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4 <br /> r PR Not 5ampiad Golf Cour e <br /> Chevron <br /> T' =v 0 Gas 5tatlon <br /> � Tf ; <10 <br /> s cu E - '470 Ik <br /> +' X�v 410 Side++va <br /> o TPH-Gx`9,200 <br /> z o <br /> 8H D-1 <br /> In p <br /> BKIVE ENJAMIN HOLT �f _ <br /> --�Ll <br /> SarnPICA <br /> B >,I - 960 <br /> F- Free P,rodur, T F n - 1,500 I BHD-2 <br /> W a O 37,feet E - 1,000 5ldewalk <br /> LU X =`- 3,200 <br /> 1— <br /> TPH-G-45,000 <br /> -10 <br /> E-9 <br /> �V-3 <br /> p V-2? f �`` ` 1 - 5tory <br /> Not Sam led MW-1 ! Pump 5-1 n Residential <br /> p < <br /> ! Islands 5-2�. Housing Legend <br /> Block V-12 <br /> Wall n —1 E-as Groundwater Monitoring Well <br /> B k - <0 5 O l` 1 Dual Purpose 5od Vapor Extration/ <br /> � fl- c�► ► V-1 � � MW-2® P° p <br /> o <br /> E T <0 54 f Groundwater Monitoring Well <br /> X <0 5 E-12 V-101 1 Not Sampled Y <215` V-10/� Dual Completion 5oil Vapor Extraction/Air <br /> +' Tf H-G<- <50 5-8 5parging Well <br /> u 5-8 FaGlllty Not Sampled E - s11 <br /> 5-9 x v X Y s- <o O <br /> z O 1 13UIIdIng Tr <br /> x;150 f� Recovery Well <br /> E-5 ' <br /> j Not 5'ampledV_4 E-8 V-1 A Soil Vapor Extraction Well <br /> 14 <br /> V-6 <br /> 5-1■ Air 5 ar in Well <br /> Nat sampled MW-2 r-E- ��T��`� O p g g <br /> I l E-31 I Existing Groundwater Extraction System <br /> � UST Complex I 1 <br /> T; �10 I 5 4 /E-4 Not 5am led B Benzene,Micrograms Per Liter(ug/L) <br /> MW-5 —-- — ��� / p T Toluene, ug/L <br /> E Z16 1 — �AV_7 E Ethylbenzene,ug/L <br /> X ' 11 ` lV-9/E-11 r f f fl �� / X Xylene,uglL <br /> TPH-G-2;260 5VET5 15-7 V-11 ————J V-g ' TPH-G Total Petroleum Hydrocarbons as <br /> 5- V-5 / Gasoline,ug/L <br /> Trash Enclosure — E-2 <br /> ' 7Z E-7 <br /> _ _ 5-5 _ O NORTH Approximate Extent of Benzene <br /> Pubic Utilities Easement Block Wall Ti Not Sampled o 20 in Groundwater,ug/L <br /> _ a <br /> 40 <br /> — — - <br /> - w _ ` _ _ _ Kemediation System Piping13 <br /> <4 Scale In Feet <br /> T E - 4 Note <br /> Ir k 6� 5ingfe Story X�<<� - n v1 Wells E-3,E-4,E-5,E-6, E-7, P>z-1, PIS-2,BHD-2, MW-1, MW-2, <br /> TPH-G� 1,100 Condominlum5 TPH-G_»660 PR 2 and MW-3 on a Semi-annual sampling schedule Wells sampled <br /> blot 5a{mpled, 1 during the lot and 3rd quarters of each year <br /> SITE ARCO Facility No. 2133, <br /> 1 - 5to Stockton, California <br /> B <05 TITLE Constituent Concentration Map <br /> ;T -` <O'S£ Re5ldentlaf HouSing 4 MW-3 , <br /> E - <O5 ' December 5, 1995 <br /> X - <0 5 MW-4 Not Sampled PROJECT <br /> TPH-G ,<50 B O W N n N R 2060 Figure <br /> C A L D W E L L "T� 2-1-96 2 <br />