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TABLE2 SUMMARY OF HISTORICAL GROUNDWATER GAUGING AND LABORATORY ANALYTICAL DATA Circle K Stare No. 08671 8606 Drornton Road, Stockton, California APpmxvp nate T OC TOC D 0th t0 Groundwater TPH-G Benzene Toluene Hfiylbeozme T9W Xylenes MTBE TAME TBA DIPE ETBE Ethanol C°rutructed S PSH EDC (pP1L) EDB (µyL) Well EI G wdwaler Elevation (µ�L) (p6/L) (µSD) (µPJC) (p&ILl (µPJC) (µg(L) (Pg2) (p6/L) (µg/L) (p4/L) Sample Da °v Total Well Depth feElevation bov Thickness Number (f tabove (�Ibelow . (feel above MSL) (feet TOC) w (feet TOC) MSL) (Coet3 EPA Method 8260E MW-1 7/15/2009 12.59 45 -12.41 33.35 -20.76 0 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<I.0 9,4 ND<0.50 ND<10 ND<O 50 ND<0.50 ND<0,50 ND<0.50 ND<50 MW-1 10//2009 12.59 45 -12.41 35.25 -22.66 0 ENND<50 <50 ND<0.50 ND<0.50 ND<0.50 ND<I.0 14 ND<0.50 ND<10 ND<0.50 ND<0,50 ND<0.50 ND<0,50 NO 250 MW-1 2/2/2010 12.59 45 -12.41 33.18 -20.59 0 <50 ND<0.50 ND<0.50 ND<050 ND<I.0 7.2 ND<0,50 ND<IO ND<0.50 ND<OSO ND<O.50 ND<0.50 ND<250 MW-1 ]11/2010 12.59 45 -1241 31�0 -18.61 0 ND<0.50 NDc0.50 ND<p,50 ND<l.D 25 ND<0.50 ND<IO ND<050 ND<0.50 ND<O.50 ND<O.50 ND<50 MW-1 1/20/2011 12.59 45 -1241 3085 -1826 0 <50 ND<E50 ND<O.50 ND<.50 ND<1.0 3,8 ND<0.50 ND<10 ND<050 ND<O.50 ND<0.50 ND<0.50 Im<50 MW-1 ]/152011 1259 45 -1241 28.6 -16.01 0 <50 ND<D.SD ND<0.50 ND<O SO 36TD<I.0 1 .2 ND<0.50 ND<O ND<0.50 ND<0.50 ND<O$D NDc050 ND<50 11 11 1 MW-2 2/15/1999. 12.40 45 -12,60 27.88 -1548 - _ 3.56 ND ND ND ND ND NO ND ND - ) MW-2 5/14/1999 1240 45 -12.60 2075 -14.35 0.00 1 .6 0,69 ND ND ND ND NO ND ND ND MW-2 8/17/1999 1240 45 - 12.60 30. 14 .17.74 000 3.9 ND ND ND ND NO ND ND ND MW-2 II/Ii 1999 12.40 45 - 12.60 31 .71 -19.31 no 44 ND ND ND 3.7 ND NO ND ND MIi'-'_ ]. ],2000 12.40 45 12.60 2922 -16.82 Dim 2.3 NO ND ND 2.9 ND ND ND ND MW 2 5112000 1240 45 - 12.60 2629 -13.89 0.00 ND ND ND ND ND ND ND ND ND _ - - MW2 7/28/2000 1240 45 - 12.60 3195 -1955 0.00 ND ND ND ND ND ND ND ND ND - -- - MW-2 11/2711000 12.40 45 -12.60 30.08 -17.68 0.00 ND ND ND ND ND ND ND ND lm MW-2 1/31i2001 1240 45 -12.60 28.61 -16.21 000 M) ND ND ND 2.02 ND ND ND ND ND ND ND MW-2 5/26,'2001 1240 45 -12.60 27.94 -15.54 0,00 ND ND ND NO 3:]] ND ND ND NO NO ND ND MW-2 8,'2212001 1 12.40 45 1 -12.60 1 31.54 -19. 14 1 0.00 1 ND<E50 1 ND<0.50 ND :eOM ND<0.50 I ND<2.0 ND<.O N elm ND<.O ND<2.0 ND<3.0 Isl ND<1000 MW-2 11/20/2001 12.40 45 -12.60 3206 -19.66 0.00 ND<O.50 055 ND<0.50 ND<0.50 4.4 NDc10 ND<O ND<I.0 ND<I.O ND<I.O ND<IO N )<500 MW-2 2/12/2002 1240 45 -12.60 29,71 -17.31 0.00 ND<O.50 0.55 ND<0.50 ND<0.50 8.8 NDc2.0 ND<I00 ND<2.0 ND<2.0 ND<.0 ND<.0 ND<500 mW-2 5/60002 12.40 45 -12.60 29. 12 -16.72 0.00 62 0.54 ND<.50 ND<O 50 1.7 30 ND<2.0 ND<IDO ND<2.0 ND<1.0 ND<2.0 NDQ.O ND<500 MtV-2 8(/12002 1240 45 -12.60 33.35 -20.95 0.00 53 ND<0.50 SErna 50 ND<0.50 ND<LO 6.5 ND<2.0 NDcI OD ND<.0 ND112.0 ND<.0 ND<E ND<500 MW-2 11/4,12002 12.40 45 -12.60 35.59 -23. 