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ar a■r r4r M 06 ■r r M MMM M <br /> ir M <br /> Table 9 <br /> Groundwater Analytical Data <br /> Parkinson's Arco <br /> 3250 West Hammer Lane <br /> Stockton,California <br /> Top of <br /> Casing Depth to Groundwater TPH as Ethyl- <br /> Sample Date Elevation Water Elevation Gasoline Benzene Toluene benzene Xylenes ME D1PE ETBE TAME TBA 1,2 DCA <br /> Identification Sampled MSL feet b s MSL (ug/1) u !l u 0 (U911) u ll (ug/1) (ug/1) u A u ll (ug/1) EDB u A u lI <br /> MW-5 07129/02 513111 1361 -848 <50 <03 0 9 <0 3 12 18,000 <25 <25 150 5,700 <br /> 10107/02 1440 -927 <50 <0 30 042 <0 30 <0 60 29,000 <250 <250 <250 5,600 <br /> 01102103 1387 -874 <50 <0 30 038 <0 30 <0 60 41,000 <5 0 <50 230 12,000 <br /> 04103/03 1361 -848 <50 <0 50 <0 50 <0 50 <10 29,000 <50 <50 370 540 <br /> 07121/03 1425 -912 <50 <0 50 <0 50 <0 50 <10 10,000 <5 0 <50 <5 0 41,000 <br /> 10113103 1502 -989 <50 <0 50 <0 50 <0 50 <10 8,800 <100 <100 <100 <1000 <100 <100 <br /> 01/12/04 1431 -918 <50 <0 50 <0 50 <0 50 <10 1,300 <0 50 <0 50 15 19,000 <0 50 <0 50 <br /> 06/22/04 1410 -897 64 121 <0 50 098 <0 50 <10 36 <10 <10 <10 4,900 <10 <10 <br /> 08112104 14 60 947 54P1 081 094 <0 50 <10 14 <0 50 <0 50 <0 50 180 <0 50 <0 50 <br /> ugr! Micrograms per liter DIPS Di rsopropyt ether ETRE Ethyl tart butyl ether <br /> MSL Mean sea level TPN Total petroleum hydrocarbons TAME Tort amyl methyl ether <br /> bgs Below ground surface WE Methyltert butt'!ether TBA Tort butyl alcohol <br /> EDB 1,2 Dibromoefhane 12 DCA 12 Dichloromethane <br /> l'1 Well casing elevabons surveyed by Morrow Surveying on 7!2/02 Pl Sample contained compounds In the gasoline range but the chromatogram pattern was not consistent wdh the expected pattern <br /> �d <br /> Shaw Environmental Inc <br /> NVrancfpi\ProjectclProjects1880104011A1010713Q04 8/30/2004 <br />