVC 0.02 4-20 3-20 2.5-3 0-2.5 Overdrill <br /> MW-9 /^ly 313012007 28.39 50 8 2 PVC 0.02 40A5 38-50 36-38 0-36 Overdrill <br /> AMW-5-9.11 10/29/1991 28.18 16.5 10 4 PVC 0.02 5-15 4.16.5 3.5-4 0.5-3.5 Overdrill <br /> AMW-5 1"t S11119/1991 27.49 14 10 4 PVC 0.02 4-14 3.5-14 3-3.5 1.5-3 Overdn)l <br /> Groundwater Monitoring Wells-Off Site <br /> MW-6 "1 1127/1987 27.72 15 -8 2 - PVC _ 0.02 4-15 3-15 _ 2.5-3 <br /> MW-7 ^(� 112711987 28.64 20. - 8 .-2.. -PVC- 0.02.... NA v ..4-20 .. _ 3-20 h <br /> _ . <br /> 0 <br /> . .3 y Pressure Grout, <br /> f MW-8 1-14 1/2711987 27.74 15 _ 8 y 2 PVC 0.02 _4.15 3-15 2.5-3 0-2.5 Overdrill <br /> AMW-1 �Q'7 4123/1990 _ 28.71` 20 10.5 4 PVC0.02 4-20 X320 <br /> _ 2-3 0-2 Pressure GroutM <br /> AMW-2 J'tt 412311990 - 28.62 20 Y W - 10.5 4 _PVC 0.02 `5-20 4-24 3.4 0 3 - - <br /> Pressure Grout <br /> AMW-3 Ll--) 818/1990 27.42 15 8.5 2 PVC 0.02 2.5-15 2.15 1.5-2 0-1.5 Pressure Grout <br /> AMW4 9"] 818/1990 27.83 15 8.5 2 PVC -. .._ 0.02 2,5.15-. 2-15•_-.. _. 1.5-2 0-1.5 <br /> _ Pressure Grout._ <br /> Notes: <br /> bgs=below ground surface <br /> MSL=mean sea level' <br /> NA=Not applicable <br /> -=Not available 4 <br /> Elevations are in US survey feet,Vertical Datum is NGVD29 <br /> Wells were resurveyed by Morrow Surveying on April 2.2007. <br /> Table 1 -Well Construction Details Tracy 1 of 1 <br /> Sianfec.y-'�� <br />