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la 29 <br />i� <br />Alpha Analytical Laboratories Inc. 0 860 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 3 <br />Batch Number Receipt Date Client Client P.O. Send via <br />98-0225-020 02/25/98 10:00 ADVGEO Mail <br />METHOD EXTRACTED TEST DATE <br />(Sample 4 P-4 K & S Gas & Grocery -- continued) <br />Xylenes EPA 8020 3/02 3/02/98 <br />Methyl Tertiary Butyl Ether EPA 8020 3/02 3/02/98 <br />RESULT UNITS PQL DILUTION <br />Sample 5 P-5 K & S Gas & Grocery <br />Khaldoon Othman <br />Sample Type: Soil Sampled by: <br />Kevin McKibben <br />Sampled: 2/20/98 <br />10:55 <br />The PQL's for Benzene, Toluene, <br />Ethylbenzene <br />are 120x, <br />Xylenes <br />360x & MTBE 20x higher than usual <br />due to matrix <br />interferences. <br />TPH Gasoline W/BTXE <br />TPH - Gasoline <br />GC7ID/5030 <br />3/02 <br />3/04/98 <br />9600 <br />Benzene <br />EPA 8020 <br />3/02 <br />3/02/98 <br />DID <br />Toluene <br />EPA 8020 <br />3/02 <br />3/02/98 <br />36 <br />Ethylbenzene <br />EPA 8020 <br />3/02 <br />3/02/98 <br />40 <br />Xylenes <br />EPA 8020 <br />3/02 <br />3/04/98 <br />960 <br />Methyl Tertiary Butyl Ether <br />EPA 8020 <br />3/02 <br />3/04/98 <br />ND <br />Sample 6 SP -1 K & S Gas & Grocery <br />Khaldoon Othman <br />Sample Type: Soil Sampled by: Kevin McKibben <br />TPH Gasoline W/BTXE <br />TPH - Gasoline GCFID/5030 3/02 <br />Benzene EPA 8020 3/04 <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 <br />Sampled: 2/20/98 11:05 <br />3/03/98 <br />3/04/98 <br />Date Printed: 3/05/98 <br />0 <br />mg/kg 0.65 <br />ma/kc 20 <br />mg/kg 1.00 <br />mg/kg 0.60 <br />mg/kg 0.60 <br />mg/kc 0.60 <br />mg/kg 1.8 <br />mg/kg 20 <br />mg/kg 1.00 <br />mg/kg .005 <br />