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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 I <br /> i <br /> r ! <br /> RESNA `Esca]on< , Client Project ID. WO4801, :PG&E Siockfon Service Ctr: <br /> 1710 Main Street <br /> Escalon, CA 95320 <br /> Attention Lois Frantz OC Sample Group: <br /> 3 <br /> . ... .... ......�... w <Y012035 Q � Reported, Jan 24, 1943 <br /> i <br /> QUALITY CONTROL DATA REPORT <br /> ANAL Ethyl- Extractable Oil 1260 P B <br /> Benzene Toluene Benzene X tines Hydrocarbons Grease <br /> Method; EPA so20 EPA 8020 EPA 8020 EPA 8020 EPABois SM5520E&F EPA 800 <br /> Analyst: BAIT BAN B.AIi 8.0 C.Lee M_Shkidt LLaikhtman <br /> Reporting Units: mg/kg mg/kg mg/k9 mg/kg mg/kg mg/kg Ng/kg <br /> Date Analyzed: Jan 19, 1993 Jan 19, 1993 Jan 19, 1993 Jan 19; 1993 Jan 15, 1993 .tan 20, 1993 Jan 29, 1993 <br /> QC Sample#: G3012035 G3012035 63012035 G3012035 D3011734 BLK012093 301-2037 <br /> Sample Cone.: N.D. N.D. N.D. N.D. N.D. N.D. N-D. <br /> i <br /> Spike Cone. <br /> Added: 0.20 0.20 0.20 0.60 15 1000 500 <br /> Conc.Matrix <br /> Spike: 0.16 0.16 0.16 0.47 12 950 500 <br /> Matrix Spike <br /> % Recovery: 80 80 80 78 80 95 100 <br /> Conc. Matrix <br /> Spike Dup.: 0.16 0.15 0.16 0.46 12 890 740 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 80 75 80 77 1 80 89 150 <br /> Relative <br /> % Difference: 0.0 6.5 0.0 2.21 0.0 6.5 39 <br /> I <br /> SEQUOIA ANALYTICAL %Recovery-, C07.of M-S,-Conc.Of Sample x 700 <br /> Spike Conc.Added <br /> Relative%Difference: <br /> rl L Conc,of M.S. Conn of M.S.D. x 100 <br /> roject Manager (Conc,of M.S. + Cdnc.of M.S.D.) 2 <br /> j 301-2035.WAT <17> <br /> I <br /> BT 'd -1uoiiA-idifd uicn03S 8S:T T EG, SZ Nef <br /> I <br />