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TABLE3 <br /> SUMMARY OF HISTORICAL GROUNDWATER GAUGING AND LABORATORY ANALYTICAL DATA <br /> Former Tosco Bulk Terminal No.10013 <br /> 3505 Navy Drive,Stockton,CA <br /> EL-oji <br /> proximate <br /> nsWcicd Dept}i to Groundw8ter' TPf1-D ,1.pI-I-G -Benzene Toluene Ethylfienzene Total Xylenes lv�- ' �'l�t H Tf'lMG t '' TBA'' )vleihano(:' Bihonol <br /> Well otal Well Groundwater. <br /> Elevetron (p6n) (µB L) <br /> Sample Date-: Depth (fecl belo'4' (feet above i, "r <br /> DIP (µ } <br /> [MW-2 <br /> mber Ef A(v101}lOd .. :• '. �,i �T�; ,�ys ,_1 v / + :� c 'Lu <br /> eet below TOC) I LSL) 3015M r g, <br /> 18 12/22/03 50 10.25 -7.62 180(i) ND<50 ND<0.50 ND<0.50 ND<0 50 ND-0.50 ND<0.50 10 ND�.50 ND<0.50 64 - NU luno <br /> MW-21B 1 02/10/04 1 2.63 1 50 1 6.04 -3.41 1 93(r) I ND<50 0.60(t) 0.95(t) 0.49([.5) 2.0(t) ND<0.50(t) 2.8(t) ND<0.50(t) ND<0.50(t) 7.9(t) ND<50 ND�5.0 <br /> MW-2180520/04 2.63 50 1 6.20 -3.57 1 260 22 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.50 - - -- 17 --- <br /> MW-21B 08/16/04 2.63 50 6.97 -4.34 1 310 21 ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.50 11.0 -- 51 ND<50 ND<5-0 <br /> MW-21B 1129/04 2.63 50 6.49 -3.86 1 220 20(u) ND<0.5 ND<0.5 ND<0.5 ND<0.5 ND<0.50 9.0 ND<0.50 ND<0.50 20 --- --- <br /> 02/17/05 2.63 50 4.01 1.36 57(r) ND<50 ND<0.5 ND<0.5 ND<0.5 ND<1.0 ND<0.50 2.6 ND<0.50 ND<0.50 ND<5.0 ND<500 ND<50 <br /> MW-21B <br /> MW-21B 02/12/05 2.63 50 4.60 -1.97 92 33t ND<0.5 ND<0.5 ND<0.5 ND<1.0 ND<0.50 3.7 ND<0.50 ND<0.50 8 - --- <br /> MW-21 B 1 08/30/05 2.63 50 6.50 -3.87 47 ND<50 ND<0.5 ND<0.5 ND<0.5 ND<1.0 ND<0.50 8.2 NDm.50 ND<0.50 56 ND<500 ND<50 <br /> MW-21B 11/30/05 2.63 50 7.03 -4.40 ND<50 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 9.5 ND<0.50 ND<0.50 54 - <br /> MW-21B 02/02/06 2.63 50 4.40 -1.77 ND<50 ND<50 ND-<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 3.1 ND<0.50 ND<0.50 25 ND<I0,000 ND<100 <br /> MW-21B 05/30/06 2.63 50 4.40 -1.77 ND<50 68 ND<.50 ND<.50 ND<0.50 ND<1.0 ND<0.50 8.2 ND<0.50 ND<0.50 73 - ND<I00 <br /> MW-21H 08/31/06 1 2.63 50 6.06 1 -3.43 ND<50 ND<50 ND<0.50 ND�0.50 ND<0.50 I ND<1.0 ND<0.50 6.5 ND<0.50 ND<0.50 51 ND<10,000 ND<250 <br /> MW-21B 11/16/06 2.63 50 6.38 1 -3.75 210 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 4.1 ND<0.50 ND<0.50 17 -- --- <br /> MW-2IB 0226/07 2.63 50 5.61 1 -2.98 ND<50 ND<50 ND<D.50 ND<0.50 ND<0.50 ND<1.0 ND<0.50 4.4 ND<0.50 ND<0.50 ND<5.0 ND<50 ND<250 <br /> MW-21B 05/29/07 2.63 50 6.20 -3.57 ND<50 ND<50 ND<0.50 ND-c0.50 ND<0.50 ND<1.0 ND<0.50 5.6 ND<0.50 ND<0.50 39 -- --- <br /> MW-21B 0827/07 2.63 50 6.59 -3.96 ND<50 ND<50 ND�*.50 ND<.50 ND<0.50 ND<1.0 ND<0.50 9.9 ND<0.50 ND<0.50 82 ND<I0,000 ND<250 <br /> 71 ND<50 ND<0.50 ND<.50 ND<0.50 I ND<0.50 10.0 ND<0.50 ND<0.50 72 - ND<250 <br /> MW-21H 11/30/07 2.63 50 6.64 -4.01 <br /> ND<0.50 9.0 ND<0.50 ND<0.50 45 ND<250 <br /> MW-21B 03/19/08 2.63 50 5.30 -2.67 ND<50 ND<50 ND<0.50 ND<.50 ND<0.50 ND<1.0 - <br /> MW-218 0521/08 2.63 50 5.87 -3.24 ND<50 ND<50 ND<0.50 ND-40.50 ND<0.50 ND<1.0 <br /> 0.7 8.1 ND<0.50 ND<0.50 62 - --- <br /> MW-21B 08/28/08 2.63 50 6.62 -3.99 ND<50 ND<50 ND<0.50 ND<.50 ND<0.50 ND<1.0 0.7 8.7 ND<0.50 ND<0.50 71 ND<10 ND<250 <br /> MW-21B 11/06/08 2.63 50 6.20 -3.57 ND<50 ND<50 ND-10.50 ND<O.50 ND<0.50 ND<1.0 1.0 9.1 ND<0.50.1 ND<0.50 1 70 -- < <br /> MW-21802/09/09 2.63 50 5.58 -2.95 ND<50 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 1.3 8.2 ND<0.50 ND<0.50 70 ND<I00 ND<250 <br /> MW-216 05/07/09 2.63 50 5.60 -2.97 59 ND<50 ND<0.50 ND<0.50 ND<0.50 I ND<1.0 1.9 9.6 ND<0.50 ND<0.50 63 --- -- <br /> MW-216 1 08/31/09 2.30 50 6.49 1 -4.19 ND<50 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 1.5 8.8 ND<0.50 ND<0.50 68 ND<I00 ND<250 <br /> MW-21B 11/12/09 2.30 50 6.04 -3.74 ND<50 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 1.4 6.4 ND<0.50 ND<0.50 ND<10 - -- <br /> MW-21B 02/03/10 2.30- 50 4.76 -2.46 ND<50 ND<50 ND<0.50. ND<0.50 ND<0.50 ND<1.0 2.0 8.2 ND<0.50 ND<0.50 53 ND<I00 ND<250 <br /> MW-21B 05/06/10 2.30 50 4.90 -2.60 ND<50 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<I.0 3.1 8.0 ND<0.50 ND<0.50 48 ND<100 -- <br /> MW-21B 08/30/10 2.30 50 6.25 -3.95 79 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 2.6 7.7 ND<0.50 ND<0.50 37 ND<I00 ND<250 <br /> MW-21B 12/03/10 2.30 50 5.60 -3.30 410 1 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<1.0 2.3 6.1 ND<0.50 ND<0.50 ND<10 - --- <br /> MW-2IB 02/18/11 2.30 50 4.65 -2.35 120 <50 <0.50 <0.50 <0.50 <1.0 3.2 7.1 <0.50 <0.50 32 <100 <50 <br /> MW-21B 05/11/11 2.30 50 5.50 -3.20 58 <50 <0.50 <0.50 <0.50 <I.0 3.4 5.3 <0.50 <0.50 26 --- -- <br /> MW-21B 09/07/11 2.30 50 1 6.09 -3.79 <50 26 <0.50 <0.50 <0.50 <1.0 3.0 4.6 <0.50 <0.50 <10 <100 Q50 <br /> MW-21B 12/06/11 2.30 50 1 6.17 -3.87 <50 <50 <0.50 <0.50 1 <0.50 <I.0 24 4.1 <0.50 <0.50 <10 - Q50 <br /> MW-21B 03/05/12 2.30 50 1 5.67 -3.37 150 <50 <0.50 <0.50 <0.50 <1.0 1.5 18 <0.50 <0.50 <10 <100 <250 <br /> MW-22C 12/30/03 2.51 71.5 5.88 -3.37 140(r) ND<50 ND<0.50 ' ND<0.50, ND<0.50 1 ND<0.50 ND<0.50 ND<0.50. ND<0.50 ND<10 - ND<I000 <br /> MW-22C 02/10/04 2.51 71.5 4.98 -2.47 73(r) ND<50 0.40(u) 1 ND<0.50 ; 0.99(u) NDm.50 0.23(u) ND<0.50, ND<0.50 ND<.0 ND<50' ND<5.0 <br /> MW-22C 0520/04 2.51 71.5 6.38 -3.87 1 240 20 ND<0.50` ND<0.50 ND<0.50 ND<0.50 ND<0.50 - - -- 10 - --- <br /> MW-22C 08/16/04 2.51 71.5 7.02 -4.51 290 ND<20 ND<0.50 ' ND<0.50 ND<0.50 ND<0.50 ND<0.50 3 ND<0.50 ND<0.50 ND-*.O ND<50 ND<5.0 <br /> MW-22C 1129/04 2.51 71.5 631 -3.80 270 ND<20 ND<0.50 0.6(u) ND<0.50 ND<p.50 ND<0.50 4.0(u) ND-0.50 ND<0.50 ND<5.0 --- -- <br /> MW-22C I I292004dup 2.51 71.5 -- -- 280 ND<20 ND<O 0.6(u) ND<0.50 ND<070 ND<0.50 4 0(u) ND<0.50 ND<0.50 ND<5.0 -- --- <br /> r <br /> _ <br /> Pg.31 of 33 ATC PmjM No 075.75118 0888 <br />