Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 %00 FAX(415) 364 9233 <br /> (D— 191X1$aces Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510) 686 9689 <br /> IwAnalytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> NN <br /> Blaine Tech Services, Inc Client Project ID 940510-A2, Shell, 141 N EI Dorado A ry v <br /> 985 Timothy Drive Matrix Liquid <br /> San Jose, CA 95133 <br /> Attention Jim Keller QC Sample Group 4E73907 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- A. Miraftab A Mlraftah A Mtraftab A Mlraftab <br /> MS/MSD <br /> Batch#: 4E67705 4E67705 4ES7705 4E67705 <br /> Date Prepared - - - - <br /> Date Analyzed. 5/15/94 5/15/94 5/15/94 5/15/94 <br /> Instrument I D # GCHP-17 GCHP-17 GCHP-17 GCHP-17 <br /> Conc. Spiked long/L long/L long/L 30pg/L <br /> Matrix Spike <br /> %Recovery 95 95 96 100 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery. 99 100 100 100 <br /> Relative % <br /> Difference 41 51 41 00 <br /> LCS Batch# - <br /> Date Prepared - <br /> Date Analyzed <br /> Instrument I.`►D.# - - <br /> LCS % <br /> Recovery. - - - <br /> % ecovery <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 /> EQUOIA 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 entre analytical procedure If <br /> the recovery of analytes from the matrix spike does not fail within specified control limits due to matrix <br /> interference,the LCS recovery is to be used to validate the batch <br /> Suzanne/In <br /> Project Manager 4E73901 BLA <6> <br /> ,T. <br />