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TABLE 3 <br /> SUMMARY OF HISTORICAL GROUNDWATER GAUGING AND LABORATORY ANALYTICAL DATA <br /> Former Tosco Bulk Terminal No.10013 <br /> 3505 Navy Drive,Stockton,CA <br /> Approidmate <br /> TOC Constructed Depth to Groundwater TPH-D Benzene Tutucne Ethylbcnzerte ToiAl Xylenes 'MTBE (ply LTAL f"7."'T <br /> �"TEA Mei'"I .Ethanol <br /> DIPS L4'cll $levalio To a1 Wcll G oundweter Elevation 1pBn) TPHfi(pf/L) (µFS)-) (F Fn) ( ) (µBn) G&3) (µYS) (N6d) (pF ) <br /> Number Sample Date (feetafiove Depth ... .(feetbelow -(feetabove <br /> .MSL) .(feet below TOC) bLSL) --801 -" EPA Method 8260D <br /> TOC) EPA Mefhod 5M <br /> MW-3 1 11/30/07 .8.76 .. _ 25 11.27 -2.51.. -- -' --' -- -- -- --- --- --- -- -- <br /> MW-3 03/19/08 8.76 25 10.06 -1,30 85 78 ND<0.50 ND<0.50 1,11310.50 ND11.0 0.94 ND<0.50 ND<0.50 ND<0.50 41 ND<10 ND<250 <br /> MW-3 05/21/08 8.76 25 10.66 -1.90 -- --- --- -- -- - -"" -- - -- - -- --- <br /> MW-3 08/28/08 8.76 25 11.02 -226 56 96 -- - -- -- 0.63 -- -- -- -- -- -- <br /> MW-3 11/06/08 8.76 25 1093 -2.17 69 77 -- -- -- -- 0.59 ND<0.50 ND<:50 ND<0.50 19 --- --- <br /> MW-3 02/09/09 8.76 25 1065 -1.89 ND10.50 ND<50 -- -- -- -- ND<0.50 I -- --- -- -- - -- <br /> MW-3 05/07/09 8.76 25 10.27 -1.51 69 ND<50 --- -- --- -- ND<0.50 ND<0.50 ND<0.50 ND<0 50 ND<10 --- --- <br /> MW-3 08/31/09 8.73 25 11.05 -2.32 ND<0.50 77 --- --- --- --- ND<0 50 --- - --- ND<10 --- --- <br /> MW-3 11/12/09 8.73 25 logo -2.17 ND<0.50 ND<50 --- - --- --- ND-0 50 --- --- -- ND<10 --- --- <br /> MW-3 02/03/10 8.73 25 10.21 -1.48 68 ND<50 - -- --- --- ND<0.50 --- -- --- ND<10 --- --- <br /> MW-3 05/06/10 8.73 25 9.90 -1.17 ND<0.50 ND<50 --- -- --- --- ND1050 --- --- --- ND<10 --- --- <br /> MW-3 08/30/10 8.73 25 10.81 -2.08 120 ND<50 - -- - ND<0.50 - -- -- ND<10 - - <br /> MW-3 12/03/10 8.73 25 10.67 -1.94 --- --- --- --- -- --- --- --- - -- --- -- --- <br /> MW-3 02/18/11 8.73 25 10.10 -1.37 <50 <50 -- -- --- --- <0.50 --- - --- <10 -- --- <br /> MW-3 05/11/11 8.73 25 9.63 -0.90 79 <50 -- --- --- -- <0.50 --- -- -- 15 -- --' <br /> MW-3 09/08/11 8.73 25 10.77 -2.04 70 17 -- --- -- --- 0.32 --- -- --- <10 --- <br /> MW-3 12/06/11 8.73 25 10.72 -1.99 110• 100 --- --- --- -- <0.50 --- -- -- <10 --- -- <br /> MW-3 03/06/12 8.73 25 10.57 -1.84 140 110 --- -- --- -- <0.50 --- --- -- <10 --- -- <br /> MWA 02/89 4.51 17 --- -- - ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0.50 -- -- -- --- --- <br /> MW-4 09/18/92 4.51 17 13.40 -8.89 ND<50 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<.50 -- --- --- --- -- --' --- <br /> MW-4 12/11/92 4.51 17 13.30 -8.79 ND<50 67 ND<0.50 ND<0.50 ND<0.50 ND�.50 -- --- -- --- --- --- -" <br /> MW-4 03/01/93 4.51 17 1043 -5.92 ND<50 140 ND<0.50 ND<0.50 ND<0.50 ND<0.50 --- --- -- -- --- --- --- <br /> MW-4 06/04/93 4.51 17 11.21 -6.70 170 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<O50 -- --- - -- '-- --- --- <br /> MW-4 09/28/93 4.51 17 12.81 -8.30 92 56 0.083 ND<0.50 ND<0.50 ND<0.50 -- -- --- --- <br /> MW-4 12/02/93 4.51 17 12.97 -8.46 58 77 2.2 ND<0.50 ND<0.50 ND<O.50 -- --- - --- --- --- <br /> MW-4 03/04/94 4.51 17 11.64 -7.13 ND<50 ND<50 0.86 ND<0.50 ND<0.50 ND<0.50 --- --- --- -- --- --- --- <br /> MW-4 06/03/94 4.51 17 12.22 -7.71 130 ND<50 ND<0.50 ND<0.50 ND10.50 ND<0.50 -- -- - -- -- --- ' <br /> NMA 09/28/94 4.51 17 12.82 -8.31 340 ND<50 0.67 ND<0.50 ND<0.50 ND<0.50 --- --- --- <br /> MW-4 <br /> -MW-4 12/02/94 4 51 17 12.37 -7.86 370 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<0 50 -- -- -- --- --- '- <br /> MW4 03/31/95 4.51 17 9.64 -5.13 420 ND<50 0.59 ND<0.50 ND<0.50 ND<0.50 -- --- --- -- -- -"" -" <br /> MWS 06/02/95 4.51 17 11.13 -6.62 380 ND<50 0.57 ND<0.50 ND<0.50 ND<0.50 -- --- -- --- -- --' -"" <br /> MW-4 11/01/95 4.51 17 13.00 -8.49 270 63 0.92 ND<0.50 ND<0.50 ND<I.0 ND<5.0 -- - -- -- -- --- <br /> MW-4 02/14/96 4.51 17 10.19 -568 810 NDQ50 1.9 ND<l ND<I ND<I ND<10 -- - -- --- - --- <br /> 1,4W-4 05/14/96 4.51 17 10.84 -6.33 690 280 ND<2.5 ND<5 ND<5 ND<5 ND<50 -- - --- - --- - <br /> MW-4 09/10/96 4.51 17 11.36 -6.85 280 NIDQ50 ND<2.5. ND<5.0 ND<5.0 ND<5.0 ND<50 -- - -- -- - -'- <br /> QC-I(c) 09/10/96 4.51 17 - -- --- NDQ50 ND<2.5 ND<5.0 ND<5.0 ND<5.0 ND<50 -- -- -- - - -- <br /> MWA 11/21/96 4.51 17 12.25 -7.74 380 ND<50 ND<0.50 ND<1.0 ND<1,0 ND<1.0 ND<10 -- - - --- -- --- <br /> N11VA 04/16/97 4.51 17 10.11 -5.60 520 320 79 ND<I.0 ND<I.0 ND<I 0 ND<10 --- -- -- --- -- --- <br /> MW-4 08/06/97 4.51 17 1 L64 -7.13 -"" """ --- --- --- --- <br /> MW-4 08/07/97 1 4.51 17 --- --- 360 NDQ50 ND--2 5 ND<5.0 ND<5.0 ND<5.0 ND<50 --- -- --- --- -' --- <br /> Page 9 of 33 .ATC Project No 071 7511 R nRRR <br />