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Sequoia 819 Striker Avenue,Suite <br /> Sacramento,CA 958; <br /> Analytical (916)921-0 <br /> FAX -01(916)9211( <br /> IT Corporation-Sacramento _- _ Project: Parkinson ARCO r Y 'Sampled: 1/26/00 <br /> 1433 N.Market Blvd.,Ste. 1 Project Number: 880-040.1A Received: 1/27/00 <br /> Sacramento,CA 95834Project Manager: Kathleen Waldo Reported: 2/9/00 <br /> Volatile Oxygenate Compounds by EPA Method 8260A/Quality Control <br /> Sequoia Analytical-Sacrame'tto ' <br /> �u <br /> Date Spike Sample QC - Reporting Limit Recov. RPD RPD <br /> Analyte Analyzed Level Result Result 1 Units Recov.Limits % Limit % Notes . <br /> Batch: 0010285 Date Prepared: 1/31/00 Extraction Method: EPA 5030B IMeOHI <br /> Blank 0010285-BLKI <br /> Tert-butyl alcohol 1/31/00i4 <br /> ND mfg 10.0 <br /> Methyl tert-butyl ether ND 0.100 <br /> Di-isopropyl ether ND „ <br /> Ethyl tert-butyl ether + y 0.100 <br /> Tert-amyl methyl ether ND 0:100� <br /> Ethanol ND 0.100 <br /> " ND " 150 <br /> 1,2-Dichloroethane ND " 0.100 <br /> Ethylene dibromide ND 0.100 <br /> Surrogate: 1,2-DCA-d4 2.50 '` = 2.81 60.0-140 112 <br /> LCS 0010285-BS1 <br /> Methyl tert-butyl ether 1/31/00 2.50 2.68 mg/kg 70.0-130 107 <br /> Surrogate: 1,2-DCA-d4 IF 2.50 2.73 " 60.0-140 109 <br /> q . <br /> Matrix Spike 0010285-MS1 S001287-08 <br /> _Methyl tert-butyl ether 1/31/00 2.50 ND 2.34 m <br /> Surrogate.• 1,2-DCA-d4 Pig 60.0-140 93.6 <br /> 2.50 2.35 60.0-140' 94.0 <br /> Matrix Spike Duo 0010285-MSD1 5001287-08 <br /> _Methyl tert-butyl ether 1/31/00 2.50 ND 2.43 m <br /> Surrogate: 1,2-DCA-d4 !fig 60.0-140 97.2 25.0 3.77 <br /> 2.50 2.38 60.0-140 95.2 <br /> Sequoia Analytical-Sacramento - - -. *Refer to end of report for text;of notes and definitions. <br /> Page 14 of 16 <br /> 4.A <br />