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1551 A 94070-4111 <br /> 4070 [toad <br /> Sequoia <br /> San Carlos CA 94070-4 1 1 1 <br /> (650) 232-9600 <br /> D� Analytical FAX(650) 232-9612 <br /> 0 <br /> Sequoia-Morgan Hill Project Blame/EQUIVA Sampled 9/9/99 <br /> 885 Jarvis Drive Project Number M909454/341 East Main Street Received 9/17/99 <br /> Morgan Hill,CA 95037— - Project Manager-_Kayvan Kim at_ ___ _ Reported 9/22/99 <br /> `�'" �¢ '� "'�,'V latex Or anrc Ox enafed Com ounds b EPA�Method 8Z60AlQaaLty Control - <br /> ��� <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> lAnalyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9090091 Date Prepared 9/19/99 Extraction Method EPA 5030E [P/T1 <br /> Blank 9090091=BLK1 <br /> Ethanol 9/19/99 ND ug/I 400 <br /> Tert-butyl alcohol ND 100 <br /> Methyl tert-butyl ether ND 200 <br /> Di-isopropyl ether ND It200 <br /> Ethyl tert-butyl ether ND „ 200 <br /> Tert-amyl methyl ether ND to200 -- <br /> Surrogate 1,2-Dichloroethane-d4 500 539 It760-114 108 <br /> LCS 9090091-BS1 <br /> _Methyl tert-butyl ether 9/19/99 Soo 470 ugll 700-130 94 0 <br /> Surrogate 1,2-Dtchloroethane-d4 500 531 of760-114 106 <br /> Matrix Spike 9090091-MS1 L90916749 <br /> Methyl tert-butyl ether 9/19199 500 ND 49 1 ug/1 600-140 982 - <br /> Surrogate 12-Dichloroethane-d4 500 541 760-114 108 <br /> Matrix Spike Dup 9090091-MSD1 L909167-49 <br /> Methyl tert-butyl ether 9/19/99 500 ND 534 ug/l 600-140 107 25 0 8 58 <br /> Surrogate 1,2-Dtchloroethane-d4 r, 500 548 IF76 0-114 110 <br /> Batch 9090092 Date Prepared 9/19/99 Extraction Method, EPA 5030EFP/Tl <br /> Blank 9090092-BLKI <br /> Ethanol 9/19/99 ND ug/1 1000 <br /> Tert-butyl alcohol ND 200 <br /> Methyl tert-butyl ether " ND 200 <br /> Di-isopropyl ether ND 200 - <br /> Ethyl tert-butyl ether ND 200 <br /> Tert-amyl methyl ether ND 2 00 <br /> Surrogate 1,2-Dtchloroethane-d4 500 504 760-114 101 <br /> Blank 9090092-BLK2 <br /> Ethanol 9/20/99 ND ugll 1000 <br /> Tert-butyl alcohol ND It200 <br /> _ Methyl tert-butyl ether ND It200 <br /> Di-isopropyl ether ND 2 00 <br /> Ethyl tert-butyl ether ND 200 <br /> _Tert-amyl methyl ether ND 200 _ <br /> Surrogate 1,2-Dtchloroethane-d4 Soo 50 6 760-114 101 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions <br /> Page 4 of 6 <br />