Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9Z33 <br /> 404 N wlget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> IQF Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 `916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 707 792-1865 FAX 707 792-0342 <br /> is <br /> Sequoia Analytical - Petaluma Client Project ID P903277 <br /> 1455 N McDowell Blvd Ste D Matrix Liquid <br /> Petaluma CA 94954 <br /> Attention Scott Forbes Work Order# 9903C77 03-07 Reported Apr 5, 1999 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Methanol Ethanol lso-propanol <br /> QC Batch# GC0331991SHSHSB G0033199ISHSHSB 0331991SHSHSB <br /> Anally Method ISHS 1SHS tSHS <br /> Prep Method HS HIS HS <br /> Analyst M M M M M M <br /> MS/MSD# 9903A8204 9903C8601 9903C8601 <br /> Sample Conc ND ND ND <br /> Prepared Date 3/29/99 4/1/99 4/1/99 <br /> Analyzed Date 3/29/99 4/1/99 4/1/99 <br /> Instrument I D # GCv1 GCv1 GCv1 <br /> Conc Spiked 8 0 mg/L 8 0 mg/L 8 0 mg/L <br /> Result 79 89 91 <br /> MS %Recovery 99 111 114 <br /> Dup Result 81 92 96 <br /> MSD % Recov 101 115 120 <br /> RPD 25 33 53 <br /> RPD Limit 0-50 0-50 0-50 <br /> LCS# LCS033199 LCS020499 L08020499 <br /> Prepared Date 3/31/99 4/1/99 4/1/99 <br /> Analyzed Date 3/31/99 4/1/99 4/1/99 <br /> Instrument I D # GCv1 GCv1 GCv1 <br /> Conc Spiked 8 0 mg/L 8 0 mg/L 8 0 mg/L <br /> LCS Result 78 89 90 <br /> LCS %Recov 98 111 113 <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 /> 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 11 <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 /> ��n�Kimy �� , ^ <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative% Difference 9903C77 SSS <2> <br />