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- <br />'Superior precision Analytical, <br />Inc. <br />Q5 A,noln D•r, ;, SU It L' 1 I Martinez CAIforn . L)-�5=>33 - (5 I,) 229.1 <br />5 1"/ f,ia <br />15 10, -729 1 520 <br />C E R T I F I C A T E <br />LABORATORY NO.: 87104 <br />CLIENT: Groundwater Technology Inc. <br />CLIENT JOB NO.: 02020-3092 <br />O F A N A L Y S I S <br />DATE RECEIVED:11/05/92 <br />DATE REPORTED:11/17/92 <br />DATE SAMPLED :11/04/92 <br />ANALYSIS FOR TOTAL LEAD <br />by SW -846 Method 6010 <br />LAB <br /># Sample Identification <br />9 HW5-45 <br />mg/kg - parts per million (ppm) <br />Concentration(mg/kg) <br />Total Lead <br />-------------- <br />Method Detection Limit for Lead in Soil: 5 mg/kg <br />QAQC Summary: MS/MSD Average Recovery : 1025 <br />Duplicate RPD :3% <br />ND<5 <br />Richard Srna, Ph.D. <br />Labors 6 T Manager <br />Ccrtific-0 L,iho, Icrr,r� <br />