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/ <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 /> 1803 W March Ln, #A <br /> Stockton, CA 95207 Date Printed Page <br /> Attn T Cuellar/K McKibben 12/30/96 1 <br /> Batch Number Receipt Date Client client P 0 Send Via <br /> 96-0806-006 08/06/96 09 30 ADVGEO Mail <br /> METHOD EXTRACTED TEST DATE RESULT UNITS PQL DILUTION <br />' Batch 96-0806-006 consisted of 13 Samples and 78 Tests <br /> Sample I P1-20 Art/Artists <br /> Sample Type Soil Sampled by Tim Cuellar Sampled 7/31/96 10 13 <br /> The PQL's for BTXE are 100 times higher and for MTBE 40 <br /> times higher than usual due to matrix interferences <br /> TPH Gasoline W/BTXE <br /> TPH Gasoline GCFID/5030 8/06 8/06/96 2700 ug/9 1 00 <br /> Benzene EPA 8020 8/06 8/06/96 ND ug/g 0 50 <br /> 10oluene EPA 8020 8/06 8/06/96 ND ug/9 0 50 <br /> thylbenzene EPA 8020 8/06 8/06/96 94 ug/g 0 50 <br /> xylenes EPA 8020 8/06 8/06/96 45 ug/9 0 50 <br /> 1 Methyl Tertiary Butyl Ether EPA 8020 8/06 8/06/96 Na ug/9 4 0 <br /> Sample 2 P1-25 Art/Artists <br />' Sample Type- Soil Sampled by Tim Cuellar Sampled 7/31/96 10 27 <br /> The POL's for BTXE and MTBE are 40 times higher <br /> than usual due to matrix interferences <br /> TPH Gasoline W/BTXE <br /> TPH - Gasoline GCFID/5030 8/06 8/06/96 2700 ug/g 1 00 <br /> Benzene EPA 8020 8/06 8/06/96 ND ug/9 0 20 <br /> Toluene EPA 8020 8/06 8/06/96 NO ug/g 0 20 <br /> Ethylbenzene EPA 8020 8/06 8/06/96 1 8 ug/9 0 20 <br /> Xylenes EPA 8020 8/06 8/06/96 60 ug/9 0 20 <br /> Methyl Tertiary Butyl Ether EPA 8020 8/06 8/06/96 ND ug/g 4 0 <br /> PQL Practical Quantitation Limit ND - None Detected <br /> * Indicates Detection Limit altered due to Sample Dilution <br /> OTES This represents a corrected copy of the original report <br />' Bruce L Gove it <br /> Laboratory Director Date Printed 12/30/96 <br />