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OCT—C�1-2t�F�2 lb :-54 HI'1 L1074b44kOlt0 t—. 4b <br /> July 30, 2002 Lab ID : STK233284 <br /> Keystone Automoti Industries, Inc. Customer : 3-12628 <br /> Quality Control - Inorganic <br /> Constituent Method_ — Date/Ill Type _ Units Conc. QC Data DQO Note <br /> Metals <br /> 7M 305019 U6/27/201)2:A209 LCS mgikg 40.00 99.3% 85.115 <br /> PDS mg/kg 40.00 91.3% 75-125 <br /> MS utgikg 40.00 98.U% 75.125 <br /> (SP '205892-01) MSD mg/kg 40.00 82.9% 75.125 <br /> MSRI'D mg/kg 9.4% 320 <br /> Wills 06I28(20U2:A IU-CCB mgil. ND <0.02 <br /> 10-CCV tngit. 0.5000 97.7% 90-110 <br /> 11.CCQ mM;L ND <.0.02 <br /> 11-CCV nig/L 0.5000 97.2% 90-110 <br /> Dertnitiotw <br /> Blank Method 91an - Prepared to verify that the preparation pruccss is not contributing contamination to the samples. <br /> LCS Laboratory C ntrol StandcucllSamplc - Prepared to verify that the preparation process is not affecting arwlyte <br /> recovery. <br /> PDS Post Digestio i Spike pCj)tCI'AA) <br /> MS%MSD Matrix Spike. - A random sample Is spiked with s knnwn amount of amilyie. The recoveries are an indication o <br /> how shut si nple matrix affect.% analyte recovery. <br /> ICD Initial Calibr.tion Blank - Analyzed to verify the Instntment baseline is within criteria. <br /> ICV Initial Cailb tion Ver111cation Analyzed to verify the instrument calibration is within criteria. <br /> CCD Continuing C libration Blank - Analyicd to verify the instrument baseline is within criteria. <br /> CCV Continuing C libration Verification - Analyzed to verify the insuwncni calibration is within criteria. <br /> ND Non-detect - Result was below the DQO listed for the analyte. <br /> �jr <'A : High Sample Background - Spikc conccnlration was Ices thus ane forth of the sample concentration. <br /> DQO Dart Quality Objective - This is the criteria against which the quality control data is compared. <br /> STK233284: Quality Control Page 3 <br />