Laserfiche WebLink
Sequoia 6Bo Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N.Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento.CA 95834 (916)921-9600 FAX(9t6)921-0100 <br /> Analytical 1455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)79Z-034Z <br /> SECOR International Project: ARCO 4493,Stockton,CA Sampled: 2/16199 <br /> 9912 Business Park Drive,Ste. 100 Project Number: N/A Received: 2117/99 <br /> Sacramento,CA 95827 Project Manager: Rusty Benkosky Reported: 3/3/99 <br /> Volatile Oxygenate Compounds by EPA Method 8260A/QuaIity Control <br /> Sequoia Analytical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov. Limits % Limit % Notes* <br /> Batch: 9020207 Date Prepared: 2118/88 ExtractiQn Method; EPA 5030B [PIT] <br /> Blank 9020207-BL K I <br /> Tert-butyl alcohol 2/18/99 ND ug/l 200 <br /> Methyl tert-butyl ether ND 2.00 <br /> Di-isopropyl ether ND 2.00 <br /> Ethyl tert-butyl ether ND 2.00 <br /> Tert-amyl methyl ether ND 2.00 <br /> Surrogate: 1,2-DCA-d4 50.0 50.2 60.0140 100 <br /> l.cs 9020207-BS1 <br /> Methyl tert-butyl ether 2/18/99 50.0 53.8 ugll 70.0-130 108 <br /> Surrogate: 1,2-DCA-d4 1150.0 55.6 60.0-140 111 <br /> 9020207-MSI S9022,30-01 <br /> hyl tert-butyl ether 2/18/99 50.0 3.06 53.0 ug/1 60.0-140 99.9 <br /> surrogate: 1,2-DCA-d4 50.0 52.6 60.0-140 105 <br /> Matrix Spike Duo 9020207-MSDI 5902230-01 <br /> Methyl tert-butyl ether 2118199 50.0 3.06 55.6 ug/1 60.0-140 105 25.0 4.98 <br /> Surrogate: 1,2-DCA-d4 1150.0 54.4 " 60.0-140 109 <br /> Batch: 9020259 Date Prepared: 2123/99 Extraction Mt:ih9d. FEA.503QU 1[!/Tl <br /> Blank 90202.9-13LK11 <br /> Tert-butyl alcohol 2/23199 ND ug/1 200 <br /> Methyl tert-butyl ether ND 2.00 <br /> Di-isopropyl ether ND 2.00 <br /> Ethyl tert-butyl ether ND 2.00 <br /> Tert-amyl methyl ether ND 2.00 <br /> Surrogate: 1,2-DCA-d4 " 50.0 57.0 " 60.0-140 114 <br /> US 9020259-BSI <br /> Methyl tert-butyl ether 2/23/99 50.0 56.6 ug/1 70.0-130 113 <br /> Surrogate: 1,2-DCA-d4 1150.0 56.2 60.0-140 112 <br /> Matrix Spik 9020259-MSI S902260-02 <br /> Methyl tert-butyl ether 2/23/99 50.0 ND 59.8 ug/1 60.0-140 120 <br /> Surrogate: 1,2-DCA-d4 " 50.0 57.6 60.0-140 115 <br /> Matrix Spike Duo 9020259-MSDI 5902260-02 <br /> ethyl tert-butyl ether 2/23199 50.0 ND 60.4 ug/1 60.0-140 121 25.0 0.830 <br /> quoia Analytical -Sacramento *Refer to end of report for text of notes and definitions. <br /> __. . <br /> Sandra R. Hanson, Client Services Representative Page 18 of 20 <br />