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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue + Suite LM • Concord, California 94520 <br /> (415) 686-9600 4 FAX (415) 686-9689 <br /> r�„a^u .,.xw�c•+s� �;n •s+•`,.k}.2*. a�v^.tn+n�..,... y.. 'at;, x,,., <br /> k# $ r 'm•M�G, .�;4 a�;s+nvs��+k�•�c�9.s,.fa<N.+.arow, <br /> t "rkaw`. hwc '"A..r`"'fi•:e, va <br /> Delta Environmental Consultants Client <br /> 'Project Ip Stockton Air National Guard <br /> 3330 Data Drive { <br /> Rancho Cordova, CA 95870 <br /> 4r <br /> "Attention Hal Hanson OC Sample Group 0100729-31 Reported Nov i, 1990 <br /> .>.i � <br /> c <br /> Y`n'nJ <br /> +- .,.,,,.r : crYw.vw ,,. „ca..,caK�.+^.Y?�^„tb`„ d�?y`?.whsc • <br />' QUALITY CONTROL DATA REPORT <br /> f <br /> ANALYTE <br /> Diesel <br />' Method EPA 8015 <br /> Analyst K.Lee <br /> Reporting Units mg/kg <br />' Date Analyzed Oct 31, 19W <br /> CSC Sample# Matrix Blank <br />' Sample Conc: N D <br /> Spike Conc <br /> Added- 300 <br />' Conc. Matrix <br /> Spike- 240 <br /> Matrix Spike <br /> % Recovery: go <br />' Conc. Matrix <br /> Spike Dup : 240 <br /> Matrix Spike <br /> Duplicate <br /> I % Recovery- 80 <br /> Relative <br /> I % Difference: 0 <br /> I <br /> OUOIA ANALYTICAL %Recovery Conc of M S -Conc of Sample x 100 <br /> Spike Conc Added <br /> ` l_, ✓ Relative%Difference Conc of M S -Conc of M S D <br /> Belinda C Vega x ICO <br /> Laboratory Director (Conc of M 5 + Conc of M S D} 2 <br /> 100729 oi_r <3> <br />