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Sequoia 1551 A 94070-4111 <br /> 4070/ Road <br /> San Carlos CA 94070-41 I f <br /> (650) 232-9600 <br /> qwr Analytical <br /> FAX(650) 232-9612 <br /> i <br /> Sequoia-Morgan Hill Project Btatne/EQUIVA Sampled 8/11199 <br /> 885 Jarvis Dave Project Number 9080501 Received 8/19/99 <br /> Morgan Hill,CA 95037 Project Manager Kayvan Kimyat Reported 8/25/99 08 42 <br /> MTB>E`by EPA Method-826flA%Quality Control's ,� <br /> s � <br /> Sequota AnalOacal-San Carlos <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> lAnalyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9080101 Date Prepared 8/19/99_ Extraction Method_ _EPA 5030E IP/TI <br /> Blank 9080101-BLK1 <br /> Methyl tert-butyl ether 8/19/99 ND ug/l 200 <br /> Surrogate 1,2-Dichloroethane-d4 11 500 554 ff760-114 111 <br /> Blank 9080101-BLK2 <br /> Methyl tert-butyl ether 8/20/99 ND ug/1 200 <br /> Surrogate 1,2-Dtchloroethane-d4 500 546 760-114 109 <br /> LCS 9080101-BS1. <br /> Methyl tert-butyl ether 8119199 500 523 ug/1 700-130 105 <br /> Surrogate 12-Dtchloroethane-d4 500 568 ff 760-114 114 <br /> LCS 9080101-BS2 <br /> Methyl tert-butyl ether 8/20/99 500 476 ug/l 700-130 952 <br /> Surrogate 1,2-Dtchloroethane-d4 11500 534 It <br /> 760-114 107 <br /> Matrix Spike 9080101-MSI L908107-05 <br /> Methyl tert-butyl ether 8119199 Soo ND 497 ug/1 600-140 994 <br /> Surrogate 1,2-Dtchloroethane-d4 0500 544 760-114 109 <br /> Matrix Spike Dup 9080101-MSD1 L908107-05 <br /> Methyl tert-butyl ether 8/19/99 500 ND 497 ug/l 600-140 994 250 0 <br /> Surrogate 1,2-Dtchloroethane-d4 ff500 546 of760-114 109 <br /> Batch 9080106 Date Prepared 8119/99 Extraction Method EPA 5030B 1P/T1 <br /> Blank 9080106-BLK1 - - <br /> Methyl tert-butyl ether 8119199 ND ug/l _ 200 <br /> Surrogate 1,2-Dtchloroethane-d4 11500 479 760-114 958 <br /> LCS 9080106-BSI <br /> Methyl tert-butyl ether 8/19/99 500 536 ug/1 700-130 107 <br /> Surrogate 12-Dtchloroethane-d4 of 500 493 760-114 986 <br /> Matrix Spike 9080106-MSI L908116-02 <br /> Methyl tert-butyl ether 8/19/99 Soo 31 9 874 ug/1 600-140 111 <br /> -Surrogate 1-2-Dtchloroethane-d4 " _ 500- - - 456 760-114 912 <br /> Matrix Spike Dup - 9080106-MSD1 L908116-02 - - - <br /> Methyl tert-butyl ether 8/19/99 500 31 9 860 ug/l 600-140 108 250 274 <br /> Surrogate 1,2-Dtchloroethane-d4 500 481 760-114 962 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitionlOOF <br /> Page 4 of 5 <br />