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o Superior Precision Ana/ytica/, Inc. <br /> W 825 Arnold Drive, Suite 114 ■ Martinez, California 94553 ■ (510) 229-1512/fax (510) Z29 1526 <br /> C E R T I F I C A T E O F A N A L Y S I S <br /> LABORATORY NO. : 87656 DATE RECEIVED: 01/19/93 <br /> CLIENT: Kleinfelder DATE REPORTED: 01/27/93 <br /> CLIENT JOB NO. : 24-220222-A00 DATE SAMPLED: 01/19/93 <br /> ANALYSIS FOR TOTAL LEAD <br /> by SW-846 Method 6010 ~ <br /> LAB Concentration (mg/Kg) <br /> # Sample Identification Total Lead <br /> 4 74228 5 <br /> 7 74231 ND<5 <br /> mg/kg - parts per million (ppm) 2 ., <br /> Method Detection Limit for Lead in Soil 5 mg/kg APR O 5 . <br /> LNVIRONNtNTAL HEALTi <br /> QAQC Summary: MS/MSD Average Recovery 87/890-. pRIIT/5Cf�Vlf✓� <br /> Duplicate RPD : 201 <br /> Richard Srna, Ph.D. <br /> 1 <br /> Laboratory Manage\ J <br /> Certified Laboratories <br />