Laserfiche WebLink
Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue,Suite L Concord,CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> Analytical 819 Sinker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> RESNA Client Project ID 150070 01, Chase Chevrolet <br /> 1710 Main Street Matrix LIQUID <br /> Escalon, CA 95320 <br /> Attention Greg Stahl Work Order# 9412F68 04 Reported Jan 6, 1995 <br /> QUALITY CONTROL DATA REPORT <br /> Analyte Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#• OC122994BTEX20A GC122994BTEX20A GC122994BTEX20A GC122994BTEX20A <br /> Analy. Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep Method N A N A- NA NA <br /> Analyst. J Minkel J Minkel J Minkel J Minkel <br /> MS/MSD# 9412F6514 9412F6514 9412F6514 9412F6514 <br /> Sample Conc • ND ND N D N D <br /> Prepared Date, NA N A. N A N A <br /> Analyzed Date 12/29/94 12/29/94 12/29/94 12/29/94 <br /> Instrument LD # GCHP20 GCHP20 GCHP20 GCHP20 <br /> Conc Spiked 10pg/L 10ug/L 10Ng/L 30Ng/L <br /> Result 98 99 98 30 <br /> MS % Recovery, 98 99 98 100 <br /> Dup Result. 10 10 is 31 <br /> MSD % Recov 100 100 100 103 <br /> RPD 20 10 20 33 <br /> RPD Limit 0-50 0-50 0-50 0-50 <br /> LCS# - - <br /> Prepared Date: - <br /> Analyzed Date. - <br /> Instrument I D # - - <br /> Conc.Spiked. - <br /> LCS Result - <br /> LCS %Recov. - - - <br /> 71-133 72128 72-130 71-120 <br /> LCS <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 /> Vickie Tague Clark <br /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 94121`68 WAT a2> <br />