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ENVIRONMENTAL nel c <br /> Analytical Chemists <br /> February 8, 2008 Lab ID : STK0831047 <br /> Neil Anderson &Associates Customer : 3-9574 <br /> Quality Control- Organic <br /> Constituent Method Datelm Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1.2-Dibromoethane(EDB) 504 02/04/2008:201150 Blank ug/L ND <0.02 <br /> LCS ug/L 02949 97.5% 70-130 <br /> BS ug/L 0.2949 95.1 % 70-130 <br /> BSD 119/1- 0.2949 963% 70-130 <br /> BSRPD u 0.2954 1.3% <30 <br /> 1,3-Dibromupmpane Blank ug/L 0.5896 70-130 70-130 <br /> LCS ug/L 0.5896 106% 70-130 <br /> BS ug/L 0.5896 96.9% 70-130 <br /> BSD ug/L 0.5896 98.7% 70-130 <br /> BSRPD I u 0.2954 1 1.8% <_30 <br /> 13DBP 504.1 02/04/2008:201380rBS <br /> ug/L 10.02 112% 70.130 <br /> u 10.02 103% 70-130 <br /> DBCP 504 02/04/2008:201150 ug/L ND <0.01 <br /> ug/L 0.2949 95.5% 70-130 <br /> ug2 0.2949 912% 70-130 <br /> ug/L 0.2949 94.5% 70-130 <br /> u 0.2954 3.7% <30 <br /> 504.1 02104/2008:201380 ug/L 5.000 97.6% 70-130 <br /> u 10.00 105% 70-130 <br /> CDB ug/L 5.000 100% 70-130 <br /> I ugfL 0.00 100% 1 70-130 <br /> Definition <br /> CCV :Continuing Calibration Verification- Analyzed to verify the instrument calibration is within criteria. <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 recovery. <br /> BS :Blank Spikes-A blank is spiked with a known amount of analyte. It is prepared to verify that the preparation process is not <br /> affecting analyte recovery. <br /> BSD :Blank Spike Duplicate of BS/BSD SD pair-A blank duplicate is spiked with a known annumof analyte. It is prepared to verify <br /> that the preparation process is not affecting analyte recovery. <br /> BSRPD :BS/BSD Relative Percent Difference(RPD)-The BS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Non-detect-Result was below the DQO listed for the analyte. <br /> D O :Data Quality Objective-This is the criteria against which the quality control data is compared. <br /> Corporate ORlces b Laboratory Office 8 Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Linda Avenue Visalia.CalRomia <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 TEL:559/734-9473 <br /> TEL:805/392-2000 TEL 209/9424182 TEL:530n,135818 Mobile:559/737-2399 <br /> FAX 805/525-0172 17AX:209/942-0423 FAX-5301M3-3807 FAX:559/7348435 <br /> CA NEI-10c Correction No.01110CA CA EI-AP Certification No.1563 CA EI-AP Certification No.2670 <br />