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1551 industrial Road <br /> Sequoia San Carlos, CA 940-10-4111 <br /> (650) 232-9400 <br /> i!D Analytical FAX (650) 23Z-9612 <br /> uoia-Morgan Hill Project: Blaine/CHEVRON Sampled: 8130199 <br /> 885 Jarvis Drive Project Number: 9090035/Chevron 9-0557 Received: 9/9/99 <br /> Morgan Hill,CA 95037 Project Manager: Kayvan Kimyai Reported: 9115/99 <br /> Total.Purgeable Hydrocarbons(C&C12),BTEX;and MTBE by DHS LUFTIQualityControl <br /> Sequoia Analyfical-San''Carlos <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Blank continued 9090049-BLKI <br /> Methyl tert-butyl ether 9/10/99 ND ug/l 5.00 <br /> Surrogate: a,a,a-Trifluorotoluene 1110.0 11.0 70.0-130 110 <br /> LCS 9090049-BSI <br /> Benzene 9110/99 10.0 9.58 ug/l 70.0-130 95.8 <br /> 70.0-130 89.2 <br /> Toluene 10.0 8.92 <br /> Ethylbenzene 10.0 9.14 70.0-130 91.4 <br /> Xylenes(total) 30.0 26.6 70.0-130 88.7 <br /> Surrogate: a,a,a-Triflucrotoluene 10.0 10.4 70.0-130 104 <br /> LCS 9090049-BS2 <br /> Purgeable Hydrocarbons as Gasoline 9/10/99 250 268 ug/l 70.0-130 107 <br /> Surrogate.' a,a,a-Trifluorotoluene 01 <br /> 10.0 11.7 it 70.0-130 117 <br /> Matrix Spike 9090049-MS1 L909076-03 <br /> zene 9/10/99 10.0 ND 9.11 ug/l 64.0-140 91.1 <br /> uene 10.0 ND 8.54 60.0-140 85.4 <br /> Ethylbenzene 10.0 ND 8.76 60.0-140 87.6 <br /> _Xylenes(total) 30.0 ND 25.2 60.0-140 84.fl <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 10.2 70.0-130 102 <br /> Matrix Spike Du 9090049-MSDI L909076-03 <br /> Benzene 9/10199 10.0 ND 9.15 ug/1 60.0-140 91.5 25.0 0.438 <br /> Toluene <br /> 10.0 ND 8.60 It <br /> 60.0-140 86.0 25.0 0.700 <br /> Ethylbenzene 10.0 ND 8.76 60.0-140 87.6 25.0 0 <br /> Xylenes(total) 30.0 ND 25.7 60.0-140 85.7 25.0 2.00 <br /> Surrogate: a,a,a-Trifluorotoluene 1, 10.0 8.99 70.0-130 89.9 <br /> Batch: 9090055 Date Prepared: 9/13/99 Extraction Method: EPA aftR 1PIT1 <br /> Blank 9090055-BLKI <br /> Purgeable Hydrocarbons as Gasoline 9/13/99 ND ug/l 50.0 <br /> ND 0.500 <br /> Benzene <br /> TND 0.500 <br /> Toluene <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) ND 0 <br /> 5.0000 <br /> Methyl tert-butyl ether ND 5. <br /> Surrogate: a,a,a-Trifluorotoluene <br /> 10.0 9.42 70.0-130 94.2 <br /> LCS 9090055-BS1 <br /> Benzene 9/13/99 10.0 10.0 ugli 70.0-130 100 <br /> Toluene 10.0 9.42 It 70.0-130 94.2 <br /> uoia Analytical- San Carlos *Refer to end of report for text of notes and definitions. <br /> Page 13 of 15 <br />