Laserfiche WebLink
Sequoia 6 sapeake Drive Redwood City CA 94 (650)364-9600 FAX(650)364-9233 <br /> 404 Wiget Lane Walnut Creek CA 9459) (925)988-9600 FAX(925)988-9673 <br /> Analytical <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1� aly}tical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Waine Tech Services, Inc Client Project ID Shell 341 East Main St <br /> 1680 Rogers Ave Matrix Liquid <br /> San,lose, CA 95112 <br /> Attention Fran Thle Work Order # 98071-186-01 Reported Aug 20, 1998 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Methanol Ethanol Iso-Propanol <br /> QC Batch# GCO731981SHSHSB GCO731981SHSHSB GCO731981SHSHSB <br /> Analy Method ISHS ISHS ISHS <br /> Prep Method HS HS HS <br /> Analyst T Sorokin T Sorokin T Sorokin <br /> MS/MSD # 9807/39104 9807B9104 9807139104 <br /> Sample Conc, N D N D N D <br /> Prepared Date 7/28/98 7/28/98 7/28/98 <br /> Analyzed Date 7/28/98 7/28/98 7/28/98 <br /> Instrument LD # GCv1 GCv1 GCv1 <br /> Conc Spiked 8 0 mg/L 8 0 mg/L 8 0 mg/L <br /> Result. 95 12 12 <br /> MS % Recovery 119 150 150 <br /> Dup Result 93 11 11 <br />• MSD % Recov 116 138 138 <br /> RPD 21 87 87 <br /> RPD Limit- 0-50 0-50 0-50 <br /> LCS #: LCS073198 LCS073198 LCS073198 <br /> Prepared Date: 7/31/98 7/31/98 7/31/98 <br /> Analyzed Date- 7/31/98 7/31/98 7/31/98 <br /> Instrument I D #: CCv1 GCv1 GCV1 <br /> Conc Spiked: 8 0 mg/L 8 0 mg/L 8 0 mg/L <br /> LCS Result: 90 10 11 <br /> LCS % Recov- 113 125 138 <br /> 50-150 50-150 50-150 <br /> LCS 70-130 70-130 70-130 <br /> Control Limits <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOI A ALYTICAL 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 recovery is to be used to validate the batch <br /> P� gy nner <br /> Pro ect anager **MS=Matrix Spike, MSD=MS Duplicate,RPC=Relative%Difference 9807H86 SLA <2> <br />