Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX (650)364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX (510)988 9673 <br /> Analytical 819 Striker Avenuc Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 woo <br /> Pacific Environmental Group Client Project ID 311-174 1A/BP #5447, Stockton <br />' 2025 Gateway Place, Suite 440 Matrix Solid <br /> San Jose, CA 95110 <br /> Attention Joe Muzzlo Work Order# 9802686 01-12 Reported Feb 27, 1998 <br /> QUALITY CONTROL DATA REPORT <br />' Analyte Beryllium Cadmium Chromium Nickel <br /> QC Batch# ME022098601OMDF ME022098601OMDF ME022098601OMDF ME022098601OMDF <br /> Analy Method EPA 6010 EPA 6010 EPA 6010 EPA 6010 <br />' Prep Method EPA 3010 EPA 3010 EPA 3010 EPA 3010 <br /> Analyst S LeBarron S LeBarron S LeBarron S LeBarron <br />' MS/MSD # 9802A3501 9802A3501 9802A3501 9802A3501 <br /> Sample Conc N D N D 30 32 <br /> Prepared Date 2/20/98 2/20/98 2/20/98 2/20/98 <br /> Analyzed Date 2/20/98 2/20/98 2/20/98 2/20/98 <br />' instrument I D # MTJA5 MTJA5 MTJA5 MTJA5 <br /> Conc Spiked 50 mg/Kg 50 mg/Kg 50 mg/Kg 50 mg/Kg <br /> Result 47 92 75 71 <br /> %MS Recovery 94 s2 so 78 <br /> Dup Result 50 50 85 84 <br /> MSD % Recov 100 100 110 104 <br /> RPD 62 83 13 17 <br /> RPD Limit 0-20 0-20 0-20 0-20 <br />' LCS# BLK022098 BLK022098 BLK022098 BLK022098 <br /> Prepared Date 2/20/98 2/20/98 2/20/98 2/20/98 <br /> Analyzed Date 2/20/98 2/20/98 2/20/98 2/20/98 <br />' Instrument I D# MTJA5 MTJA5 MTJA5 MTJA5 <br /> Conc Spiked 50 mg/Kg 50 mg/Kg 50 mg/Kg 50 mg/Kg <br /> LCS Result 49 46 48 48 <br /> LCS % Recov 98 92 96 96 <br /> IMS7MSD 80-120 80-120 80-120 80-120 <br /> LCS 80-120 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 /> Tod Granlcher interference,the LCS recovery is to be used to validate the batch <br /> Project Manager **MS=Matrix Spike, MSD=MS Duplicate, RPD=Relative%Difference 9802BB6 PPP <2> <br /> — r�i <br />