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iTA01 <br /> SUMMARY OF GROUNDWATER MEASUREMENTS AND ANALYTICAL RESULTS <br /> Farmer Property, Stockton, CA <br /> Page 5 of 5 ti <br /> (measured in feet MSL) (Reported in ug/1) <br /> Well ID Date Wellhead Depth to GW TPHg Benzene Toluene Ethyl Xylenes MTBE ETRE TBA DIPE TAME Lead <br /> Elevation Water Elevation Benzene <br /> l I <br /> CW 07/03/97 1450 2846 -1396 60 <0 5 <05 <0 5 <0 5 <5 0 NA NA NA NA NA <br /> CW 12/23/97 1450 2883 -1433 <50 <0 5 08 <0 5 <0 5 <5* <5 <100 <5 <5 <40 <br /> CW 03/27/98 1450 2521 -1071 <50 <0 5 <0 5 <0 5 <2 NA NA NA NA NA <40 <br /> CW 06/26/98 1450 2315 -865 <50 <0 50 <0 50 <0 50 <0 50 NA NA NA NA NA NA <br /> CW 09/24/98 1450 23 37 -887 <50 <0 50 <050 <0 50 <0 50 NA NA NA NA NA NA <br /> CW 12/17/98 1450 2325 -875 <50 <0 50 <0 50 <0 50 <0 50 54 NA NA NA NA NA <br /> CW 03/16/99 1450 2224 -774 <50 <0 50 <0 50 <0 50 <0 50 NA NA NA NA NA NA <br /> CW 08/19/99 1450 2222 -772 <50 <0 5 <0 5 <0 5 <0 5 NA NA NA NA NA NA <br /> CW 10/05/99 14 50 2286 -836 <50 <05 <05 <0 5 <0 5 NA NA NA NA NA NA <br /> CW 12/21/99 1450 2343 -893 <50 <0 5 <0 5 <0 5 <0 5 NA NA NA NA NA NA <br /> CW 03/09/00 1450 21 78 -728 <50 <0 5 <0 5 <0 5 <0 5 NA NA NA NA NA NA <br /> CW 06/08/00 1450 2109 -659 <50 <0 5 <0 5 <0 5 <0 5 NA NA NA NA NA NA <br /> CW 09/14/00 1450 2228 -778 <50 <0 5 12 <0 5 09 NA NA NA NA NA NA <br /> CW 11/27/00 14 50 2287 -837 <50 <0 5 08 <0 5 06 NA NA NA NA NA NA <br /> CW 03/01/01 1450 2269 -819 <50 <0 5 <0 5 <0 5 <0 5 <5 0 NA NA NA NA NA <br /> CW 06/11/01 14 50 22 59 -809 <50 <0 5 <0 5 <0 5 <0 5 <2 0* <2 0 <20 <2 0 <2 0 NA <br /> CW 10/12/01 1450 2428 -978 <50 <0 5 <0 5 <0 5 <0 5 <2 5* <2 0 <20 <2 0 <2 0 NA <br /> 5610- 03/03/99 - - - 1,010 <0 500 <0 500 <0 500 <0 500 2 21* <2 00 <100 <2 00 <2 00 NA <br /> SB11- 03/03/99 - 1 - - 212 <0 500 1 <0 500 1 <0 500 1 <0 500 1 <2 00*1 <2 00 1 <100 1 <2 00 <2 00 NA <br /> Notes, <br /> Wellheads surveyed to an arbitrary datum of 14 feet <br /> ugll denotes micrograms per liter or parts per billion <br /> < denotes not detected at or above Stated Method Detection Limit <br /> TPHg denotes Total Petroleum Hydrocarbons as gasoline, analyzed by EPA Method 5030/8015 <br /> MTBE denotes methyl tertiary butyl ether by EPA Method 8020 unless otherwise noted <br /> ETBE denotes ethyl tertiary butyl ether by EPA Method 8260 <br /> TBA denotes tertiary butyl ether by EPA Method 8260 <br /> DIPE denotes di-isopropyl ether by EPA Method 8260 <br /> TAME denotes tertiary amyl methyl ether by EPA Method 8260 <br /> CW denotes Canepa (adjacent property owner)Well located on Farmer property <br /> NA denotes not analyzed <br /> NS denotes not sampled <br /> *denotes MTBE analyzed by EPA Method 8260 <br /> W 5625965TABLESVGwtah2 As <br />