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3 <br /> I <br /> Table 2 <br /> Groundwater Elevation and Analytical Data(ARCO) <br /> ARCO Service Station#2133 I <br /> 2908 West Benjamin Holt Drive I <br /> Stockton California f <br /> Well- �,,,Depth W Groundwater � f � � 1Ethyl-, -s-Total <br /> �� �� <br /> , ",`� Y <br /> Well` Date "Elevation to Water- -,'Elevations` _„TI Hg" _Benzene"Toluene benzene -Xylenes °`MtBE DO <br /> to _ bamplea ' Notes (tt,MbL) -(tt,TOG) (ft;MhU, - t1�91L) _ ' (ug��l oll en _ JpgIL) _ z (NgIL)- (ug/L) ``t(mglL) <br /> MW-5 06121100 P 696 -592 <50 <4'5 <0 5 <0 5 <0 5 <2 5 02 <br /> (cont) 09/13/00 P 868 -764 <50 <1015 <0 5 <0 5 <05 <2 5 241 <br /> 12115/04 P 816 -712 <50 0 <0 500 <0 500 -0600 <0 500 <2 50 083 <br /> 03/02/01 P 610 -506 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 35 <br /> 05/10/01 P 619 -515 <50 0 <0 500 <0 500 <0 500 <0 500 <2 50 30 <br /> 08/22/01 P 888 -784 <50 <0 11 50 <0 50 <0 50 058 <2 5 — <br /> 12/05/01 c P 807 -703 82 0 67 <0 50 <0 50 057 <2 5 079 <br /> 03/12/02 P 631 -527 <50 a0 50 <0,5o <0 50 <0 50 <2 5 098 <br /> 06106!02 P 724 -620 <50 < <br /> Ip 50 <0 50 <0 50 <0 50 68 062 <br /> 09/24/02 P 902 -798 <50 075 <0 50 <0 50 <0 50 <2 5 042 <br /> 12/17/02 P 744 -640 <60 <0 50 <0 50 <0 50 <0 50 <2 0 — <br /> 03l18103 P 723 -619 <50 <0 50 <0 50 <0 50 <0 50 <2 5 1 58 <br /> 06/17/03 P 745 -641 <50 110 50 <0 50 <0 50 <0 50 <2 5 000 <br /> 09/24/43 a,P 919 -815 <25,000 <250 380 <250 <250 <250 031 <br /> 12/18/03 858 -754 — <br /> 03/16/04 P 645 -541 <50 0150 <0 50 <0 50 <0 50 <0 50 -- <br /> 06/22/04 844 -740 — -- — — _ <br /> 09/21/04 945 -841 <br /> 12/28/04 815 -711 — L — — -- — <br /> 03/07/05 526 -422 <50 <0 50 .0150 <0 50 <0 50 <0 50 34 <br /> 06!30105 746 -642 — I — — — — — <br /> i � <br /> 09/22/05 887 -783 — — — — <br /> 11/18/05 939 -835 - <br /> 03/20l06 507 -403 <50 <01150 <0 50 <0 50 <0 50 <0 50 436 <br /> 06119106 199 617 -418 — — <br /> Explanation II k <br /> ft=Feet TPI-Ig=Total petroleum hydrocarbons as gasoline <br /> MSL=Mean sea level MtBE=Methyl tertiary butyl ether <br /> TOC=Top of casing DO=Dissolved oxygen <br /> pg1L=Micrograms per liter PIMP=PurgedlNot purged <br /> <=Not detected at or above the laboratory method detection limit mg/L=Milligrams per liter <br /> —=Not measured or analyzed(In case of product thickness none found) <br /> Notes <br /> a=Sample was analyzed using EPA Method 8260 F <br /> d � <br /> b=Laboratory reports that this sample may be biased high due to carryover from the previous sample <br /> c=Hydrocarbon pattern is present in the requested fuel quantitation range but does not resemble the pattern of the requested fuel <br /> d=Chromatogram Pattern Gasoline C6-C10 �f 4 <br /> e=Groundwater elevation corrected by adding 0 75 X product thickness f <br /> ' t <br /> 213 Wes 2 8 4 8 5 PagifF41 4 ECOR <br /> v <br /> 1 � <br />