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IR <br /> Project A'umber: SFO-175-020..72 <br /> Consultant Projett hiu:ber: 203-175-3284 <br /> Cor:tract timber: k46CWCD244-9•X <br /> Facility Number: 9-0342 <br /> Mork Order Number: 9002238 <br /> Report Issue Date: February 15, 1990 <br /> CA Conformance Summary <br /> 0-ganic Lead in Soil by Flame AA <br /> EPA Method 7420 <br /> 1.0 Olenks <br /> The method blank was below the detection limit as shown in Table 2. <br /> z.a <br /> The range of concentrations of the initial instrument calibration are shown in Table 3. <br /> 3.0 Catlbration Verification Standards <br /> 3.1 The control limits were met for the initial calibration verification standard (1C7S) as shown <br /> in Table 4. <br /> 3.2 The control limits were met for the continuing calitre-lon verification standard (CCW1 as <br /> shown in Table 4. <br /> --� 4.0 SMMIe D l(cate Precision <br /> Relative percent difference criterian was mat for the sample duplicete as shown in Table S. <br /> 5.0 ;;emote (iandlina <br /> 5.1 Seapte handling and holding time criteria were met for all samples. <br /> S.% There were no exceptional conditions requiring dilution of samples. <br /> 71 <br /> T ''TEL Concord, CA - — Page 3 of 6 - <br /> 0002238.D0C <br /> F GTEL <br /> ENVIRONMENTAL - <br /> 1ASORATORIES. INC <br /> is - - <br />