SITE INFORMATION AND CORRESPONDENCE_FILE 2

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0 0 TABLE i WELL CONSTRUCTION DETAILS AND PROPOSED WELL DESTRUCTION METHOD Former Unocal#0187 Chevron Site ID 306415 437 East Miner Avenue Stockton,Cal'Ifomia op of Casing Total Casing Boring Screen Bentonite Location Elevation Depth Diameter Diameter Interval Filter Pack Seal Mentlgcetian Note Oa[e (feet AMSL) (/eet bgs) (Inches) Casing Material (Inches) that bgs) (feet bgs) (feet bgs) Proposetl Me[hotl of Oes[rustlon Monitoring Wells U-1 1 07I0]l94 1348 55 2 PVC a 30-55 27-55 25-27 Well Detonation U-2 1 ]!154 1346 60 2 PVC 8 W-60 28-60 26-28 Well Detonation U-3 1 711194 13.22 55 2 PVC 8 30-55 28-55 28-28 Well Detonon ati 1 ]/1955 13.53 55 2 PVC 8 35-55 U-0 33-55 31-33 Well Detonation U-5 1 711955 14.39 55 2 PVC 8 35-55 33-55 31-33 Well Detonation U6 1 7/2055 13.34 55 2 PVC 8 35-65 33-55 31-33 Well Detonation U-7 1 ]/2085 13.55 55 2 PVC 8 35-55 --n 33-55 31-33 Well Deton U6 1 ]5855 13.46 55 2 PVC 8 35-55 33-55 31-33 Wel.Detonation U-9 1 8/195] 13.71 56 2 PVC 8 25-56 23-56 21-23 Well Detonation U-10 1 5/8/00 1345 120 2 PVC 8 110-120 108-120 108-108 Well Detonation U-01 1 bill Iluu 14.35 35 2 PVC 8 20-35 18-35 16-18 Well Detonation U-12 1 55100 14.22 120 2 PVC 8 110-120 108-120 106-108 Well Detonation U-13 1 5/10100 1409 75 2 PVC 8 65.75 63-75 60-63 Well Detonation 4.1 U-14 1 10/31/00 14 75 2 PVC 8 65-75 63-75 59-63 Well Detonation U-15 1 10130/00 1392 118 2 PVC 8 108-118 106-118 102-108 Well Detonation U-16 1 10/30/00 13.50 74 2 PVC 8 84-74 82-]4 SB-82 Well Detonation U-17 1 10/31/00 13.41 120 2 PVC 8 110-120 108-720 104-108 Well Detonation U-18 1 11/BIOo 1346 80 2 PVC 8 ]0-80 88-80 84-68 Well Detonation U-19 1 11/8/00 1384 120 2 PVC 8 110-120 108-120 104-108 Well Detonation U-20 1 11/6100 1401 75 2 PVC 8 65-]5 63-75 59-83 Well Detonation U-21 1 11/35p 13.77 120 2 WC 8 110-t20 108-120 104-108 Well Detonation U-22 1 11!1/00 14.08 75 2 PVC 8 65-]5 63-75 59-63 Well Detonation U-23 1 liffmo11/31w 14.15 75 2 PVC 8 110-120 107-120 102-107 Well Detonation U.23 1 11/350 13.86 ]5 2 PVC 8 65-]5 63-75 59-63 Well Detonation U.25 1 11/1100 1375 120 2 PVC 8 110-120 108-120 104-108 Well Detonation U.27A 3 1/29/11 13.31 52 2 PVC 8 42-52 40-52 38-40 Well Detonation PVC 8 25-35 23-35 21-23 Well Detonation U-27N 158111 - 35 2 U-27B 3 1/26/11 13.05 75 2 PVC 8 65-75 63-75 81-63 Well Detonation 3 126/11 12.68 60 2 PVC 8 55-60 53-60 51-53 Well Detonation U-27B' NP-1-22 1 11/2158 12.73 37 1 PVC 8,25 22.37 t9-37 14-19 Wall Detonation NP-165 1 112158 1255 75 1 PVC 8.25 65-75 62-75 58-62 Well Detonation NPA-111 1 11/2158 1242 116 1 PVC 8.25 111-116 108-116 103.5- onation 108 Well Det NP-2-22 1 1/859 13.45 47 1 PVC 8.25 22-47 20-47 16-20 Well Detonation NP-260 1 1/859 13.43 7D 1 PVC 825 60-70 57-70 48-57 Well Detonation NP-2-116 1 11859 13.60 121 1 PVC 8.25 t16-121 108-121 108-111 Well Detonation UV-1 U-P) 1 7/1955 1348 45 4 PVC 10 15-45 15-45 13-15 Wall Detonation UV-2 1 10/31/00 13.46 25 4 PVC 8 15-25 13-25 11-13 Well Detonation UV-3 1 1113/00 13.22 25 4 PVC 8 t5-25 13-25 tt-13 Well Detonation C:\Usem�sMZUpppalaLLoralPlicmzofl\WlntlaxsRempo2ry Inkmel FibsWantenl.0utbokblDTS5E1\Teale 1-Sall Boring entl Well Donstmglon Delaie 30M15.tlsa tors