19 0.00 N13<50 0.6 ND<O50 NT<0.50 ND<LO 9.4 ND<2.0 ND<IDD ND<.0 ND<..0 ND<2.0 ND<.D 1% D<500 MW-2 2/3/2003 12.40 45 -12.60 32.55 -20. 15 0.00 55 ND<050 ND<O50 ND<0.50 7% D<I.0 34 ND7.0 ND<IDD ND<.o ND<.0 ND<2.0 ND<20 ND<500 MW-2 5/14/2003 12.40 45 42,60 30.54 -18. 14 0.00 84 1%l0<0.50 S4D<O50 ND<O50 ND<LO 79 ND<.O ND<l OO ND<.0 ND<.0 ND<2.0 ND<2.0 1% D<500 MW-2 8/13/2003 12.40 45 -1260 35.19 -22.79. 0.00 ND<50 ND<0.50 ND<0.50 ND<0.50 ND<LO 7.7 ND<.0 ND<I00 NG<.o N0<.0 ND<2.0 ND<.0 ND<500 MW-2 11/14/2003 12.40 45 -12.60 37.42 -25.02 0.00 370 0.69 ND<0.50 ND<0.50 ND<LC 41 NDc2.0 ND<100 ND<.0 ND<2.0 M<.0 ND<.0 ND<500 MW-2 2/1 /2004 1210 45 -12.60 34.09 21.69 0.00 340 3. 1 ND<L0 11D<I.0 ND<.0 200 N .O ND<OO 2% D<4.0 ND<4.0 ND<4.0 ND<4.0 NDc1000 SITIN 2 >'1412004M12.40 45 -12:60 33.24 -20.84 0:00 ND<I00 N. MN 841e004 45 -12.60 36. 19 -23.]8 0000 ND<50 ND<050 NDe0,50 ND<.50 ND<LO 13 ND<0.50 ND<5.0 ND<1.0 ND<O e0 ND<0.50 ND<0.50 ND<50 MW2 11/23'2004 45 -1260 36 Ll -23.83 0.00 68. NDN.50 ND<050 ND<0.50 ND<l:o 57 ND<0.50 ND<5.0 N1X1.0 ND<0.50 ND<0.50 ND<0.50 ND<50 MW-2 1/26/2005 45 42.60 33,59 -21. 19 0.00 NDG50 ND<150 ND<0.50 ND<0.50 ND<1.0 110 ND<O.50 ND<5.0 ND<0.50 ND<0.50 ND<0.50 ND<0.50 ND<50 MW-2 4/182005 45 -1260 30.92 -18.52 0.00 ND<50 ND<0.50 ND<0.50 ND<050 NDc1.0 250 1 .1 ND<5.0 ND<OSO ND<0.50 ND<0.50 N0<0.50 [m<50 MW-2 8/23/2005 - -12.60 34,07 -21.67 0.00 68 ND<O.50 ND<0.50 ND<0.50 ND<1.0 63 0.371 ND<10 ND<0.50 ND<.50 ND<0.50 ND<0.50 ND<1000 MW-2 10/14/2005 45 -12:60 35,41 -23.01 0.00 ND<50 ND<O.50 ND<o.50 ND<050 ND<1.0 I8 ND<050 ND<5.0 NDc0.50 ND<0.50 ND<O.50 ND<o.50 ND<50 MW-2 1/18/2006 45 -12.60 32,32 -19.92 0.00 ND<50 ND<0,50 NDc0.50 ND<O5O ND<LO 73 ND<0.50 ND<5.0 ND<I.0 ND<0.50 ND<O.50 ND<0.50 ND<100 MW-2 4/13/2006 45 -12.60 2911 -16.71 0.00 110 ND<0,50 ND<O.50 ND<O.SO ND<LO 95 0.71 ND<10 ND<050 ND<050 ND<0.50 ND<050 IJD<1000 MW-2 7/11/2006 45 42.60 29.72 -17.32 0.00 ND<250 ND<.5 ND<.5 ND<.5 ND<5.0 100 ND<2.5 ND<50 ND<2.5 ND MW-2 10/30/2006 45 -1260 1 32.83 -20.43 1 0.00 ND<50 1%lD<0$D ND<0,5o ND<050 ND<I.o 60 ND<O 50 ND<10 N'D<0,50 ND<050 ND<O.50 ND<O.50 ND<1000 MW-2 2/28/2007 12.40 45 -12.60 30.75 -18.35 0.00 56 ND<O.SO ND<0.50 ND<0.50 ND<1.0 46 ND<0.50 ND<10 N'D<0.50 ND<0 id ND<0.50 N➢<090 ND<1000 MW-2 4/26/200] 12.40 45 -1260 30.05 -1765 0.00 66 ED fi.3 1A 75 29 ND<0.50 ND<10 ND<p.5p ND<E50 ND<0.50 ND<0.50 ND<250 MW-2 819/2007 1240 45 -12.60 33.10 -20]0 0.00 ND<50 ND<0,50 ND<050 ND<O5o ND<0,5p 25 ND<050 NDc10 ND<0.50 ND<0.50 ND<O.SO ND<0.50 ND<250 MW-2 1025/2007 12.40 45 -1260 34.40 -22.00 0.00 ND<50 ND<0.50 ND<0.50 ND<050 ND<0.50 5.7 NDN50 ND<10 ND<O.50 ND<O.50 ND<OSO ND<0.50 ND<250 MW-2 123/2008 1240 45 -12.60 32.42 -20.02 0.00 ND<50 ND<0.50 ND<0.50 ND<050 ND<1 .0 4.9 ND<O'5O ND<10 1D<0.50 ND<O.50 N )<O.5O NO<050 1%flD<250 M71 Hisrwiwl OW Tablc (3p ear 1 ) Pagel of 10. ATC Pmjmt No. 075.75118.2781