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i <br /> July 15, 2002 Lab ID : STK233070 <br /> Keystone Automotive I dustries, Inc. Customer : 3-12628 <br /> Quality Control - Inorganic <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> Metals <br /> Lead 3050B 06/28/2002:B209 MS mg/kg 40.00 71.7% 75-125 435 <br /> (SP 205558-01) MSD mg/kg 40.00 63.9% 75-125 435 <br /> MSRPD mg/kg 9.5% 520 <br /> 6010B 06/29/2002:A 04-CCB mg/L ND <0.01 <br /> 04-CCV mg/L 1.000 106% 90-110 <br /> 05-CCB mg/L ND <0.01 <br /> 05-CCV mg/L 1.000 105% 90-110 <br /> Nickel 3050B 06/28/2002:B209 Blank mg/kg ND <0.5 <br /> LCS mg/kg 40.00 96.5% 85-115 <br /> PDS mg/kg 40.00 81.8% 75-125 <br /> MS mg/kg 40.00 64.9% 75-125 435 <br /> (SP 205558-01) MSD mg/kg 40.00 63.8% 75-125 435 <br /> MSRPD mg/kg 0.8% 520 <br /> 6010B 06/29/2002:A 04-CCB mg/L ND <0.01 <br /> 04-CCV mg/L 1.000 103% 90-110 <br /> 05-CCB mg/L ND <0.01 <br /> 05-CCV mg/L 1.000 102% 90-110 <br /> 07/08/2002:A 01-CCB mg/L ND <0.01 <br /> j 01-CCV mg/L 1.000 99.3% 90-110 <br /> 02-CCB mg/L ND <0.01 <br /> 02-CCV mg/L 1.000 99.1% 90-110 <br /> 07/09/2002:A 00-ICB mg/L ND <0.01 <br /> 00-ICV mg/L 1.000 103% 95-105 <br /> 01-CCB mg/L ND <0.01 <br /> 01-CCV mg/L 1.000 102% 90-110 <br /> Zinc 3050B 06/28/2002:B209 Blank mg/kg ND <1 <br /> LCS mg/kg 40.00 101% 85-115 <br /> PDS mg/kg 40.00 64.8% 75-125 <br /> Ms mg/kg 40.00 45.2% 75-125 435 <br /> (SP 205558-01) MSD mg/kg 40.00 53.0% 75-125 435 <br /> MSRPD mg/kg 4.0% 520 <br /> 6010B 06/29/2002:A 04-CCB mg/L ND <0.02 <br /> 04-CCV mg/L 0.5000 105% 90-110 <br /> 05-CCB mg/L ND <0.02 <br /> 05-CCV mg/L 0.5000 104% 90-110 <br /> Explanations <br /> 435 Sample matrix may lie affecting this analyte. Data was accepted based on the LCS or CCV recovery. <br /> Definitions <br /> Blank Method Blank - P epared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS Laboratory Control Standard/Sample - Prepared to verify that the preparation process is not affecting analyte <br /> recovery. <br /> PDS Post Digestion Spike (ICP/GFAA) <br /> MS/MSD Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication o <br /> how that sample inatrix affects analyte recovery. <br /> ICB Initial Calibration Blank - Analyzed to verify the instrument baseline is within criteria. <br /> Definitions are continued on nex page... <br /> STK233070: Quality Control Page 2 <br />