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s <br /> Table 2 <br /> Hfstorlcal Groundwater 1Nonitoring and Analytical Data <br /> 1 <br /> 7-Eleven Store S74t17 <br /> 2725 Country Club Boulevard <br /> Sbdcbn CA <br /> low <br /> MW-7 <br /> 119 11/05/01 <0 5 <05 <0 5 <05 <50 - <5 <20 <5 <5F <br /> <5 <5 __ 1 0 1020 0 00 -901 <br /> 1 53 01/08/02 -- -- -- -- -- -- -- -- -- — -- — _ -- 09 -- 000 -- <br /> 04/12/02 <05 <05 <0 5 <0 5 <50 <5 24 <5 <05 <05 <05 — - 10 747 000 -594 <br /> 07/09/02 <0 5 <05 <0 5 <05 <50 <5 24 <5 <05 <05 <05 — - _ _ 11 790 000 -637 <br /> 10/16/02 <0 5 <05 <0 5 <05 <50 <5 052 15 <05 <05 <05 — — _ 10 943 000 -790 <br /> 03/17/03 <0 50 <0 50 <0 50 <0 50 1 t0 — 86 <50 <0 50 <0 50 <0 50 — -- 12 767 000 -614 <br /> 05/29/03 <0 50 <0 50 <0 50 <0 50 <50 -- 42 <5 0 <0 50 <0 50 <0 50 -- -- — -- - 14 794 000 -641 <br /> 098 09/18/03 <0 50 <0 50 <0 50 <0 50 160 -- 36 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <5 0 <5 0 23 954 000 -856 <br /> 12/02/03 <0 50 <0 50 <0 50 <0 50 <50 -- 17 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <50 -- 01 909 000 -811 <br /> 03/03/04 <0 50 <0 50 <0 50 <0 50 <50 -- 054 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 — -- d 02 668 000 -570 <br /> 06/09104 -- -- — -- — -- - -- — - — <br /> MW-8 <br /> 1 90 09/18/03 25 130 64 340 3,200 -- 22 <5 0 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <5 0 <8 0 C 08 1061 000 -871 <br /> 12/02/03 22 43 47 13 320 - 079 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <50 -- 00 985 000 -795 <br /> 03/03/04 56 140 59 360 2,500 — 67 140 <0 50 <0 50 <0 50 <0 50 <0 50 -- -- d 03 747 000 -557 <br /> 06/09/04 85 200 63 370 3,500 110 130 <0 50 <0 50 <0 50 <0 50 <0 50 — 02 899 000 -7 09 <br /> EManstion <br /> TPHg=Total petroleum hydrocarbons-as-gasolhe TAME-Tedanyknew ether TOC=Top Of=31ing elevation in feet above mean sea level <br /> MIME c Mclt"rt-butyi ether i 2-DCA-i 2-Ichlomelharm pok=mbmgmms per liter <br /> TBA=Ted-Butanol EDB=1,2-dibrvnwethane mgr!.=milligrams per Iter <br /> RIPE s Dilsop Wyl ether DTW=Depth to water —=Not sampledMot measured <br /> ELBE=Elt"d-Indy!ether SPT=Separate-phrase hydrocarbon thickness <br /> WTE=Water table efevaton <br /> Notes <br /> Historical data prior to 03117/03 sample date provided by Shaw Eat BTEX TPHg and MtBE analyzed using EPA Method 8020/8015 Modified <br /> Samples analyzed using EPA Meted 8280B starting with 03117103 sample date <br /> a-Method Blank Contamination The associated method blank contalna the target analyte at a reportable level <br /> b-Matrix SpikelMatric Spike Duplicate for the analytes Benzene MtBE was affected by the analyte ooncent tions already present In the un-spiked sample <br /> c-The Mated Reportbhg Limit for Acebne has been Inareased due to the presence of an interfering compound <br /> d■Msft SplkeNaertx Spike Duplicate Results for the analyte MtBE were affected by the analyte concenba8ons already present in tho un-,"ad sample <br /> e a Hydrocarbons reported as TPHg do not eMbil e typicall Gasoline chrome phic patiann <br /> 117-Elevenl7-11 Stores1141171Tables114117 04-2Q.Askistodcal Water <br /> Page 6 of 6 <br />