Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> (916) 921 9600 • FAX (916) 92'1-0100 <br /> Groundwater Technology Client Project ID #023202124, Larrimersville School <br /> 1401 Halyard Drive, Suite 140 <br /> West Sacramento, CA 95691 <br /> Attention Scott Gable QC Sample Group 2010266-70 Reported Jan 27, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> AI�IALYTE Ethyl. <br /> Benzene Toluene Benzene Xylenes <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst C Chapman C Chapman C Chapman C Chapman <br /> Reporting Units ppb ppb ppb ppb <br /> Date Analyzed Jan 21, 1982 Jan 21, 1992 Jan 21, 1992 Jan 21, 1992 <br /> QC Sample# 201-0288 201-0288 201-0288 201-0288 <br /> Sample Conc : N D N D N D N D <br /> Spike Conc. <br /> Added 10 10 10 20 <br /> Conc Matrix <br /> Spike 10 107 103 214 <br /> Matrix Spike <br /> %Recovery. 100 107 103 107 <br /> Conc Matrix <br /> Spike Dup : 101 104 104 21 7 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery: 101 104 104 106 <br /> Relative <br /> % Difference 1 28 1 14 <br />*,SEQUOIA <br /> ANALYTICAL % Recovery Conc of IVI S -Conc of Sample x 100 <br /> /� Spike Gonc Added <br /> L. <br /> / Relative%Difference Conc of <br /> M S -Conc of M S t] x 100 <br /> Michael R Giles <br /> Laboratory Director (Cone of M s + Conc of m s D}/2 <br /> 2010256 GGG c4> <br />