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SEOIA ANALYTICAL—SAC. 916 0100 P. 08 <br /> SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 0 Sacramento, CA 95834 <br /> (918) 921.9000 7AX (016) 021 0100 <br /> v r. ,: � ..e y ••;•....,,.......s. ear�s,"• .... t...° ......, _.. <br /> zf x ....<.t S.......i?.:::: . .. <br /> RESNA Industries Client Project ID Arco#2076, Lodi <br /> � 31164 Gold Camp Drive, Sulte 200 <br /> '.Rancho Cordova. CA 95670 Heportcd Dec 5 99 <br /> Attention: Eloise Frick GC Sample Group: 111 C809-12 <br /> QUALI I Y CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Eenzene Xylenee <br /> Method: EPA 8020 EPA 5020 EPA 8020 EPA 8020 <br /> Analyst: C.Cr.aprnai C.Chapman C. c apman C:Chapman <br /> Reporting Units: ppm ppm 0pm ppm <br /> Date Analyzed: Dec 4, 1991 Dec 4, 1991 Dec 4, 1991 Car. 4, 1991 <br /> CC Sample #: 112-0044 112.0044 112-0044 112-OJ44 <br /> Sample Gone.: N.0. <br /> Spike Conc. <br /> Added: 0.20 0.20 0.20 0.10 <br /> Conc. Matrix <br /> Spike: 0.18 3.18 0.18 7.3' <br /> Matrix Spike <br /> % Recovery: 90 90 90 93 <br /> Conc. Matrix <br /> Spike Cup.: 0.17 0.17 0.17 0.35 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery: 85 85 85 88 <br /> Relative <br /> %Difference: 5.7 5.7 5.7 5.5 <br /> SEQUOIA ANALYTICAL % Recovery Conc,of M.S,•Conc,of Sample x 100 <br /> �'r�"K /�✓� ./J ::pike Conc.Added I <br /> .t •YJ/ Ralativa q(liifaranna• C1nnr. nr M S -,: nr of M.911 r 100 <br /> Rick R. DiMaio (Conc.of M.S. + Conc,of M.S.D.)12 <br /> Project Manager ?1t0E199.RES ta> <br />