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TABLE2 <br /> SGIVUvIARY OF HISTORICAL GROUNDWATER GAGGING AND LABORATORY ANALYTICAL DATA <br /> Circle K Store No. 08671 <br /> 8606 Thornton Road, Stockton, California <br /> Approximate T p f <br /> TOC Depth to Groundvater TPH-G Brnieoe Toluene Ethylbeoaene TO (Agy) dxs MTBE (ugil TBA DIPE EI'BE Ethanol <br /> Well Elevation t Constructed S Groundwater Elevation PSH EDC (pP11) EpB (VP>'L) <br /> SemVle Dale Total Well Depth Elevation Niceness (pg�L) (pgILJ (pg'L) (Ng/L) (VgILI, (VB/L) lug/L) (pBR,) (pB/W. (V8/L) lµyL) <br /> Number (fectab0hx (flti losv (fee :shove (feetbel (feet above (feet) <br /> M51) TOC). MSL) TOC) MSL) EPA Method S260B <br /> MW-10 4/142009 14.06 111 33,50 -19,74 0.00 ND<50 ND<0.50 ND<0,so ND<0.50 ND<1.D ND<0.50 ND<0.50 ND<10 Np<0.50 ND<0.50 ND<0.So ND<0.50 ND<25D <br /> MW-10 ]/15/2009 14.06 111 34.95 -20.89 0.00 ND<50 ND<D.50 ND<0,50 ND<050 ND<I.0 NDc0.50 ND<0.50 ND<10 ND<0.50 1%0<0.50 NM<0.50 ND<0,50 ND<250 <br /> MW-10 10/2/2009 14.06 111 36.78 -22.72 700 <br /> MW-10 J2/1010 14.06 111 34.56 -20.50 0.00 _. <br /> MW-10 7/1/2010 14.06 111 32.60 -18.54 0.00 ND<50 ND<0.50 ND<0.50 N <0 <br /> D .50 ND Lr) ND<0.50 ND<0.50 ND<10 ND<0.50 M<0.50 ND<050 ND<O50 NI3<250. <br /> MW-10 II2N2011 14.06 Ill 32.25 -18.19 0.00 Nl)<50 ND<0.50 ND<0.50 Np<0.50 ND<I .0 ND<0.50 ND<O50 ND<1D ND<O50 NIXD,$t ND<O50 N9<0.50 NDQ50 <br /> MW-10 ]IIS/2011 14.06 111 2998 -15.92 0.00 ND<50 ND<0.50 ND<0.50 ND<o.50 ND<1 .0 ND<050 ND<0.50 ND<10 ND70.50 ND<0.50 ND750 I ap .. ..0 ND250 <br /> Notes: TOC - Top of cuing <br /> M51 - Mean sea level. <br /> PSH - Phase separated hydrocarbons. <br /> TPH-G -Total petroleum hydrocarbons as gasoline. <br /> MTBE - Methyl Cert butyl ether <br /> TAME -Ter. amyl methyl ether <br /> TBA -TM butyl alcohol <br /> DIPS - Diierpropyl ether <br /> ETBE - Ethyl reit butyl ether <br /> EDC - Ethylene dichloriderl _-dichlor0edome <br /> EDB - Ethylene dibromide/L2-dibromoelhmhe <br /> pg/L - Micrograms per liter (equivalent to parts per billion [ppb]). <br /> EPA - Environmental Protection Agency <br /> <50 - Compound not detected above specific laboratory method reporting limit <br /> 1 - Laboratory estimated value. <br /> - TPH-G does not exhibit a "gasoline" pattern, TPH-G is entirely due to MTBE. <br /> II <br /> 8671 Historical GW Tabla (3Q 2011) Pap 10 of 10 <br /> ATC Pmjat No. 075:751161701 I <br />