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Table 4 <br />Historical Groundwater Sample TPH-G and BTEX Analytical Results <br />The Earthgrains Company <br />Stockton, California <br />Well Date <br />Concentration (ug/1) <br />TPH-G Benzene Toluene Ethylbenzene Total Xylenes <br />MW -10 03/23/1994 <br />3,800 <br />17 <br />6.6 <br />7.5 <br />6.5 <br />06/07/1994 <br />1,400 <br />43 <br />5.1 <br />8.6 <br />64 : <br />09/08/1994 <br />2,400 <br />9.2 <br />2.1 <br />4.4 <br />1.6 <br />02/12/1996 <br />ND(50) <br />ND(0.3) <br />ND(0.3)' <br />ND(0.3) <br />ND(0.5) <br />05/14/1996 <br />210 <br />1.2 <br />0.73 <br />0.63 <br />1.2 <br />09/17/1996 <br />300 <br />5.5 <br />4.7 <br />2.8 <br />6.0 <br />12/16/1996 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />07/15/1997 <br />240 <br />1.4 <br />ND(<0.5) <br />0.6 <br />ND(0.5)' <br />10/23/1997 <br />130 <br />0.66 <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />01/29/1998 <br />NT <br />ND(5.0) <br />ND(5.0) <br />ND(5.0) <br />ND(5.0) <br />10/28/1998 <br />340 <br />1.0 <br />0.57 <br />1.0 <br />ND(0.5) <br />05/28/1999 <br />160 <br />2.8 <br />0.51 <br />0.7 <br />0.57 <br />08/18/1999 <br />440 <br />15.0 <br />18 <br />22.0 <br />83 <br />11/08/1999 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />03/15/2000 <br />68 <br />2.3 <br />2.2 <br />1.5 <br />6.3 <br />07/02/2000 <br />210 <br />9.1 <br />23 <br />5.4 <br />29 <br />10/19/2000 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) u <br />01118/2001 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) „ <br />04/19/2001 <br />65 <br />ND(0.5) <br />1.5 <br />0.65 <br />9.7 <br />07/18/2001 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) : <br />10/24/2001 <br />120 <br />ND(0.5) <br />11 <br />4.8 <br />23 <br />01/24/2002 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />MW -11 03/23/1994 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) .; <br />0610711994 <br />ND(50) <br />0.52 <br />ND(0.3) <br />0.88 <br />1.9 <br />09/0811994 <br />ND(50) <br />ND(0.3) <br />0.72 <br />0.58 <br />2.4 <br />02/12/1996 <br />ND(50) <br />ND(0.3) <br />ND(0.3) <br />ND(0.3) <br />ND(0-5) <br />05/14/1996 <br />ND(50) <br />ND(0.5) <br />0.66 <br />ND(0.5) <br />ND(0.5) , <br />12/16/1996 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />2.2 <br />1.8 <br />07/15/1997 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) ,; <br />10/2311997 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />05/21/1998 <br />NT <br />ND(1.0) <br />ND(1.0) <br />ND(1.0) <br />ND(1.0) <br />10128/1998 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />05/28/1999 <br />ND(50) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) <br />ND(0.5) j <br />en v/624001 32/1 2 1 3 82 eg/stockton/h i stl a b <br />