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I <br /> I <br /> 1 h <br /> Page 18 of 19 <br /> I <br /> t Table 1 <br /> Groundwater Elevation and Analytical Data <br /> ARCO Service Station#2093 <br /> 13425 Tracy Blvd,Tracy,CA <br /> Well Depth Groundwater Groundwater Product Ethyl- Xylenes <br /> Well Date Devaton to Water Elevation Sey"ation Thickness TPHg Benzene Toluene benzene (total) MtBE DO <br /> Number Sampled (ft,MSL) (ft,TOC) (ft,MSL) , Change(ft) (ft) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (mg/L) <br /> ATR-12 3117199 NP 916 37 92 0-15 <60-- <br /> f AS A5 A5 <05 <50 18 <br /> (cont) 5114199 NP 933 3775 -0117 f <50 <0 5 <4 5 <0 5 <0 5 <5 0 2 0 <br /> 9116199 NP 955 37 53 422 -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 3 7 <br /> 12/22/99 NP 942 3766 0,113 -- <50 <0 5 <0 5 <0 5 <0 5 <2 50 0 83 <br /> 2129100 NP 893 3815 I 0149 -- <50 <0 5 <0 5 <0 5 <0 5 <2 50 5 7 <br /> 6/7/00 Well Inaccessible <br /> 9125(00 Well Inaccessible <br /> 12121/00 Well Inaccessible <br /> 3127101 P 926 37 82 1 -033 - <50 0 <0 500 <0 500 <0 500 <0 500 <2 00* 2 3 <br /> 6120/01 P 996 3712 1 -0170 -- <60 <0 50 <0 50 <0 50 <0 50 <2 0* -- <br /> 9/12101 P 9 38 3770 0158 — <50 <0 50 <0 5o <0 50 <0 50 <2 5 20 <br /> 1I <br /> SMW-1 1017194 5024 12186 3738 0 I -- 2,200 250 110 <0 5 360 -- — <br /> 12(16/94 1254 3770 0 32 - 5,200 740 210 330 600 <br /> 2128195 1240 3784 0{114 -- 8,300 1,000 330 450 790 <br /> 4126195 1271 37 53 -0431 -- 5,100 470 110 270 480 - <br /> 7/27/95 1300 37 24 -0429 -- 7,400 410 42 360 630 -- <br /> 10/26195 (a) 1303 — 11 -- -- — -- _ <br /> 10/27/95 -- -- 11 - 7,600 640 33 440 410 <br /> 2112!96 1200 -- { f 3,800 390 <0 5 220 98 - <br /> 4/18/96 1258 -- -0f58 -- 500 60 <0 5 20 74 - <br /> 7116/96 1286 -0127 -- 3,400 200 <5 130 56 60 -- <br /> 11/15196 1340 -- ' -0155 E�E — 2,500 180 <2 5 62 21 590 <br /> 3114/97 NP 1335 1 0105 1,700 130 <0 5 <0 5 ' <0 5 230 013 <br /> 614197 NP 12 73 - 0 62 -- 520 36 31 14 1 5 47 005 <br /> 8111197 __ .. <br /> 11/17/97 NP 1296 -- d k- -- <50 <0 5 <0 5 <05 < <0 5 290 -- <br /> 3l30/98 NP 1215 -- 0 81 h -- 910 46 <0 5 <0 5 1 1 110 16 <br /> 8125198 NP12 70 -- -0 55 -- 692 0 666 <0 5 <0 5 <0 5 76 5 1 6 <br /> 9111198 NP 1290 -- 1 -0 20 <50 <0 5 <0 5 <0 5 <0 5 290 1 7 <br /> 12/15198 ^ — .. II. I __ ° ' <br /> l� <br /> Well no longer monitored or sampled <br /> r <br /> TEX-1 10/26/95 (a) 1286 -- ;i- 4 <350 <5 <0 5 <0 5 <0 5 -- - <br /> 2/12196 1090 -- 1196 -- -- <br /> 4/1 a(96 <br /> -4116196 11 35 -- -0145 <50 <0 5 <0 5 <0 5 <0 5 - <br /> I � - <br /> ProfecWAO/2093/Reports+Tablea(gwtables2093 As j <br />