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_ LJ 1 1 Y i L 1`J 1 11 L LJ` L L 11J <br /> me <br /> NNW/ <br /> A kLYTICAL CHEMISTS <br /> April 05, 2001 Lab ID : STK131296 <br /> Mokelumne River School Customer : 3-13068 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type Units Conc. I QC Data I DQO=No <br /> DBCP 504 03/29/2001:A203 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2941 117% 70-130 <br /> BS ug/L 0.2941 11696 70-130 <br /> BSD ug/L 0.2941 115% 70-I30 <br /> BSRPD ug/L 0.9% 530 <br /> 504 03/27/2001:A 05-CCV ug/L 10.00 I 109% I 70-130 <br /> 06-CCV ug/L 5.000 101% 70-130 <br /> 1.3-Dibromopropane-Surrogare 504 03/29/2001:A20� Blanc, ug/L .1.161) 108% 70-130 <br /> LCS ug/L 1.169 110% 70-130 <br /> BS ug/L 1.169 116% 70-130 <br /> BSD ug/L 1.169 115% 70-130 <br /> 504 03/2712OOI:A 05-CCV ug/L 29.82 I 103% I 70-130 <br /> 06-CCV ug/L 19.88 99.0% 70-130 <br /> 4-Bromorluorobenr^ne-Surrogate 524.2 03/28R001:A209 Blank ug/L 10.00 87.1% 70-130 <br /> BS ug/L 10.00 85.4% 70-130 <br /> BSD ug/L 10.00 89.0% 70-130 <br /> 524.2 03/28/2001:A 00-CCV ug/L 10.00 88.8% I 70-130 <br /> 1.2-Dichlorobenzene-d4•Surrogatc 524.2 03/28/2001:A209 Blank ug/L 10.00 10196 70-130 <br /> BS ug/L 10.00 98.496 70-130 <br /> BSD ug/L 10.00 98.1% 70-130 <br /> 524.2 03/28/2001:A 00-CCV ug/L 10.00 98.5% 7D-130 <br /> Methyl ten-Butyl Ether (MTBE) 524.2 03/28/2D01:A209 Blank ug/L ND <3 <br /> BS ug/L 10.00 78.7% 64-139 <br /> BSD ug/L 10.00 85.0% 64-139 <br /> BSRPD ug/L 0.63 53.00 <br /> 524.2 1 03f28/2001:A 100-CCV I ug/L 10.00 97.3% 1 70-130 <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 /> r_covery. <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 /> 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 /> STK131296: Oualiry Control Page 1 <br /> Corporate Offices&Laboratory Office b Laboratory Field Office <br /> PO Box 272/853 Cor 2500 Stagecoach Road Visalia.CA <br /> Sarna Paula.CA 93061-0272 Street Stockton,CA 95215 <br /> TEL 559/734-9473 <br /> TEL 805/659-0910 TEL 209/942-0181 FAX: 559/734.8435 <br /> FAX:805/525-4172 FAX: 209/942-0423 Mobile:559/737-2399 <br /> CA NELAP Certification No:1573 CA ELAP Certification No:1563 <br />