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Project Number: SFB-175-0204,72 <br /> Consultant Project Number: 203175-324f q l <br /> Contract Number: N46CWCO2449-X <br /> Facility Number: 9-0557 <br /> Work Order Number: D005262B <br /> Report Issue Date: May 17, 1990 <br /> DA Conformance Summary <br /> Organic Lead in Soil by Flame AA <br /> EPA Method 7420 <br /> 1.0 Blanks <br /> The method blank was below the detection limit as shown in Table 2. <br /> 2.0 Initial Instrument l i r t i n <br /> The range of concentrations of the initial instrument calibration are shown in Table 3. <br /> 3.0 Qallhratlon VerfficatiQn Standard§ <br /> 3.1 The control limits were met for the initial calibration verification standard (ICVS) as shown in <br /> Table 4. <br /> 3.2 The control limits were met for the continuing calibration verification standard (CCVS) as <br /> shown in Table 4. <br /> 4.0 -Sample Duplic t Pr l i n <br /> Relative percent difference criterion was met for the sample duplicate as shown in Table 5. <br /> 5.0 Sample-Handling <br /> 5.1 Sample handling and holding time criteria were met for all samples. <br /> 5.2 There were no exceptional conditions requiring dilution of samples. <br /> GTEL Concord,CA Page 2 of 6 <br /> D005262B.DOC <br /> IGTEL <br /> E N V I RON PA E NTAI <br /> LABORATORIES. INC. <br />