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Ego <br /> i� <br /> ENKRA IENrAL <br /> 1 CHEMICALANALYSIS = LABORATORIES, INC. <br /> I ~S J.J.£GLIM,REG.CHEM.ENGR. <br /> FETR01fUV <br /> 4100 PIERCE RD., BAKERSFIELD,CALIFORNIA 93308 PHONE 327-4911 <br /> 3 <br /> B'FX/TPH DIESEL <br /> !A Quality Control Data <br /> Water Work BTX Spike ID: 8333-6 <br /> 1710 Main St TPH Spike ID: 8282-1 <br /> Escalon, CA 95320 Analysis Date: 24-fact--89 <br /> Attention: Robert Juncal Units: ug/g <br /> f.� rjuality Control <br /> for Lab Nos; 3232-1, 8282-2, 8282-3, 8282--4, 8282-5 <br /> s� <br /> { One sample in twenty is selected as a representative matrix which is <br /> spiked. The percentage recovery {% Rec) o£ the spike is a relatives_ <br /> I.., as of the accuracy of the analysis. The comparison of the spike <br /> f'. with a duplicate spike is a measure of the relative precision of the <br /> armalysis. <br /> i' Conc. Conc. Dup <br /> is in Spiky Added to Spike Spike Spike <br /> Constituent Sample Spike Rec :� Rec RFD <br /> r <br /> -------- ---- <br /> r <br /> -------------------------------_------------------------- <br /> f- <br /> Benzene 0.00 5.02 85.95 33.74 2.60 <br /> i , Toluene 0.00 5.16 88.29 84.99 3.81 <br /> f Ethyl Benzene 0.00 5.01 90.26 87.13 3.47 <br /> t p-Xylene 0.00 5.06 89.13 85.95 3.69 <br /> m-Xylene 0.00 5.01 92.78 89.68 3.40 <br /> o-Xylene 0.00 5.00 89.07 36.90 2.47 <br /> l TPH Diesel 0.00 100.01 99.05 92.67 . 6.66 <br /> t-3 <br /> t5 QC Corm ents: <br /> Spiked :ample Concentration - r,,zneSample_ er•`.ration <br /> X.inO <br /> ---------------- <br /> (Concent-ration of Spike) <br /> ) <br /> E <br /> j., RPD (Relative Percent Difference) _ <br /> Spiked Sample Conc. - Spiked Duplicate aample Canc. <br /> ---------------------------------------------------- X 100 <br /> (Avera>;'� Concentration of Spikes) <br />