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TABLE 1 <br /> WELL CONSTRUCTION DETAILS <br /> PG&E Former Trary MGP Site <br /> Trecy,California <br /> Bentonite Well Well <br /> Well Measured De hTo Screen Screen Topof Ground Bentonite Send Pack Santl Pack Well <br /> Borehole Slot Size Seal Screen Screen <br /> We1110 Diameter CasingWeil Depth Water Interval Length Casing Surface Seal Top Top Bottom Bottom <br /> lin) Diameter (in) g Elevation Elevation Elevation Bottom Elevation Elevation Top Bottom Elevation <br /> (R BTOC) Ift BTOC) (R bgs) (ft) (ft AMSL) (ft AMSL) Ift AMSL) Elevation (ftAMSL) IRAMSL) Elevation Elevation (RANSL) <br /> lit AMSU <br /> TP-1- 4 8 40 PVC 001ii.st, 1 7.97 8S.11F 3 41,W 40.24 3fi 34.86 3486 29.86 32.88 29,W 29,86 <br /> TW-04 ff <br /> 1 <br /> 4 PVC 0 21 8.00 J 15 41 41.66 40.66 5.66 35.66 19.66 3466 1966 <br /> TW-2 4 B Srh 40 PVC 001 20.29 9.06 5.5 to 205 15 4133 41.62 4062 3662 36.82 2112 36.12 21.12 2D 12 <br /> 7W-3 4 8 Sch 40 PVC 001 20.01 1 8.01 ato]1 15 3985 40.16 3915 3516 3516 1816 34.16 19.16 1916 <br /> TA14 d 8 40 DD1 2830 818 241029 5 3988 4 3824 1724 1724 1124 1624 1124 1124 <br /> • J4v-5R 4 8 SCh.w PVC O.D1 27.01 8.25 6.5 to 2135 2D 40.26 40.75 39.75 55.25 35.25 14.25 34.25 14.25 13.75 <br /> T W$ 4 8 Stlt BO PVC 0.01 26.88 8.35 6.5 to 26.5 20 40.32 40.B7 39.67 35.57 35.57 14.37 34.37 14.37 13.87 <br /> iW-7 4 8 SN1.80 PVC 0.01 26.84 8.12 6.3 to 26+3 20 40.08 40.46 39.46 34.96 34.96 14.16 34.16 14.16 13.68 <br /> 11N-8 4 8 Sch.80 PVC 0.01 22.18 7.99 6.5 to 21.5 15 41.20 41.57 40.57 38.57 36.57 20.07 35.07 2D.07 19.57 <br /> TW-9 4 8 Sc1n.80 PVC 0.01 213.20 8.05 5.5 to 25.5 2D 41.43 41.&5 40.85 37.35 37.35 18.35 38.35 18.35 15.85 <br /> TVb10 4 8 Soh.80 PVC 0.01 25.18 7.98 4]m 24.5 20 41.04 41.]3 40.]3 38.23 38.23 1].IX1 3].03 1].03 16.53 <br /> T4V-11 4 8 Sch.80 PVC O.D1 24.48 8.63 3.9 to 23.9 20 41.68 4193 40.83 38.43 38.43 18.03 38.03 18.03 1].53 <br /> 1W-12 9 8 Seh.80 PVC 0.01 26.45 8.16 6W 26 20 41.32 41.60 40.fi0 3].10 37.10 15.fi0 35.80 i5.fi0 15.1 <br /> TW-13 4 8 SO.80 PVC 0.01 25.01 8.82 4.1 to 24.1 20 41.9] 42.31 41.31 37.31 3].31 18.21 311.21 18.21 1].]1 <br /> PN-14 4 8 Sch.80 PVC 0.01 26.11 ].9] 61026 20 41.30 41.82 40.82 3].62 3].82 15.82 35.82 15.82 15.32 <br /> EP-1 12 NA OPVC 0 5 1163 7.00 6631 3 5 4 41.]4 NA NA NA A 35.44 31.14 <br /> EP-2 8 NA .e PVC 0 12.48 7.95 7.2 to 5 4 41.]2 NA NA NA A 34.52 29.22 29422 <br /> EP-3 6 1 NA Srh 80 PVC 0.1 11.18 J.JB 5.9 t0 109 5 4135 41.]8 NA NA NA NA 35.88 30.58 3058 <br /> EPA fi NA BO PVC 01 1 1131 I ] BOt0 110 0 26 di] NA NA NA I NA 1 35,74 044 3044 <br /> EP$ 6NA U1.BD PV 0.1 8.06 D Y 2815].8 41.12 41.57 NA NA A NA 877 33.47 33.47 <br /> A1-SG1 11 