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Q. <br /> Sa lTable 3 <br /> -Pump Island Excavation Analytical Results a `� <br /> Former Carando Machine Works __ �-✓O <br /> Stockton,California ani <br /> Depth <br /> Sample Number Location (feet) Date TPH- TPH- TPH-mo MTBE Benzene Toluene Ethylbenzene Xylenes <br /> CPT-PI-A4 Test Pit-A preliminary 4 6/25/2004 1,000 1,300 NA <0.0050 in <0.0050 <0.0050 1,200 3,700 <br /> investigation sample <br /> CPT-PI-A7 Test Pit-A preliminary 7 6/25/2004 1,900 1,100 NA <0.0050 in <0.0050 <0.0050 7,400 18,500 <br /> investigation sample <br /> CPT-PI-A10 Test Pit-A preliminary 10 6/25/2004 2,000 670 NA <0.0050 in <0.0050 <0.0050 12,000' 135,000 <br /> investigation sample <br /> CPT-PI-134 Test Pit-B preliminary 4 6/25/2004 550 580 NA <0.0050 m <0.0050 <0.0050 520 1730 <br /> investigation sample <br /> CPT-PI-B10 Test Pit-13 preliminary, 10 6/25/2004 1 6 NA <0.0050m <0.0050 <0.0050 <0.0050 <0.0050 <br /> investigation sample <br /> CPT-EXC-W 8 west sidewall 8 7/l/2004 <1.1 <0.99 <5.0' <0.022 <0.0054 <0.0054 <0.0054 <0.0054' <br /> confirmation sam le <br /> CPT-EXC-BT 12 bottom 12' 7/l/2004 <0.98 <0.99 <5.0. <0.020 <0.00 <0.0049 <0.0049 <0.0049 <br /> confirmation sam le <br /> CPT-EXC-S 10 south sidewall 10 7/l/2004 <1.1 <1.0 <5.0 <0.022 <0.0056 <0.0056 <0.0056 <0.0056 <br /> confirmation sample <br /> CPT-EXC-BT19 bottom 19 7/1/2004: 2,300 HY. 700 LY 30 <1.0 <0.25 T <0.25 23 76 <br /> confirmation samiile <br /> CPT-EXC-N15 north sidewall 15 7/1/2004 <5.1 27 LY <5.0 <0.022 <0.0055 0.023 0.24 0.61 <br /> confirmation sample <br /> Notes <br /> -Not analyzed <br /> All results in milligrams per kilogram(mg/kg); 1 <br /> m=The concentration of MTBE is estimated because the continuing calibration verification failed low for the analyte. <br /> nd Hydrocarbon reported does not match the pattern of the laboratory's diesel standard. <br /> g=Hydrocarbon reported in the gasoline range does not match the laboratory's gasoline standard. <br /> TPH-g=total petroleum hydrocarbons quantified in the gasoliYe range <br /> TPH-d total petroleum hydrocarbons quantified in the diesel range <br /> TPH-mo=total petroleum hydrocarbons quantified as motor oil <br /> MTBE=methyl tertiary butyl ether <br /> L:Y Lighter hydrocarbons contributed to the quantitation;Sample exhibits chromatographic pattern which does not resemble a standard <br /> HYD Heavier hydrocarbons contributed to the quantitation;Sample exhibits chromatographic pattern which does not resemble a standard <br /> NAS=Nottaapplicable <br /> !Grey Sample was excavated during subsequent excavations. <br /> 25971024-tables Page 1 of l June 2005 <br />