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' Table 6 . Historic Groundwater Sample Analytical Results - BTEX and TPH-G Earthgrams Baking Companies, Inc. 2651 South Airport Way Stockton, California 95206 Sample Date Concentration L ID Benzene Toluene Ethylbenzene Total Xylenes TPH-G ' CPT-1 045' 5/18/1999 ND (0 5) 08 ND (0 5) ND (0 5) ND (50) CPT-1 085' 5/18/1999 ND (0 5) ND (0 5) ND (0 5) ND (0 5) ND (50) CPT-2044' 5/18/1999 ND (0 5) ND (0 5) ND (0 5) ND (0 5) ND (50) CPT-2079' 5/18/1999 066 ND(0 5) 0 51 1 3 100 CPT-3@44' 5/18/1999 ND (0 5) ND (0 5) ND (0 5) ND (0 5) ND (50) CPT-3076' 5/18/1999 ND (0 5) ND (0 5) ND (0 5) 23 *100 CPT-A@70' 6/21/2001 11 12 81 23 2,100 CPT-A1180' 6/21/2001 6 0 052 27 11 220 CPT-A@90' 6/21/2001 3 5 ND(0 5) 1 4 52 56 CPT-A@ 100' 6/21/2001 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) CPT-C§60' 6/22/2004 ND(5 0) ND(5 0) 12 84 8,400 CPT-0070' 6/22/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) CPT-C@90' 6/22/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) CPT-CO100' 6/22/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) CPT-F @ 60' 6/23/2004 17 14 46 29 8,000 CPT-F@90' 6/23/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) ' CPT-F@100' 6/23/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) Cern Well-South 6/24/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) Ceryl Well-North 6/24/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) Notes pg/L- Results reported in micrograms per liter ND- Not detected at or above the laboratory detection limit shown in parentheses NA- Not Analyzed TPH-G- Total Petroleum Hydrocarbons-Gasoline - Laboratory reports not typical of gasoline * Samples collected on 04/26/2002 were from first monitoring event since the installation of new air sparging well SP-A on 03/14/2002 ENV/62400132/121382eg/Investigation and Quarterly Reports/Table 4&6 TPH+BTEX Results(2005_02)XLS/Historic(2)