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fA <br /> Y,. <br /> project Number: SFS-175,0'204.72 <br /> Consultant Protect Number: 1600206.044 <br /> Contract Number; N46CWC:0244.9•X <br /> Facility Number: M465 <br /> Wort:order Number: 0004160 <br /> Report Issue Data: April 13,1990 <br /> Table 4 <br /> INITIAL <br /> VER CAT ON STAND RDS RIESULI SN <br /> Organic Lead in Soil by Flame ILA <br /> EPA Method 7420 <br /> Date of Analysis: 04/09/90 <br /> Initial Calibration Verification Standard <br /> Acceptability <br /> Expected Result, Observed Resu[:, , <br /> Analyte mg/L mg/L Recovery,0% Limits,%I <br /> 0.600 0.569 95 80-120 <br /> Or anic Lead_ - <br /> Continuing Calib anon Verification Standard <br /> " Expected Result, Observed Result, Acceptability <br /> Analyte mg/L mg/L Recovery,p10 Limits,%1 <br /> k..,� y <br /> organic Lead 0.400 r 0.398 99 80-120 <br /> Acceptability limits are derived from the 99%confidence interval of all samples during <br /> the previous quarter. <br /> p. <br /> Table 4a <br /> .� <br /> INITIAL. <br /> VERIFICAT ON S ANIDRS S0U CEN <br /> + Organic Lead in Soil by Flame AA <br /> EPA Method 7420 <br /> �. Initial Calibration Verification Standard <br /> Analyte <br /> Lot Number Source <br /> Or anic Lead <br /> AK215 SPECTRUM <br /> Continuing Calibration Verification Standard <br /> Analyte <br /> Lot Number Source <br /> I <br /> Organic Lead <br /> AK2:5 SPECTRUM <br /> Lr <br /> ti GTEL Concord,CA Page a of 5GTEL <br /> 0004160.000 i <br /> LA10RONME. ONC <br /> Lx EOXAIORIl S. IraG <br /> l <br /> W <br />