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f <br /> Projort Number: SF3-175-0204.72 <br /> ,.� Consultant Project Number: 16000-206.044 <br /> Contract Nurbor: N46CWCO244-9-% <br /> Facility Number: 9-6465 f <br /> �. work order Number: D003334 f <br /> Report Issue Date: Hatch 20, 1990 <br /> Table 4 <br /> INITIAL CALIBRATION <br /> VERirICAT10N STANDARDS RESULTS <br /> Organic Lead in Soil by flame AA <br /> EPA method 7420 <br /> Date of Analysis: 03/14/90 <br /> :nitlal Calibration Verification Standard <br /> Exp-cted Result, OUserved Result, Acceptability <br /> Analyte ag/L ag/L Rewvery, % Limits, X1 <br /> Organic Lead 0,600 0.580 5+7 80 - 120 <br /> i = Acceptability limits are derived from the 99%confidence interval of all samples during the <br /> previous quarter. <br /> Table 4a <br /> Lul <br /> INITIAL CALIBRATIOR <br /> VERIFICATION STANDARDS SOURCE <br /> v Organic LeadEPA method 7420 <br /> 0Flame AA <br /> Initial Calibration Verification Standard <br /> Analyte Lot Number Source <br /> Organic Lead AK215 _ spectrum <br /> h <br /> w <br /> GTEL Concord, CA Pagp 4 of 5 <br /> 000334.DOC B� 7 E L <br /> - • E N V 17 o N 1.1 E 11 m A L <br /> lAlDaAmO R1i 5. INC <br /> I ' <br /> 411Y <br />