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TABLE 5 Page 3 of 5 HISTORICAL GRAB GROUNDWATER ANALYTICAL DATA SHELL STOCKTON TERMINAL 3515 NAVY DRIVE,STOCKTON,CALIFORNIA Sample ID Date Depth TPHd TPHg ,B T E X MTBE TBA DIPE ET,�B/E TAME Ethanol Methanol �g) (P91L) (PRE) (PNE) (P&L) (Ng/L) (Ng/L) (P91L) (P91L) (Ng/L) (WL)L) (P91L) (P91L) (PO) <50 <0.50 <0.50 <0.50 <0.50 <0.50 <50 <2.0 <2.0 <2.0 <500 <1,000 SB-3 3/13/2003 16.40 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <50 <2.0 <2.0 <2.0 <500 <1,000 SB-4 3/14/2003 7.30 <50 <2.0 <2.0 <500 <1,000 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <50 <2.0 SB-5 3/15/2003 7.30 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <50 <2.0 <2.0 <2.0 <500 <1,000 SB-6 3/16/2003 7.20 <0.50 <0.50 1.9 90 3.1 <2.0 <2.0 SB-7 3/17/2003 7.70 130 170 <0.50 <0.50 <500 <1,000 <50 <50 <0.50 <0.50 <0.50 <0.50 <0.50 <50 <2.0 <2.0 <2.0 SB_8 3/18/2003 6.50 <0.50 <0.50 <0.50 <50 <2.0 <2.0 <2.0 <500 <1,000 SB-8(D) 3/19/2003 6.50 <50 <50 <0.50 <0.50.50 <500 <1,000 <50 <50 <0 <0.50 <0.50 <0.50 <0.50 <50 <2.0 <2.0 <2.0 SB-9 3/20/2003 8.20 <0.50 270 <2.0 <2.0 <2.0 <500 <1,000 SB-10 3/21/2003 9.50 <200 910 50 3.3 5.4 16 SB-9 10/26/2004 unk 200 <50 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 6.9 <1.0 <1.0 <5,000 <1,000 200 <50 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 7.4 <1.0 <1.0 SB 9(D) 10/26/2004 unk q,0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 - - SB-10 10/26/2004 unk <50 <50 <1.0 <1.0 <1.0 <1.0 - - <50 <50 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 SB-11 10/26/2004 unk <50 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 1.3 <1.0 <1.0 <5,000 <1,000 SB-12 10/27/2004 unk <50 <1.0 <1.0 <5,000 <1,000 79 59 <1.0 <1.0 <1.0 <1.0 1.4 <1.0 19 SB-13 10/27/2004 unk <1.0 <1.0 <1.0 <1.0 <I.0 <1.0 <1.0 <1.0 <L0 - SB-14 10/27/2004 unk <50 <50 <1.0 <1.0 <5,000 <1,000 94 65 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 21 SB-16 10/27/2004 u <1.0 <1.0 <1.0 <I.0 <I.0 <1.0 <1.0 <1.0 <1.0 - - SB-17 10/27/2004 unk <50 <50 <1.0 <1.0 --- <50 <50 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 SB-18 10/27/2004 unk <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 --- SB-19 10/27/2004 unk <50 <50 V_7 12/4/2007 1.8 <50 a <50 <0.50 <1.0 <1.0 <2.0 <1.0 <2.0 0.53 b <2.0 <10 - - <50 <50 <0.50 <1.0 <1.0 <2.0 <1.0 <10 <2.0 <2.0 <2.0 - - SB-22 3/31/2008 42-46 <1.0 <1.0 <2.0 <1.0 <10 <2.0 <2.0 <2.0 - - SB-22 3/31/2008 60-64 <50 <50 <0.50 <1.0 <1.0 <2.0 3.4 <10 <2.0 <2.0 <2.0 - - SB-22 3/31/2008 82-86 140 <50 1.5 SB_23 3/28/2008 53-56 220 230 <0.50 <1.0 <1.0 <2.0 46 200 52 <2.0 <2.0 - <50 <0.50 <1.0 <1.0 <2.0 <1.0 19 5.0 <2.0 <2.0 SB-23 3/28/2008 73 76 78 <1.0 <1.0 2.9 12 27 <2.0 <2.0 <2.0 - - SB-23 3/28/2008 84-88 96 73 5.0 CM 241729(33)