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Alpha Analytical Laboratories Inc. . 860 Waugh Lane, H-1, Ukiah, California 95482 <br /> CHEMICAL EXAMINATION REPORT (707) 468-0401 <br />' Geological Audit Services <br /> 1803 W March Ln, #A <br /> Stockton, CA 95207 Date Printed Page <br /> Attn: Vic Cherven 8/31/93 2 <br />'Batch Number Receipt Date Client Client P.0- Send Via <br /> 93-0820-010 08/19/93 16:15 GEOAUD Mail <br /> METHOD EXTRACTED TEST DATE RESULT UNITS MDL DILUTION <br /> (continued from previous page) <br />'Sample 3 . RW1-25 Remedial Welt ill <br /> Art & Artists <br /> Sample Type: Soil Sampled by: V. Cherven Sampled: 8/18/93 12:35 <br />' BTXE-These detection limits are 10 times higher <br /> than usual due to matrix interferences. <br /> TPH Gasoline W/BTXE <br /> MH - Gasoline GCFID/5030 8/20 8/26/93 1900 ug/g 1 <br /> Benzene EPA 8020 8/20 8/20/93 ND ug/g .05 <br /> ' Toluene EPA 8020 8/20 8/20/93 20 ug/g .05 <br /> Ethylbenzene EPA 8020 8/20 8/20/93 25 ug/9 .05 <br /> Xylenes EPA 8020 8/20 8/20/93 140 ug/g .05 <br /> iSample 4 RW1-30 Remedial Well #1 <br /> Art & Artists <br /> ' Sample Type: Soil Sampled by: V. Cherven Sampled: 8/18/93 12:50 <br /> BTXE-These detection limits are 10 times higher <br /> than usual due to matrix interferences. <br /> ' TPH Gasoline W/BTXE ' <br /> TPH - Gasoline GCFID/5030 8/20 8/26/93 1500 ug/g 1 <br /> Benzene EPA 8020 8/20 8/20/93 ND ug/g .05 <br /> ' Toluene EPA 8020 8/20 8/20/93 20 ug/g .05 <br /> Ethylbenzene EPA 8020 8/20 8/20/93 19 ug/g .05 <br /> MDL - Minimum Detection Limit ND - None Detected <br /> '* Indicates Detection Limit altered due to Sample Dilution <br /> Bruce L. Gove <br />' Laboratory Director Date Printed: 8/31/93 <br />