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'January 04, 2005 Lab ID STK438539 <br /> San Joaquin County Solid Waste Customer : 3-2956 <br /> Quality Control - Organic <br /> Constituent Method Date/1D Type Units Conc. QC Data DQO Note <br /> TPH-Gas 8015M-G 12/14/2004:A230 Blank mg/L ND <0.05 <br /> MS mg/L 5.000 99.0% 77-119 <br /> (SP 412912-01) MSD mg/L 5.000 99.2% 77-119 <br /> MSRPD mg/L 0.2% :514.5 <br /> 8015M-G 12/14/2004:A 00-CCV mg/L 5.000 102% 85-115 <br /> 01-CCV mg/L 5.000 98.4% 85-115 <br /> Diesel 8015M-D 12/11/2004:A229 Blank mg/L ND <0.5 <br /> LCS mg/L 26.32 96.1% 71-125 <br /> BS mg/L 26.32 99.1% 75-130 <br /> BSD mg/L 26.32 95.7% 75-130 <br /> BSRPD mg/L 3.4% :_25.2 <br /> 8015M-D 12/12/2004:A 00-CCV mg/L 1000 99.7% 85-115 <br /> 01-CCV mg/L 1000 90.4% 85-115 <br /> TOC 5310 C 5310C 12/14/2004:A234 Blank mg/L ND <0.5 <br /> BS mg/L 50.00 102% 75-114 <br /> BSD mg/L 50.00 109% 75-114 <br /> BSRPD mg/L 6.7% <_23 <br /> 5310C 12/14/2004:A 00-CCV ppm 50.00 95.6% 76-119 <br /> 01-CCV ppm 50.00 102% 76-119 <br /> Definitions <br /> Blank Method Blank - Prepared 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 matrix affects analyte recovery. <br /> BS/BSD Blank Spikes - A blank is spiked with a known amount of analyte. It is prepared to verify that the preparation <br /> process is not affecting analyte recovery. <br /> Dup Duplicate Sample - A random sample with each batch is prepared and analyzed in duplicate. The relative percent <br /> difference is an indication of precision for the preparation and analysis. <br /> CCB Continuing Calibration Blank - Analyzed to verify the instrument baseline is within criteria. <br /> CCV Continuing Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <br /> ND Non-detect - Result was below the DQO listed for the analyte. <br /> DQO Data Quality Objective - This is the criteria against which the quality control data is compared. <br /> STK438539: Quality Control Page 6 <br />