Laserfiche WebLink
♦i <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9Z33 <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(916)921-0100 <br /> Analytical 1455 McDowell Blvd North Ste D Petaiuma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 10 <br /> I1': <br /> laine Tech Services Client Project ID Chevron 9-8632/980610-L1 <br /> 680 Rogers Avenue <br /> an Jose, CA 95112 <br /> ttention Fran Th-e QC Sample Group 9806741-01-04 Reported Jun 24 1998 <br /> QUALITY CONTROL. DATA REPORT <br /> Matrix Liquid " <br /> Method EPA 8015A <br /> Analyst A PORTER <br /> ANALYTE Diesel <br /> QC Batch # GC06189801ABPEXA <br /> Sample No 9806559-2 <br /> Date Prepared 6/18/98 <br /> Date Analyzed 6/22198 <br /> Instrument I D # GCHPSA <br /> Sample Conc uglL N D <br /> Conc Spiked, uglL 1000 <br /> Matrix Spike, ug1L 800 <br /> % Recovery 80 <br />. <br /> Matrix <br /> Spike Duplicate ug/L 820 <br /> % Recovery 82 <br /> Relative % Difference 2 5 <br /> RPD Control Limits 0-50 <br /> LCS Batch# BLK061898AS <br /> Date Prepared 6118/98 <br /> Date Analyzed 6122/98 <br /> Instrument I D # GCHPSA <br /> Conc Spiked uglL 1000 <br /> Recovery ug/L 760 <br /> LCS % Recovery 76 <br /> Percent Recovery Control Limits <br /> MS/MSD 50150 <br /> LCS 60 140 <br /> Quality Assurance Statement All standard operating procedures and quality control requirements have been met <br /> Please Note <br /> The LCS is a control sample of known interferent free matrix that is analyzed using the same reagents <br /> SEFregry <br /> LYTICAL preparation and analytical methods employed for the samples The matrix spike is an aliquot of sample <br />. fortified with known quantities of specific compounds and subjected to the entire analytical procedure If <br /> the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> interference the LCS recover is to be used to validate the batch <br /> or <br />