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Alpha Analytical Laboratories Inc. 860 Waugh Lane, H-1, Ukiah, California 95482 <br /> CHEMICAL EXAMINATION REPORT (707) 468-0401 <br /> Advanced Geo Environmental <br /> s 4005 N. Wilson Way <br /> Stockton, CA 95205 Date Printed Page <br /> Attn: Kevin McKibben 2/24/98 2 <br /> Batch Number Receipt Date Client Client P.O. Send Via <br /> 98-0217-005 02/17/98 09:40 ADVGEO Mail <br /> s <br /> METHOD EXTRACTED TEST DATE RESULT UNITS PQL DILUTION <br /> (continued from previous page) <br /> Sample 3 TI-S Eastern UST, South End 14' <br /> Khaldoon Othman, K & S Gas & Grocery <br /> Sample Type: Soil Sampled by: Kevin McKibben Sampled: 2/13/98 18-04 <br /> The PQL's for Benzene, Toluene, & Ethylbenzene are 120x, Xylenes <br /> 360x, and MTBE Sx higher than usual due to matrix interferences. <br /> r <br /> TPH Gasoline W/BTXE <br /> TPH - Gasoline GCFID/5030 2/19 2/19/98 1400 mg/kg 1.00 <br /> Benzene EPA 8020 2/19 2/19/98 ND ma/kg 0.60 <br /> Toluene EPA 8020 2/19 2/19/98 ND mg/kg 0.60 <br /> Ethylbenzene EPA 8020 2/19 2/19/98 24 mg/kg 0.60 <br /> Xylenes EPA 8020 2/19 2/19/98 230 mg/kg 1.8 <br /> s <br /> Methyl Tertiary Butyl Ether EPA 8020 2/19 2/19/98 ND mg/kg 5.0 <br /> Lead 6010 2/23/98 20 mg/kg 5 <br /> Sample 4 T2-N Western UST, North End 13' <br /> Khaldoon Othman, K & S Gas & Grocery <br /> Sample Type: Soil Sampled by: Kevin McKibben Sampled: 2/13/98 17:58 <br /> TPH Gasoline W/BTXE <br /> TPH - Gasoline GCFID/5030 2/19 2/19/98 ND mg/kg 1.00 <br /> Benzene EPA 8020 2/20 2/20/98 ND mg/kg .005 <br /> Toluene EPA 8020 2/20 2/20/98 ND mg/kg .005 <br /> Ethylbenzene EPA 8020 2/20 2/20/98 ND mg/kg .005 <br /> i <br /> PQL - Practical Quantitation Limit ND - None Detected <br /> • Indicates Detection Limit altered due to Sample Dilution <br /> NOTES: <br /> r, Bruce L. Gove /Laboratory Director Director Date Printed: 2/24/98 <br />