Laserfiche WebLink
4 <br /> Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord, CA 94520 (SSD) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Blaine Tech Services, Inc Client Project ID 940510-K2, Shell, 6131 Pacific Avenue h <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller OC Sample Group 4E73205-06 Reported May 23, 1994 <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# 4E52309 4E52309 4E52309 4E52309 <br /> Date Prepared, - - - - <br /> Date Analyzed: 5/13/94 5/13/94 5/13/94 5/13/94 <br /> Instrument I.D.#: GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Conc. Spiked: 10ug/L 10ug/L 10lig/L 30lig/L <br /> Matrix Spike <br /> % Recovery 110 110 110 113 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery* 110 110 110 110 <br /> Relative% <br /> Difference: 00 00 00 27 <br /> LCS Batch#: - <br /> Date Prepared - <br /> Date Analyzed. - - <br /> Instrument E.D.# - <br /> LCS% <br /> Recovery: - - - - <br /> Recovery <br /> Control Limits 71-133 72-128 72-130 71-120 <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 preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> fortified will, known quantities of specific compounds and subjected to the entire analytical procedure K <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 /> Suzanne Chin <br /> Project Manager 4673201 BLA <4> <br />