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Sequoia los, Industrial Road ` <br /> San Carlos, CA�940?0-41]1 <br /> /� (650) Z32-9600 <br /> Analytical FAX (650) 232-9612 <br /> i <br /> Blaine Tech Services Project Equiva(2) Sampled 8/20199 <br /> 1680 Rogers Avenue Protect Number 6131 Pacific Ave,Stockton/990820-X1 Received 8123199 <br /> San Jose,CA 95112 Project Manager Ann Pember Reported 9/7199 <br /> Or0genated,Conpcunds'by EPA Mehod 8260A/Quahty ControlVolateganicgys - <br /> Eg- <br /> 3R„ i E ds.P j 5 C3 l b A Fes" ✓f <br /> �ellUglil'AIlalyti7cal <br /> Date Spike Sample QC Reportng Lunrt Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> --Batch 9080147 -- -_ _ -------Date Prepared_ 8/25/99 _ _ -_Extraction Method EPA 5030E PIT -_---- <br /> Blank 9080147-BLKI <br /> Ethanol 8/25199 ND ug/l 1000 <br /> Tert-butyl alcohol " ND to 200 <br /> Methyl tert-butyl ether ND 2 00 <br /> Di-isopropyl ether ND 200 <br /> Ethyl tert-butyl ether ND 2 00 <br /> Tert-amyl methyl.ether ND 2 00 <br /> Surrogate 1,2-Dichloroethane-d4 500 508 760-114 102 <br /> Blank 9080147-BLK2 <br /> Ethanol 8/26/99 ND ug/l 1000 <br /> Tert-butyl alcohol " ND 200 <br /> Methyl tert-butyl ether ND 2 00 <br /> Di-isopropyl ether ND 2 00 <br /> Ethyl tert-butyl ether ND 2 00 <br /> Tert-amyl methyl ether ND 200 <br /> Surrogate 1 2-Dichloroethane-d4 500 490 760-114 980 <br /> LCS 9080147-BSI <br /> _Methyl tertLLbutyl_ether $I2__5/9_4�_ X00 4-9 ug/l00=130 1-10 <br /> Surrogate 1,2-Dichloroethane-d4 500 502 760-114 100 <br /> LCS �- -�-� 9080147-BS2 <br /> Methyl tert-butyl ether_ _ 8/26/99 500 497 ug/1 _ 700-130 994 <br /> Surrogate 1,2-Dichloroethane-d4 500 479 760-114 958 <br /> Matrix Spike 9080147-MSI L908190-01 <br /> Methyl tert-butyl ether 8/25/99 Soo 353 _ 55 9 ug/I 600-140 105 <br /> Surrogate 1 2-Dichloroethane-d4 0500 484 760-114 968 <br /> Matrix Spike Duo 9080147-MSDI L908190-01 <br /> Methyl tert-butyl ether 8/25/99 500 353 52 1 ug/l 600-140 97 1 25 0 782 <br /> Surrogate 12-Dichloroethane-d4 50 0 477 11 - 760-114 9-54 <br /> Batch 9080151 Date Prepared 8126199 Extraction Method EPA 50308 1P/Tl <br /> Blank 9080151-BLK1 <br /> Ethanol 8/26/99 ND ug/l 1000 <br /> Tert-butyl alcohol " ND to 200 <br /> _ Methyl tert-butyl ether ND 200 <br /> Di-isopropyl ether ND 200 <br /> Ethyl tert-butyl ether ND 200 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definer <br /> Page 12 of 14 <br />