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I <br /> i <br /> I <br /> la 2Aa <br /> Alpha Analytical 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 /> 4/28/99 2 <br /> Batch Number Receipt Date Client Client P 0 Send via <br /> 99-0421-020 04/21/99 10 30 ADVGEO Mail <br /> METHOD EXTFACT£D :EST DATE RESULT UNITS PQL DILUTION <br /> (continued from previous page) <br /> Sample 3 B1-20' , Baring #1 a 20 <br /> SEMCO - Langston's Market <br /> Sample Type Scil Sampled by Tory Nikacich Sampled 4/16/99 09 00 <br /> The PQL for Benzene is 6X h-Sher than usual due to matrix <br /> interferences <br /> TPH Gasoline W/BTX£ <br /> Gasoline GC--ID/5030 4/23 4/23/99 220 mg/kg 1 00 <br /> Benzene EPA 8020 4/23 4/23/99 N"D mg/kg 0 30 <br /> Toluene EPA 8020 4/23 4/23/99 79 mg/kg 005 <br /> Ethylbenzene EPA 8020 4/23 4/23/99 1 8 mg/kg 005 <br /> Xylenes EPA 8020 4/23 4/23/99 6 7 mg/kg 005 <br /> Sample 4 B1-25 Boring 01 0 25' <br /> SEMCO - Langston s Market <br /> Sample Type Soil Sampled by Tony Yikac-ch Sampled 4/16/99 09 OB <br /> TFH Gasoline n/BTXE <br /> TPH - Gasoline CCFID/50=0 4/23 4/23/99 ND mg/kg 1 00 <br /> Benzene EPA 8020 4/26 4/26/99 ND mg/kg 005 <br /> Toluene EPA EC20 4/26 4/26/99 ND me/kg 005 <br /> Ethylbenzene EPA 6020 4/26 4/26/99 ND mg/kg 005 <br /> Xylenes EPA 6020 4/26 4/26/99 ND mg/kg 005 <br /> PQL - Practical Quantitation Limit ND - None Detected <br /> • - Indicates Detection Limit altered due to Sample Dilution <br /> S <br /> Bruce L Gove <br /> Laboratory Director Date Printed 4/26/99 <br />