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Table 1 CURRENT GROUNDWATER ELEVATIONS AND SAMPLE ANALYTICAL RESULTS Barnes Trucking 1817 South Fresno Avenue,Stockton,California Well Sampling TOC DTW GWE TOG TPHd TPHg B T E X MTBE 8020 MTBE 8260 Fuel Oxys I D Date (feet) (feet) (feet) ) ( ) ( ( ) (AgN ) (Aga) ( ) (AE!) ) MW-1 3/16/2004 2015 869 1146 --- --- 570 12 6 11 27 --- <0 50 --- MW-2 3/16/2004 1989 784 1205 --- --- <50 <0 50 -5,050 <0 50 <0 50 --- <0 50 MW-3 3/16/2004 2035 872 1163 --- --- <50 <0 50 <0 50 <0 50 <0 50 --- <0 50 --- MW-4 3/16/2004 1980 834 1146 --- --- <50 <0 50 <0 50 <0 50 <0 50 --- <0 50 --- MW-113 3/16/2004 2010 925 1015 --- --- 21,040 2800 820 630 2,000 --- <0 50 --- MW-6 3/16/2004 2010 905 1105 --- --- 1,000 18 24 17 47 --- <0 50 --- MW-7 3/16/2004 2014 967 1047 --- --- 850 13 <0 50 <0 50 1 --- <0 50 --- MW-8 3/16/2004 2057 1048 1009 --- --- 210 24 <0 50 <0 50 <0 50 --- <0 50 --- Notes TOC Top of casing elevation referenced to protect datum (1) BTEX analyzed by EPA method 8260 DTW Depth to water below TOC (2) TOC and GWE value not applicable due to well box damage GWE Groundwater elevation(TOC-DTW) (3) MW-5 damaged BTEX Benzene,toluene,ethylbenzene and total xylenes by EPA Method 8020 (4) Fuel Oxys analyzed by EPA Method 8240 MTBE Methyl tertiary butyl ether by EPA Method 8020 or EPA Method 8260 --- Not analyzed or measured TPHg Total petroleum hydrocarbons as gasoline by EPA method 5030/8015(modified) AgIL Micrograms per liter TPHd Total petroleum hydrocarbons as diesel by EPA method 3510/8015(modified) * Anomalous value TOG Total oil and grease by EPA Method 8015 Fuel Oxys Tertiary butanol,MTBE,Di-isopropyl ether,Ethyl tertiary butyl ether,and Tertiary amylmethyl ether by .EPA Method 8260B or 8240 <### Not detected in concentrations exceeding indicated laboratory reporting littuts(DLR) !,