0.25 3 Te turtless Mesh 50 NA 425 to 0.75 1 NM NM 403 37.3 37.3 358 1 36.6 358 MA <br /> A1-SG2 025 3 Teffor,'Shinless Mesh 50 NA d 25to5 0.75 1 NM NM 403 373 373 358 386 358 358 <br /> g1SG3 0625 3 1`0110h/Stainless Mesh S.o NA 4.25 toy 0.75 1 NM NM 40.3 37.3 37.3 35.8 38.8 35.8 MA <br /> B15G1 0.25 3 Teflon ta' less Mesh 5.0 NA 4.25 to 0.75 NM NM 40.3 3 3 37.3 35.8 388 35.8 35.8 <br /> 1- 1 p. 5 3 Teflon tai less es 5.0 NA 4.25 to 0.75 NM NM 40.3 37q3 37.3 35.8 wk 35.8 35.8 <br /> D1-SGi 5.25 3 Teflonrsainless Mesh 5.0 NA 4.25 to 0.75 NM NM 40.3 37.3 37.3 35.8 35.8 35.8 35.8 <br /> E1SG1 0.25 3 Teflon/Stainless Mesh 5.0 NA 4.25 to 035 NM NM 40.3 37.3 3].3 35.8 3666 35.8 35.8 <br /> A2-SG1 0.25 3 Tefl0nl5tainless Mesh 5.0 NA 4.25 to5 0.75 NM NM 4D.3 37.3 37.3 35.8 36.6 35.8 35.8 <br /> MSG1 0.25 3 Teflon/Stainless Mesh 5.0 NA 4.25 toy 0.]5 NM NM 40.3 37.3 37.3 35.8 38.6 35.8 35.8 <br /> C2-SG1 0.25 3 Teflonl9ainless Mesh 5.0 NA 4.25 to5 0.75 NM NM 40.3 37.3 3].3 35.8 36.8 35.8 35.8 <br /> A3-SG4 0.25 3 Teflonl5tainless Mesh - 5.0 NA 4.25 toy D.75 NM NM 40.3 37.3 37.3 35.8 38.8 35.8 35.8 <br /> A3SGS 0.25 3 TefloNStainless Mesh 5.0 NA 4.25W5 0.75 NM NM 4D.3 37.3 37.3 35.8 36.6 35.8 35.8 <br /> A3SG6 0.25 3 TefioNStalnless Mesh 5.D NA 4.25 to5 0.]5 NM NM 4D.3 37.3 3].3 35.8 36.6 35.8 35.8 <br /> B3SG1 0.25 3 Teflon/Stainless Mesh 5.0 NA 4.25 toy 0]5 NM NM 40.3 3].3 3].3 35.8 36.8 35.8 35.8 <br /> C3-SG1 0.25 3 TeflONStsinlass Mesh 5.0 NA 4.25 toy 0.75 NM NM 40.3 37.3 37.3 35.8 38.8 35.8 35.8 <br /> D3-SG1 0.25 3 TefloNStainless Mesh 50 NA d.25 toy D]5 NM NM d0.3 3].3 373 35.8 36.8 35.8 35.8 <br /> OIP-1 1 NA Sch.40 PV 2603,22rt. 12.0 8.0 Hotz0ntel .00 NM NM NA NA N NA NA NA NA <br /> OIP-2 1 NA ScM1.40 PV 3 ert. 12.0 8.D Horizontal 2005 NM NM NA NA NA NA NA A NA <br /> OIP-3 1 Nq Sct.40 PVC 0.03 ert. 12.0 8.0 Horizontal 2D DD NM NM NA NA NA NA NA NA NA <br /> OIP< 1 NA SCM1.40 PVC 003 ert. 12.0 8.0 Horizontal 2000 NM NM NA NA I NA NA NA I NA I NA <br /> OIP-li 1 N ch VC 00B0 000 M NA NA A NA NA <br /> OIP$ 1 NA Sch.4D PVC 0.03 rf. 12.0 I 8.0 I Horizontal I 20.00 I NM I NM I NA I NA I NA I NA I NA INA NA <br /> NOTES <br /> If BTOC-Feet below top of razing NA=Not applicable <br /> fl logs=Feel below ground Surface PVC=Poyvinyl chlorke <br /> R AMSL=Fast above mean see level NM=Not measured <br /> In=Inches part=Hand ddlLpertOlat il <br /> =Elavations estimated relative to neamy surveyed wap TNA All elevations relative to North Amerkan Vertical Datum off 0"INAV088):Mg1W edon98ude date relative to North American datum of 1883(NAD83) <br /> x=Elevations estimated unng Ga a h AMSLas an average ground wrfam elevadon for all mil,a sample polms <br /> PARfOf11i Page 1 of 1 <br />