Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX (510) 988 9673 <br /> IIS Analytical 819 Striker Avenue Suite 8 Sacramento, CA 95834 (916) 921 9600 FAX(916)921 moo <br /> Touchstone Developments Client Project ID Chevron 9-2033, 2033-2 <br /> P O Box 2554 Matrix Solid <br /> Santa Rosa, CA 95405 <br /> Attention Jeff Monroe Work Order# 9610150 01-13 Reported Nov 5, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xyfenes <br /> Benzene <br /> QC Batch# GC103096BTEXEXA GC103096BTEXEXA GC1030968TEXEXA GC103096BTEXEXA <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst Porter Porter Porter Porter <br /> MS/MSD #. 961OB1304 961OB1304 9610B1304 961081304 <br /> Sample Conc N D N D N D N D <br /> Prepared Date 10/30/96 10/30/96 10/30/96 10/30/96 <br /> Analyzed Date 10/30/96 10/30/96 10/30/96 10/30/96 <br /> Instrument 1.1) # GCHP22 GCHP22 GCHP22 GCHP22 <br /> Conc Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg <br /> Result 017 017 017 053 <br /> 4VS % Recovery 85 85 85 88 <br /> Dup Result 017 018 018 054 <br /> MSD % Recov 85 90 90 90 <br /> RPD 00 57 57 19 <br /> RPD Limit 0-25 0-25 0-25 0-25 <br /> LCS # BLK103096 BLK103096 BLK103096 BLK103096 <br /> Prepared Date 10/30/96 10/30/96 10/30/96 10/30/96 <br /> Analyzed Date. 10/30/96 10/30/96 10/30/96 10/30/96 <br /> Instrument 1.13 # GCHP22 GCHP22 GCHP22 GCHP22 <br /> Conc Spiked 0 20 mg/Kg 0 20 mg/Kg 0 20 mg/Kg 0 60 mg/Kg <br /> LCS Result 018 018 018 056 <br /> LCS % Recov 90 90 90 93 <br /> 60-140 60-140 60-140 60-140 <br /> LCS 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> OIA ANALYTICAL 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 recovery is to be used to validate the batch <br /> Kevin Follett <br /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate, RPD=Relative%Difference 9610150 TTT 4 1> <br />