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I BC <br />L . 1/LLboratorie.7f Inc B C LABORATORIES <br />QUALITY CONTROL REPORT <br />(Precision <br />& Accuracy) <br />LAWRENCE LIVERMORE NATIONAL LABORATORY <br />Date of Report: 01/03/2003 <br />• <br />Sample Matrix: OT - Other <br />P.O. BOX 808, L629 <br />QC Batch ID: 200305283-1-TPH <br />LIVERMORE, CA 94551 <br />TSG DMT, L-629 <br />Samples Affected: 03-05283-1 <br />Accuracy <br />' <br />MS <br />MSD <br />Precision <br />'I Sample <br />MS MSD <br />Spike <br />Spike <br />ISpike I Control I MS I MSD ( <br />Control <br />IlConstituents JQC Sample ID Result ( <br />Result I Result <br />Level <br />J Level <br />Units <br />JR.P.D.1 Limits it Rec I8 Rec <br />Limits <br />UTotal Petroleum <br />0 Hydrocarbons (diesel) (Baked Soil 1 2 I <br />15.26 1 12.73 <br />1 16.34 <br />1 16.45 <br />Imo/kg <br />1 24 I 301 97. 1 77. _�_ <br />54 - 1191 <br />107. 1103. <br />58 1201 <br />USurrogate t Recovery (MS/MSD ( <br />, <br />: <br />n <br />u � <br />_ 1 <br />MS Matrix Spike; MSD Matrix Spike Duplicate; RPD <br />= Relative Percent <br />Difference <br />Quality Control Officer <br />Danette Bohm <br />All <br />results listed in this report are for the exclusive use of the submitting party. <br />BC Laboratories, Inc. assumes no <br />responsibility <br />for report alteration, separation, detachment or third party interpretation. <br />41 on Atlac C:nurt * RakarcfiPIH C:A cs.,;nR * (RR11 <br />R77..4G11 * <br />Fax (AA1) 197_141A * <br />vA4/w hrlahc rnm <br />