Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wiset 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 /> Enviros Client project ID Shell 1267 Country Club, Stick <br /> 270 Perkins Ave Matrix Liquid <br /> Sonoma, CA 95476 <br /> Attention .Joe Neely Work Order# 9704512 10 Reported Apr 22, 1997 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Beryllium Cadmium Chromium Nickel <br /> QC Batch# ME041497601CMDA ME0414976010M❑A ME0414976010MOA ME041497601OMDA <br /> Analy Method. EPA 6010 EPA 6010 EPA 6010 EPA 5010 <br /> Prep Method. EPA 3010 EPA 3010 EPA 3010 EPA 3010 <br /> Analyst. R Butler R Butler R Butler R Butler <br /> MS/MSD #• 970421901 970421901 970421901 970421901 <br /> Sample Conc • N D ND 0 012 N D <br /> Prepared Date 4/14/97 4/14/97 4/14/97 4/14/97 <br /> Analyzed Date 4/14/97 4/14/97 4/14/97 4/14/97 <br /> Instrument I D #. MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc. Spiked 1 0 mg/1- 1 0 mg/L 1 0 mg/L 10 mg/L <br /> Result a94 096 096 096 <br /> MS %Recovery 94 96 95 96 <br /> Dup Result 092 094 094 095 <br /> MSD %Recov.: 92 94 93 95 <br /> RPD 22 21 21 10 <br /> RPD Limit. 0-20 0-20 0-20 0-20 <br /> LCS #' BLK041497 BLK041497 BLK041497 BLK041497 <br /> Prepared Date: 4/14/97 4/14/97 4/14/97 4/14/97 <br /> Analyzed Date 4/14/97 4/14/97 4/14/97 4/14/97 <br /> Instrument I D # MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc. Spiked: 1 0 mg/L 10 mg/L 1 0 mg/L 1 0 mg/L <br /> LCS Result 094 094 094 096 <br /> LCS %Recov .. 94 94 94 96 <br /> 80-120 80-120 80-120 80-120 <br /> LCS SG-120 80-120 80-120 80'120 <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 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 /> 0egory�Project Manager ""MS=Matrix Spike, MSD=MS Duplicate,RPD=Relative%Difference 9704512EEE <10> <br />