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Attachment B <br /> Historical Groundwater Monitoring Results <br /> Former Tosco Bulk Terminal,3505 Navy Drive,Stockton,California <br /> O Daie nr em - total De mto casing <br /> Gw <br /> WELL 9amplingl TPH-G TPH-0 benzene toluene benzene nylene. MTBE DIPE Er9E TAME ]BA methanol ethanol GW Elevation p) Elevation lb) <br /> 1D Monitoring 1V91L1 (V9/L) (4gIL) (4gIL) (491L1 (Mg/L) (y91L) (VOL) IVa/Ll fy9/L) (µ911.) (V91L) (M9M1) (tee[) (feet msllfeet Comments <br /> MW-9 05/141. 60 ND<50 ND<0.50 N)<l ND<1 NO<1 1,10,10 - - - - _ _ 890 811) <br /> 09/101% ND-50 ND-50 ND<0.50 ND<1.0 ND-1.0 NNU ND<10 - - - - 6.39 _813 <br /> 11211&6 ND<50 ND<100 N(<p.50 ND<1.0 ND<1.0 NNTO ND-10 - - - - _ _ 0.81 -8.04 <br /> 04/16197 NN50 ND<100 NNO.50 ND<10 Nola N00.0 ND<ta - - _ _ ]e] 710 <br /> O8As97 - <br /> 8.83 4.W <br /> 06ro7197 NOQ50 ND-10 3.3 ND<5.0 NO<5.0 Idl<5.0 ND<5p <br /> 0123/08 al <e) NoaW NDaOSO ND<1.o ND<1.0 N 1.0 NDg9 _ _ _ _ _ _ 8.38 5.81 <br /> 07/1050 NNSO NO<100 ND<0.50 ND<1.0 ND-1.0 NO<1.0 ND<10 _ _ _ _ _ _ B97 620 <br /> 0911750 NN5D ND<100 ND<0.50 ND<1.0 NNI.a ND<10 13 - _ _ _ _ 619 -7.42 <br /> t 2130199 _ _ _ 6.53 -].]B <br /> 01/18/eH ND<Sa NO<50 NDq.O NO<1.0 ND<1.() 11 12 - - _ _ _ ].51 4.]4 <br /> 066059 - _ _ _ _ _ _ _ _ 4.53 <br /> 002]59 _ _ _ _ _ _ _ 8.413 8.30 6.06 <br /> 53 <br /> 112359 - _ _ _ _ _ _ _ _ _ - <br /> 8.98 621 <br /> 02/1&W PINED ND<390 NNOSO NNO.50 ND<0.50 ND<0,50 5.4 - - - _ _ 6.45 5.88 <br /> 042H/a0 _ _ _ _ 8.39 5.82 <br /> 0825/00 59 ND-17ND<0.50 NNO.50 ND<0.50 ND<0.50 140 - - - - _ 9.02 6.25 <br /> 11/1550 <br /> 9.09 6.12 <br /> 01/17/pt 150 ND<50 Np<0.50 NO<0.50 NNO.50 ND<0.50 2R _ _ _ _ 0.9 4.80 <br /> 8.51 -].]4 <br /> 06/1551 - - _ _ _ _ 6.62 -].05 not s..10" <br /> o9N4ro1 - _ _ - <br /> 9.13 4.36 not samned <br /> 11/1151 - _ _ 8.51 d.]4 na1 sanded <br /> 022152 Np<50 ND<50 ND<450 ND<0.50 ND<0.5a ND<0,50 29(I ND<0.50 NNO.50 NNO.50 5.2 ND<50 ND<5.0 7.63 -0.88 osheeNnO odor <br /> OS!¢/02 am 8.05 -2.15 n <br /> 0821ro2 _ 9.02 3.97 <br /> 1111452 - _ _ _ BJB -273 <br /> 0220/03 Nlo 5" 130 0) ND A ND<0.8 Nl)OA NO Oa 320 ND<0.8 ND<0.8 1.1 33 NDaf0o0 ND<170 7.81 -1]8 <br /> _ _ _ - - - - - 8.38 3.33 <br /> I2rzvW nWOOWI"3 8.10 4.05 <br /> _ _ _ _ _ _ _ _ <br /> e.]5 2J0 <br /> 02/10/04 Npe50 ]0(rf a.30(u) O.R(u) 0.32(u) 12 18.0 NDe1.0 ND<0.50 NNO.50 140 ND<50 ND<5.0 ].85 -1.00 <br /> asrsaroa 6.58 3.53 <br /> 9.38 4.31 <br /> BAA 385 <br /> 0211]55 ND40 NN50 NO<0.50 ND<p.50 ND<0.50 ND<1.0 4.1 - - ND<0.50 ND<5.0 - 1IA2 6,3] <br /> a5nv05 _ _ _ _ - <br /> _ _ _ _ _ _ _ 7.59 -1.54006aros _ _ _ _ _ _ _ _ _ 6.95 <br /> 1113WD5 - _ _ -290 9.40 4,43 <br /> 021OVW NN50 1,10<50 N3aOaO ND<0.50 ND<0.50 ND<1.0 4.D - - ND<0.50 25 _ ].11 -106 <br /> OSWOS <br /> 0861/OB _ _ _ _ _ _ _ _ _ 7.14 -1.09 <br /> 11/1W08 _ _ _ _ _ _ _ 8.40 3.35 <br /> 8.64 .2.59 <br /> 0226/07 ND<SO ND<50 1,10<0.50 ND<o.50 NDA.50 ND<1.0 NNO.50 - - ND<p.50 270 - 814 309 <br /> 0529/0] _ _ _ _ <br /> 002]ro] _ _ _ _ _ _ _ 066 8.61 <br /> 9.25 4.20 <br /> 1160ro] _ _ _ _ _ 8.9S -2.91 <br /> 03/19/08 NN50 ND<50 NO<O5o 1,1Da0.50 ND<D,50 1 D 1.0 1.1 NOq.O 1`1D0.50 ND-O.SD 150 ND-W ND<5.0 7.05 -1,80 <br /> 0521108 _ _ _ _ <br /> 0828N6 _ _ _ _ _ _ _ _ _ _ _ _ _ 0.18 -2.41 <br /> - - - _ - - - - 8.83 -27e <br /> _ 6.92 -z87 <br /> 02/09/09 No-" NN50 NNO.50 Nl)0OSO ND<0.50 ND<1.0 140<0.50 - _ NNOSO 220 ND<1W ND-250 Bos 3,00 <br /> OLU]ro9 - - _ _ _ _ _ _ <br /> 0W159 _ _ _ 8.05 200 <br /> 8.80 B.W 8J3 <br /> 1112,09 _ _ _ _ _ _ BAO 3.11 <br /> 0253/10 ND<SD 1,1D<50 12 _ _ ND<0.50 ND<10 ND<1D0 N0290 7.52 -1.0 <br /> osmio ].BO -1A <br /> ae6ato - <br /> S70 g 5.3 <br /> twonemlTib•1Te,mm•b rd eu4 M¢baov s1«M•n1TaEAa�2m11Tm1¢t ro s raroP 6 c tote e. <br /> PeBb 11 of 18 <br />