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Sequoia los Industrial Road <br /> San Carlos CA 94070.41 1 1 <br /> Analytical (650)232-9600 <br /> FAX(650) 232-9612 <br /> Blame Tech Services Project Equiva(2) Sampled 9122199 <br /> 1680 Rogers Avenue Project Number 341 East Main St,Ripon Received 9123199 <br /> San Jose,CA 95112- - Project Manager Ann Pember.- - = =_- -.—Reported _1018199 - - - <br /> �,..�,.,..-.,,� <br /> t� Volatile Organic;0aygenaEed�Compoancls by�EPAMetltod8260A/Quality Controlq�h3 <br /> _ ,1 .E <br /> r�_ a��ys°s ,�51� r <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> lAnalyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Batch 9090138 Date Prepared 9129199 Extraction Method EPA 5030B[P/T1 <br /> Blank 9090138=BEK1 <br /> Ethanol 9129199 ND ug/l 1000 <br /> Tert-butyl alcohol it ND " 200 <br /> Methyl tent-butyl ether it ND it 200 <br /> Di-isopropyl ether it ND " 200 <br /> Ethyl tert-butyl ether 11 ND 200 <br /> Tert-amyl methyl ether 01 ND 200 <br /> Surrogate 1,2-Drchloroethane-d4 500 485 760-114 970 <br /> Blank 9090138-BLK2 <br /> Ethanol 9130/99 ND ug/l 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 200 <br /> Surrogate 1,2-Dichloroethane-d4 500 488 760-114 976 <br /> LCS 9090138-BSI <br /> Methyl tert-butyl ether 9129/99 500 503 _ ug/1 700-130 101 <br /> Surrogate 1,2-Drchloroethane-d4 Fr 500 542 760-114 108 <br /> LCS 9090138-BS2 <br /> Methyl tert-butyl ether 9130/99 Soo 468 ug/1 700-130 93 6 <br /> Surrogate 1,2-Dichloroethane-d4 er 500 508 to 760-114 102 <br /> Matrix Sol ke 9090138-MSI L909264-02 <br /> Methyl tert-butyl ether 9/29/99 Soo ND 488 ug/l 600-140 976 <br /> Surrogate 1,2-Dichloroethane-d4 Ot500 506 760-114 101 <br /> Matrix Spike Dun 9090138-MSD1 L909264-02 <br /> Methyl tert-butyl ether 9129/99 500 --ND 506 ug/l 600-140 101 25 0 342 <br /> Surrogate 1 2-Dichloroethane-d4 500 542 760-114 108 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions <br /> ,p� Page 9 of <br />