Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (925)985-9600 FAX(925)958-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Blaine Tech Services, Inc Client Project ID Chevron 9-9840/981223-L1 <br /> 1680 Rogers Ave Matrix Liquid <br /> San Jose, CA 95112 <br /> Attention Christine Lillie Work Order# 9812G28 -01-04 Reported Jan 12, 1999 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> OC Batch# OIV9019 01 V9019 01 V9019 01V9019 <br /> Analy Method EPA 8015M/8020 EPA 8015M/8020 EPA 8015M/8020 EPA 8015M/8020 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst - <br /> LCS/LCSD# 8120354 8120354 8120354 8120354 <br /> Sample Conc N D N D N D N D <br /> Prepared Date 1/4/99 1/4/99 1/4/99 1/4/99 <br /> Analyzed Date 1/4/99 1/4/99 1/4/99 1/4/99 <br /> Instrument I D # <br /> Conc Spitted 20ug/L 20 ug/L 20 Yg/L 60 ug/L <br /> Result 21 22 21 63 <br /> LCS % Recovery 110 110 110 110 <br /> ❑up Result 21 21 21 62 <br /> LCSD % Recov 110 110 110 100 <br /> RPD 00 47 00 16 <br /> RPD Limit 0-30 0-30 0-30 0-30 <br /> LCS 80-120 80120 80120 80.120 <br /> Control Limits <br /> Please Note <br /> SEQUOIA ANALYTICAL The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents <br /> Elap #18 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 /> l the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix <br /> r interference the LCS recovery is to be used to validate the batch <br /> ory <br /> Project Manager **MS=Matrix Spike MSD=MS Duplicate RPD=Relative% Difference 9812G28 BLA c 1> <br />