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. r <br /> r' <br /> MATRIX ENVIRONMENTAL LABORATORIES <br /> 3017 KILGORE ,ROAD 9100 RANCHO CORDOVA CA 95742 PHONE(916) 635-3962 FAX(916)635-9331 <br /> ANALYSIS TPH-GASOLINE SPIKE SUMMARY <br /> CLIENT Helmick & Lerner, Inc. <br /> CONTACT D. Nakamoto Date Sampled N/A <br /> CDC No 4387 Date Received N/A <br /> Project No HLI 10101 Date Extracted NIA <br /> Sample ID N/A Date of Analysis 4/3/94 <br /> Lab ID MS/MSD Matrix WATER <br /> CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY <br /> ug/L MS MSD MS MSD RPD <br /> (ppb) <br /> p 0 <br /> GASOLINE 910 917 943 101% 104% 3% <br /> MS= MATRIX SPIKE <br /> MSD= MATRIX SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> CONC= CONCENTRATION <br /> I <br />