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}F Sequoia $$5 Jarvis Drive <br /> Morgan Hill,CA 95037 <br /> Analytical (408) 776-9600 <br /> } FAX(408) 782-6308 <br /> V <br /> ATC Associates,Inc. Project: SUSD/Corporation Yard Sampled: 2/23/99 to 2/24/99 <br /> 1117 Lone Palm Ave., Suite B Project Number: na Received: 3/1/99 <br /> Modesto,CA 95351 Project Manager: Tom Lutterman Reported: 9/3/99 <br /> � - `mss notal pe`�'"roleum Hy�rocarbonsYas Gasoline anr�'.BTEX'�by:EPA 8015M/8020M/Qualtty Control `�'��'�'"� <br /> "` SequotaxAnalyticalPetaluma :�,; <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> [Analyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Batch: 9030158 Date Prepared: 3/5/99 <br /> Extraction Method: EPA 5030 soils <br /> Blank 9030158-BLKI <br /> Gasoline 3/5/99ND <br /> ug/kg 400 <br /> Benzene ND 1. 2.00 <br /> Toluene . ND 2.00 <br /> Ethylbenzene ND 2.00 <br /> Xylenes(total) _ <br /> _ ND <br /> _ 4.00 <br /> Surrogate: a,a,a-Trifluorotoluene 300 282 --� _�___----- .0 <br /> �— ---�� <br /> Surrogate: 4-Bromofluorobenzene 300 267 g4 94.0 <br /> LCS 9030158-BSI <br /> Benzene 3/5/99 <br /> 174 ug/kg <br /> Toluene I71 " <br /> 'Ethylbenzene 171 " <br /> Ungates(total) _" _ _ _514 <br /> e: <br /> a,a,a-.Trifluorotoluene 300 305 102 <br /> Matrix Strike 9030158-MSI P903097-03 <br /> Benzene 3/5/99 200 ND 192 ug/kg 96.0 <br /> Toluene 200 ND 189 94.5 <br /> Ethylbenzene 200 ND 187 93.5 <br /> Xylenes(total) " 600 ND 568 _ 94.7 <br /> Surrogate: a,a,a-Triuorotoluene 300 329 110 <br /> Matrix S ike Du 9030158-MSD1 P903097-03 <br /> Benzene 3/5/99 200 ND 189 ug/kg 94.5 1.57 <br /> Toluene 200 ND 187 93.5 1.06 <br /> Ethylbenzene 200 ND 186 93.0 0.536 <br /> Xylenes(total) 600 ND 564 94.0 0.742 <br /> Surrogate: a,a,a-Trifluorotoluene 300 � 323 108 <br /> Batch: 9030195 Date Prepared: 3/9/99 Extraction Method: EPA 5030 soils <br /> Blank 9030195-BLKI <br /> Gasoline 3/9/99 ND ug/kg 400 <br /> Benzene ND 2.00 <br /> Toluene ND 2.00 <br /> Ethylbenzene ND 2.00 <br /> Xylenes(total) ND 4.00 <br /> Surrogate: a,a,a-Trifluorotoluene 300 _ 594 198 <br /> Surrogate: 4-Bromofluorobenzene 300 272 90.7 <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions. <br /> i <br /> Page 17 of 28 <br />