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la- F74 <br />Alpha 7Analytical Laboratories Inc. 860 Waugh Lane, H-1, Ukiah, California 95482 <br />CHEMICAL EXAMINATION REPORT (707) 468-0401 <br />Advanced Geo Environmental <br />4005 N. Wilson Way <br />Stockton, CA 95205 Date Printed Page <br />Attn: Kevin McKibben 3/05/98 4 <br />Batch Number Receipt Date Client Client P.O. Send Via <br />98-0225-020 02/25/98 10:00 ADVGEO Mail <br />METHOD <br />(Sample 6 SP -1 K & S Gas & Grocery -- continued) <br />Toluene EPA 8020 <br />Ethylbenzene EPA 8020 <br />Xylenes EPA 8020 <br />Methyl Tertiary Butyl Ether EPA 8020 <br />EXTRACTED TEST DATE <br />Sample 7 SP -2 K & S Gas & Grocery <br />Khaldoon Othman <br />Sample Type: Soil Sampled by: Kevin McKibben <br />0302 <br />TPH Gasoline W/BTXE <br />TPH - Gasoline GCFID/5030 <br />Benzene EPA 8020 <br />Toluene EFA 9020 <br />Ethylbenzene EPA 8020 <br />Xylenes EPA 8020 <br />Methyl Tertiary Butyl Ether EPA 9020 <br />RESULT UNITS PGL DILUTION <br />3/04 <br />3/04/98 <br />ND mg/kg .005 <br />3/04 <br />3/04/98 <br />ND mg/kg .005 <br />3/04 <br />3/04/98 <br />ND mg/kg .005 <br />3/02 <br />3/03/98 <br />ND mg/kg 1 <br />Sampled: 2/20/98 11:10 <br />3/02 <br />3/03/98 <br />ND <br />mg/kg <br />1.00 <br />3/C4 <br />3/04/98 <br />ND <br />mg/kg <br />.005 <br />3/04 <br />3%04/98 <br />ND <br />ma/kg <br />.005 <br />3/04 <br />3/04/98 <br />ND <br />mg/kg <br />.005 <br />3/04 <br />3/04/98 <br />ND <br />mg/kg <br />.005 <br />3/02 <br />3/03/98 <br />ND <br />mg/kg <br />1 <br />Sample 8 SP -3 K & S Gas & Grocery <br />Khaldoon Othman <br />Sample Type: Soil Sampled by: Kevin McKibben Sampled: 2/20/98 11:15 <br />The PQL's for Benzene, Toluene, Ethylbenzene are 6x and Xylenes <br />18x higher than usual due to matrix interferences. <br />PQL - Practical Quantitation Limit ND - None Detected <br />- Indicates Detection Limit altered due to Sample Dilution <br />NOTES: <br />Bruce L. Gove <br />Laboratory Director Date Printed: 3/05/98 <br />