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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> RESNA Client Project ID 5400601, Coca-Cola-Stockton n <br /> 3315 Almaden Expwy,, Suite 34 <br /> Sart Jose,CA 95118 wv, <br /> Attention Joan Tiernan OC Sample Group 2112094-2103 Reported Nov 19, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> JANALYTE Ethyl- <br /> Benzene Toluene benzene Xylenes <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst M Nipp M Nipp M Nipp M Nipp <br /> Reporting Units mg/m3 mg/m3 mg/m3 mg/m3 <br /> Date Analyzed Nov 14, 1992 Nov 14 1992 Nov 14, 1992 Nov 14, 1992 <br /> OC Sample# GBLK111492 GBLK111492 GBLK111492 GBLK111492 <br /> MS/MSD MS/MSD MS/MSD MS/MSD <br /> Sample Conc : ND ND ND ND <br /> Spike Conc <br /> Added: 10 10 10 30 <br /> Conc Matrix <br /> Spike: 10 10 10 30 <br />' Matrix Spike <br /> % Recovery: 100 100 100 100 <br /> Conc. Matrix <br /> Spike Dup.: 10 10 10 20 <br />' Matrix Spike <br /> Duplicate <br /> % Recovery: 100 100 100 100 <br /> Relative <br /> %Difference. 00 00 00 00 <br /> SEQUOIA ANALYTICAL �6 Recovery Conc of M S -Conc of Sample x 100 <br />' Spike Conc Added <br /> (_C Relative% Difference Conc of M S -Gone of M S D x 100 <br /> ria Lee (Conc of M S + Conc of M S D) /2 <br /> roject Manager 2112094 RES <4> <br />