Laserfiche WebLink
Sequoia680 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 /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> u <br /> Enviros Client Project ID Shell 4315 Waterloo, Stockton <br /> 270 Perkins Ave Matrix Solid <br /> Sonoma, CA 95476 <br /> Attention Joe Neely Work Order# 9602H94 -01, -02 Reported Mar 22, 1996 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch# GCO22996BTEXEXA GCO22996BTEXEXA GCO22996BTEXEXA GCO22996BTEXEXA <br /> Analy Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method. EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst, E Cuanan E Cuanan E Cuanan E Cuanan <br /> MS/MSD # 9602E95-03 9602E95-03 9602E95-03 96021=95-03 <br /> Sample Conc : N D N D N D N D <br /> Prepared Date 2/29/96 2/29/96 2/29/96 2/29/96 <br /> Analyzed Date 2/29/96 2/29/96 2/29/96 2/29/96 <br /> Instrument I D # GCHP1 GCHP1 GCHP1 GCHP1 <br /> Conc Spiked 0 20 mg/kg 0 20 mg/kg 0 20 mg/kg 0 60 mg/kg <br /> Result 020 020 020 060 <br /> MS % Recovery 100 1D0 100 100 <br /> Dup. Result 021 021 021 062 <br /> MSD % Recov. 105 105 105 103 <br /> RPD 49 49 49 33 <br /> RPD Limit 0-50 0-50 0-50 0-50 <br /> LCS # GBLK022996BS GBLK0229968S BLK0229966S GBLK0229963S <br /> Prepared Date 2/29/96 2/29/96 2/29/96 2/29/96 <br /> Analyzed Date 2/29/96 2/29/96 2/29/96 2/29/96 <br /> Instrument I.D.#. GCHP1 GCHP1 GCHP1 GCHP1 <br /> Conc Spiked 0 20 mg/kg 0 20 mg/kg 0 20 mg/kg 0 60 mg/kg <br /> LCS Result 020 021 021 061 <br /> LCS % Recov. 100 105 105 102 <br /> LCS <br /> Control Limits 50-150 50-150 50-150 50-150 <br /> Please Note <br /> The LCS is a control sample of known,Interferent-free matrix that is analyzed using the same reagents, <br /> *71rao <br /> SEQUOIA 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 It <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 batchMGrery <br /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 9602H94 EEE <2> <br />