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_ <br /> NEW" <br /> I <br /> f� <br /> Project Number. SF9-175J?i0%.72 <br /> Consultant Prolect Number: 1600-206-044 <br /> Contract Number: N46CWCO244-9•X <br /> Hr Wort,4Qrder Number [04160 <br /> Report Issue Date: April 13,IM <br /> 1 � <br /> �y <br /> j QA Conformance Summary <br /> x Organic Lead In Soil by Flame AA <br /> EPA Method 7420 <br /> r <br /> 1.0 B1.a.rtk-s <br /> 4•A <br /> i.� <br /> Tile method blank was below the detection limit as shown in Table�. <br /> }r <br /> lyt 2.0 Initial Instrument Calibration <br /> y The range of concentrai:nns of the Initial instrument calibration are shown in Table 3. <br /> t 3.0 Calibration Verification Standards <br /> 3.1 The wntrol limits were met For the;e!5a3 calibration verification standard(ICVS)as shown In <br /> Table 4. <br /> j" 3.2 The control limits were met for the continuing calibration verification standard (CCVS) as <br /> shown in Table 4. <br /> t;1 4.0 I.D EiCata Precist <br /> Relative percent difference criterion was met for the sample duplicate as shown In rable 5. <br /> is <br /> -.3 '.,,mole Handling <br /> C.1 Sample handling and holdint7 time criteria were met for all samples. <br /> r, 5.2 There were no exceptlonal conditions requiring dilution of samples. <br /> i . <br /> .._..lam:.'.,,. <br /> + GTEE.Concord.CA Page 2 01 5 <br /> } a�4,so.Doc G212 L <br /> r. <br /> - ENV 12 ON M£H[A S <br /> 1A60RArORl E7. IHC <br /> 1111��� <br />