Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 - FAX (415) 364-9233 <br /> Blaine Tech Services, Inc Client Project ID Shell, 141 N EI Dorado <br /> 985 Timothy Drive Matra Water <br /> San Jose, CA 95133 <br /> Attention Jim Keller QC Sample Group 3EC3301-09 Reported Jun 4, 1993 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes <br /> Method- EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst: M Nipp M Nipp M Nipp M Nipp <br /> Cone Spiked. 10 10 10 30 <br /> Units: u9/L u9/L ug/L ug/L <br /> LCS Batch#- BLK060293 BLK060293 BLK060293 BLK060293 <br /> Date Prepared: N/A N/A N/A N/A <br /> Date Analyzed- 6/2/93 6/2/93 6/2/93 6/2/93 <br /> Instrument I.D #* GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> 0 LCS% <br /> Recovery, 83 84 83 83 <br /> Control Limits 80.120 84120 80-124 84120 <br /> MS/MSD <br /> Batch# 3ECO202 3ECO202 3ECO202 3ECO202 <br /> Date Prepared N/A N/A N/A N/A <br /> Date Analyzed- 6/2/93 6/2/93 6/2/93 6/2/93 <br /> Instrument I D.#. GCHP 2 GCHP-2 GCHP-2 GCHP-2 <br /> Matrix Spike <br /> %Recovery 83 84 84 83 <br /> Matrix Spike <br /> Duplicate% <br /> Recovery 86 86 86 83 <br /> Relative% <br /> Difference 36 24 24 00 <br /> SE1U1 ANPlease Note <br /> 4j 7 The LCS is a control sample of known interferent free matrix that is analyzed using the same reagents <br /> preparation and analytical methods employed for the samples The LCS%recovery data is used for <br /> fvalidation of sample batch results Due to matrix effects,the QC limits for MS/MSDs are advisory only <br /> and are not used to accept or reject batch results <br /> Proje (M,QCiager 3EC3301 BLA <5;> <br /> L/ <br />