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T 1 <br /> GROUNDWATER ELEVATIONS AND SAMPLE ANALYTICAL RESULTS <br /> Barnes Trucking Facility <br /> 1817 South Fresno Avenue,Stockton,California <br /> Well Sampling TOC DTW GWE TOG TPHd TPHg B T E X MTBE 8020 MTBE S260 Fuel Oxys <br /> I D Date (feet) (feet) (feet) (pts) (Fid) (lag(L) (pg/L)�laY �– - (40 (wg/L) (µg/L) (40 (ug/L) <br /> MW-8 cont 10/11/01 2057 1208 849 --- --- 230 5 9 <0 50 <0 50 <0 50 --- <0 50 --- <br /> 2/14102 2057 1054 1003 --- --- 370 10 <0 50 <0 50 <0 50 --- <0 50 --- <br /> 5l10102 2057 1103 954 --- --- 320 7 10 <0 50 <0 50 <1 --- <5 0 --- <br /> 9/30/02 2057 1208 849 --- --- 280 3 5 <0 50 <0 50 05 --- <0 50 --- <br /> 12/4/02 2057 1204 853 — — 300 49 <0 50 <0 50 <0 50 — <0 50 --- <br /> Notes <br /> TOC Top of casing elevation referenced to project datum (1) BTEX analyzed by EPA method 8260 <br /> DTW Depth to water below TOC (2) TOC and GWE value not applicable due to well box damage <br /> GWE Groundwater elevation(TOC-DTW) (3) MW-5 damaged <br /> BTEX Benzene,toluene,ethylbenzene and total xylenes by EPA Method 8020 (4) Fuel Oxys analyzed by GCIMS EPA Method 8240 <br /> MTBE Methyl tert-butyl ether by EPA Method 8020 or EPA Method 8260 --- Not analyzed or measured <br /> TPHg Total petroleum hydrocarbons as gasoline by EPA method 5030/8015(modified) µglL Micrograms per liter <br /> TPHd Total petroleum hydrocarbons as diesel by EPA method 3510/8015(modified) <br /> TOG Total oil and grease by EPA Method 8015 <br /> Fuel Oxys tent-Butanol,MTBE,Di-isopropyl ether,Ethyl-tert-butyl ether,and tert-Amylmcthyl ether by GC/MS EPA Method 8260B or 8240 <br /> Page 5 of 5 <br /> 1 <br />