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t <br /> SUMMARY OF GROUND-WATER MONITORING DATA <br /> Fourth Quarter 1992 <br /> ARCO Service Station#2168 <br /> 441 Charter way,Stockton <br /> (micrograms per liter(µg11),unless noted <br /> i <br /> Floating <br /> Well 1D Depth to Product Total 1,2- 1,2- <br /> and Sample Sampling Water Thickness Ethyl- Total TPH as Oil& Hydrocarbons, Dlchloro- Dlchloro- Total Fecal <br /> D th Date fest feet Benzene Toluene benzene Xylenes Gasoline Grease Gravimehic ethane propane Coliform' Collform• <br /> MW-1 (54) 12!17/92 42 79 3,500 410 400 800 14 000 16 1 1 <br /> MW-2(53) 12/17/92 4318 -- 2,500 1,500 190 880 13,000 NO NO 14 5 7 <br /> MW-3(53) 12/17/92 4169 12 000 5 500 2 100 7200 67 000 -- 63 NO <20 <2 0 <br /> I <br /> TPH.Total petroleum hydrocarbons <br /> NO.Not detected <br /> 4-Reported in most pnobable number p2r 100 milliliters of water <br /> OG71-038 01 <br />