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Table 6 Historic Groundwater Sample Analytical Results - BTEX and TPH-G Earthgrains 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-1085' 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) 051 13 100 CPT-3044' 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-A070' 6/21/2001 11 12 81 23 2,100 CPT-A080' 6/21/2001 60 052 27 11 220 CPT-A090' 6/21/2001 35 ND(0 5) 1 4 52 56 CPT-A0100' 6/21/2001 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) CPT-0060' 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-0090' 6/22/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) CPT-C0100' 6/22/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) CPT-F060' 6/23/2004 17 14 46 29 8,000 CPT-F090' 6/23/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) CPT-F0100' 6/23/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) Ceryl Well-South 6/24/2004 ND (0 5) ND (0 5) ND (0 5) ND (1 0) ND (50) ' Cerrl 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 1 ENV 1 62400132 1121382eg/Investigation and Quarterly Reports/Table 4&6-TPH+BTEX Results(2005_01)XLS/Historic(2)