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� f4 N I EN Inc <br /> Analytical& Environmental Chemistry <br /> MATRIX SPIKE REPORT-WATER <br /> Client Project/I D 3374 50 HEINZ <br /> Laboratory l D 6301-02W MS/MSD <br /> Batch I D 0706-12 D <br /> Concentration of sample and spikes expressed as ug/L (ppb) <br /> Sample Spike MS MSD MS MSD %Rec RPD <br /> ANALYTE Conc Added Conc Conc %Rec %Rec RPD Limits Limits <br /> Methyl-tert-Butyl Ether 009 800 76 74 94% 92% 2% 53-139 16 <br /> Benzene 000 400 39 3 9 98% 98% -11% 61-125 18 <br /> Toluene 003 400 4 0 4 0 99% 99% -1% 63-121 16 <br /> Ethylbenzene 003 400 41 4 1 101% 101% 0% 60-123 17 <br /> m,p-Xylenes 008 400 4 0 4 0 99% 99% 0% 60-127 14 <br /> o-Xylene 004 400 41 4 1 101% 102% -1% 58-128 25 <br /> Surrogates <br /> a,a,a-TFT(FID) 85% 95% 91% 58-127 <br /> 4-BFB(FID) 91% 97% 94% 55-151 <br /> 4-BFB(PID) 111% 105% 110% 68-137 <br /> * = Values outside of QC limits <br /> RPD 0 out of 6 outside limits <br /> Spike Recovery 0 out of 12 outside limits <br /> 0 <br /> 455 RESERVATION ROAD, SUITE G o MARINA, CA 93933 0 (831) 883-0123 o� MS IX X31 8830._122 <br /> recych d papa <br />