Laserfiche WebLink
Sequoia 680 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 (5101 988 9673 <br /> war Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> Environ v. "Client Project ID $hell 141 N EI Dorado, Stock <br /> 270 Perktns Ave Matrix Solid <br /> Sonoma, CA 95476 <br /> Attention Joe Neely Work Order# 9604465 -01 Reported Apr 19, 1996" <br /> QUALITY CONTROL DATA REPORT <br /> Analyte' Beryllium Cadmium Chromium Nickel <br /> OC Batch#. ME040996601OMDE ME040996601OMDE ME040996601OMDE ME040996601OMDE <br /> Analy Method EPA 6010 EPA 6010 EPA 6010 EPA 6010 <br /> Prep. Method- EPA 3050 EPA 3050 EPA 3050 EPA 3050 <br /> Analyst: C Medefesser C Medefesser C Medefesser C Medefesser <br /> MS/MSD# 9604549-01 9604549-01 9604549-01 9604549-01 <br /> Sample Conc 080 N D 140 250 <br /> Prepared Date- 4/9/96 4/9/96 4/9/96 4/9/96 <br /> Analyzed Date. 4/10/96 4/10/96 4/10/96 4/10/96 <br /> Instrument I.D#: MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc Spiked- 100 mg/kg 100 mg/kg 100 mg/kg 100 mg/kg <br /> Result 97 96 220 340 <br />. MS % Recovery. 96 96 80 90 <br /> Dup Result: 97 95 240 340 <br /> MSD % Recov 96 95 100 90 <br /> RPD. 00 10 87 00 <br /> RPD Limit- 0-30 0-30 0-30 0-30 <br /> LCS# BLK040996 BLK040996 BLK040996 BLK040996 <br /> Prepared Date. 4/9/96 4/9/96 4/9/96 4/9/96 <br /> Analyzed Date: 4/10/96 4/10/96 4/10/96 4/10/96 <br /> instrument I.D #- MTJA2 MTJA2 MTJA2 MTJA2 <br /> Conc. Spiked 100 mg/kg 100 mg/kg 100 mg/kg 100 mg/kg <br /> LCS Result: 100 100 100 100 <br /> LCS % Recov• 100 100 100 100 <br /> LCS 75-125 75-125 75-125 75-125 <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 /> Mike Gregory <br /> Project Manager **MS=Matrtx Spike,MSD=MS Duplicate,RPD=Relative%Difference 9604465 EEE <2> <br />