Laserfiche WebLink
ID Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget bane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Iwo Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)9ZI-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)79Z-0342 <br /> Gettler-Ryan - Dublin Client Project 10 Unocal SS#5886, Stockton <br /> 6747 Sierra Court, Suite J Matrix Liquid <br /> Dublin, CA 94568 <br /> Attention Deanna Harding CC Sample Group 9030233-244 Reported Mar 24, 1999 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst J Minkel J Minkel J Minkel J Minkel <br /> MS/MSD <br /> Batch# 9030144 9030144 9030144 9030144 <br /> Date Prepared 3/8/99 3/8/99 3/8/99 3/8/99 <br /> Date Analyzed 3/8/99 3/8/99 3/8/99 3/8/99 <br /> Instrument I D # HP-9 HP 9 HP 9 HP-9 <br /> Conc Spiked 20vg/L 20ug/L 20ug/L 60ug/L <br /> Matrix Spike <br /> Recovery 110 115 115 113 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 110 115 115 113 <br /> Relative % <br /> Difference 00 00 00 00 <br /> LCS Batch# 9LCS030899 9LCS030899 9LCS030899 9LCS030899 <br /> Date Prepared 3/8/99 3/8/99 3/8/99 3/8/99 <br /> Date Analyzed 3/8/99 3/8/99 3/8/99 3/8/99 <br /> Instrument I D # HP 9 HP 9 HP 9 HP-9 <br /> LCS % <br /> Recovery 110 115 110 110 <br /> ecovery <br /> Control Limits 70-130 70-130 70-130 70 130 <br /> Please Note <br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents <br /> SEQUOIA ANALYTICAL, #1271 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 recoveryIs to be used to validate the batch <br /> tJianne Fegleyct Manager <br /> 9030233 GET <16> <br />