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i <br /> TM <br /> a— f w <br /> Alpha F.Analytical Laboratories Inc 860 Waugh Lane, H 1, Ukiah, California 95482 <br /> - CHEMICAL EXAMINATION REPORT (707) 468 0401 <br /> IAdvanced Geo Environmental <br /> 4005 N Wilson Way <br /> Date Printed Page <br /> Stockton, CA 95205 <br /> 8/27/98 5 <br /> Attn Tim Cuellar <br /> 18:tch Number Receapt Date Client Client P 0 Send Via <br /> 9 -0821-016 08/21/98 10 30 ADVGEO Mail <br /> METHOD EXTRACTED TEST DATE RESULT UNITS PQL DILUTION <br /> (continued from previous page} <br /> Sample B P7-20 Sample collected at 20 feet from <br /> boring P7 - Three B's Truck Plaza <br /> Sample Type Soil Sampled by Tim Cuellar Sampled 6/19/98 12 30 <br /> I The PQL s for Benzene, Toluene 8 Ethylbenzene are 6X higher than <br /> usual due to matrix interferences <br /> TPH Gasoline W/BTXE <br /> H Gasoline <br /> GCFID/5030 8/24 8/24/98 1 4 mg/kg 1 00 <br /> Benzene <br /> EPA 8020 8/24 8/24/98 NO mg/kg 030 <br /> Toluene EPA 8020 8/24 8/24/98 NO mg/kg 030 <br /> Ethylbenzene EPA 8020 8/24 8/24/98 ND mg/kg 030 <br /> Xylenes EPA 8020 8/24 8/24/98 11 mg/kg 005 <br /> Methyl Tertiary Butyl Ether EPA 8020 8/24 8/24/98 NO mg/kg 1 <br /> TPH - Diesel 8015/MOD 8/25 8/25/98 NO mg/kg 1 <br /> Sample 9 P7-25 Sample collected at 25 feet from <br /> boring P7 - Three B's Truck Plaza <br /> Sample Type Soil Sampled by Tim Cuellar Sampled 8/19/98 12 45 <br /> TPH Gasoline W/BTX£ <br /> TPH - Gasoline GCFID/5030 8/24 8/24/98 NO mg/kg 1 00 <br /> Benzene <br /> EPA 8020 8/26 8/26/98 NO mg/kg 005 <br /> Toluene <br /> EPA 8020 8/26 8/26/98 NO mg/kg 005 <br /> Ethylbenzene <br /> EPA B020 8/26 8/26/98 ND mg/kg 005 <br /> PQL - Practical Quantitation Limit ND - None Detected <br /> - Indicates Detection Limit altered due to Sample Dilution <br /> ES <br /> Bruce L Give lk. <br /> Laboratory Director Date Printed 8/27/98 <br />