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Sequoia U885 Jarvis Drive <br /> 4 Morgan Hill,CA 95037 <br /> Analytical FAX(408) 782-6308 <br /> X <br /> i <br /> ATC Associates,Inc. Project: SUSD/Corporation Yard Sampled: 2/23199 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 /> �� �� , a BTEX by 8020M7Qualtt Control - ��a "� �� �.�"�'�"` `• �"' �. <br /> y <br /> Y P <br /> w°�, Y-_ SegaotaAAnal�ttcalPetalu>�a .>� ; <br /> Date Spike Sample QC. Reporting Limit Recov. RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Matrix Spike Du continued 9020581-MSDI P902494-01 _ <br /> Surrogate: a,a,a-Truorotoluene —2126199 '-- <br /> 30000 33300 ug/kg 111 <br /> Batch: 9030158 Date Prepared: 3/5/99 Extraction Method: EPA 5030 soils <br /> Blank 9030158-BLK1 <br /> Methyl tert-butyl ether 3/5/99 ND ug/kg 10.0 <br /> Benzene „ <br /> ND 2.00 <br /> Toluene ND 2.00 <br /> Ethylbenzene ND 2.00 i <br /> Xylenes(total) _ _-_- ND ” 4.00 <br /> Surrogate:-a,a,a=Tr�&orotoluene 300 �� ---- 282 -- — ---- -� 94.0 ----� <br /> Blank 9030158-BLK2 <br /> Methyl ten-butyl ether 3/9/99 ND ug/kg 5.00 <br /> ene ND 1.00 <br /> erie ND 1.00 <br /> Ethylbenzene ND 1.00 <br /> Xylenes(total) _ ND " _ 2.00 <br /> Surrogate: a,a,a-TrOi,,orotoluene 300 297 99.0 ^ <br /> LCS 9030158-BS1 <br /> Benzene 3/5/99 174 ug/kg <br /> Toluene 171 " <br /> Ethylbenzene 171 " <br /> Xylenes(total) _ 514 " <br /> Surrogate: a,a,a-Trifluorotoluene 300 305 102 <br /> LCS 9030158-BS2 <br /> Benzene 3/9/99 192 ug/kg <br /> Toluene 190 " <br /> Ethylbenzene lgg ; <br /> Xylenes(total) _ 570 <br /> Surrogate, a,a,a-TrifTuorotoluene 300 327 109 <br /> Matrix 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-Trifluorotoluene 300 329 110 <br /> C) <br /> i <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions. <br /> I <br /> Page 21 of 28 <br />