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Sequoia 819 Striker Avenue Suite 8 <br /> Sacramento CA 95$34 <br /> ,!XN <br /> (916)921 %00 <br /> FAX00 <br /> ew <br /> Analytical www sequotalabscom <br /> Upgradterit-Valley SprHIgS Project J&L Market <br /> 336 Augusta Court Project Number NIA Reported <br /> Valley Springs CA 95252 Project Manager Vic Cherven 12/11/01 14 37 <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Sequoia Analytical - Sacramento <br /> Repornng Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 1110172- EPA 5030B JP/TJ <br /> Blank(111017_2-BLK1) _ _ _ _ Prepared&Analyzed 11/15/01 <br /> Tert-butyl alcohol ND 100 ug/l <br /> Methyl tert butyl ether ND 10 " <br /> Di-tsopropyl ether ND I 0 " <br /> Ethyl tert-butyl ether ND l 0 " <br /> Teri-amyl methyl ether ND l 0 " <br /> Ethanol ND 1500 " <br /> 12-Dichloroethane ND l0 " <br /> Ethylene dtbromide ND l 0 " <br /> Surrogate 1 2 DCA-d4 221 - J - 250 884 60-140 --- <br /> CS(111017_2-BSI) _ Prepared&Analyzed 11/15/01 <br /> yl tert-butyl ether 260 10 �ug/l _ 250 104 60-140 <br /> Surrogate 1 2-DCA-d4 _ 235 250 940 60-140 <br /> Matrix Spike(1110172-MSI) __ Source 5111165_-01_ Prepared&Analyzed 11/15/01 <br /> Methyl tert-butyl ether 25 1 10 ug/1_ 25 0 ND 100 60-140 <br /> Surrogate 12-DCA-d4 W 231 250 924 60-140 <br /> Matrix Spike Dup(I 110172_MSDI) Source S111165-01 Prepared&Analyzed 11/15/01 _- <br /> Methyl tert-butyl ether 26 1 1 0 ug/l 25 0 ND 104 60-140 3 91 25 <br /> Surrogate 1?-DCA d4 13 7 —�'— 251) 948 60-140 <br /> Batch 1110267- EPA 5030B (MeOHJ <br /> Blank(1110267-BLKI) Prepared&Analyzed 11/27/01 _ T <br /> Pert-butyl alcohol ND 10 mg/kg <br /> Methyl tert butyl ether ND 0 10 " <br /> Di-isopropyl ether ND 0 10 <br /> Fthyl tert-butyl ether ND 0 10 " <br /> Tert amyl methyl ether ND 0 10 " <br /> Ethanol ND I�,0 " <br /> 12 DiOloroi thane ND 0 10 " <br /> Ethylene dibromtde ND 0 l0 " <br /> Surrogate 1 2-DCA-d4 — - -- -- 227 T - J " 250 � 908 60-140 <br /> cola Analytical - Sacramento The results to this report apply to the samples analyzed to accordance with the chain of <br /> custody document This analyttcal rvp4rt must ba reproduced in,ts entirety <br /> ,per Page 14 of 18 <br /> ,PX <br />