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.a, <br /> Analytical Chemists <br /> May 28, 2008 Lab ID STK08349 t 2 <br /> Neil Anderson & Associates Customer 3-9574 <br /> Quality Control- Organic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1.2-Dibromoelhane(EDB) 504 05/24/2008:205089 Blank ug/L ND <0.02 <br /> LCS ug/L 0.2949 97.3% 70-130 <br /> BS ug/L 0.2949 94.5% 70-130 <br /> BSD ug/L 0.2949 94.4% 70-130 <br /> BSRPD uWL 0.2954 0.2% <30 <br /> 1,3-Dibromopropane Blank ug/L 0.5896 70-130 70-130 <br /> LCS ug/L 0.5896 104% 70-130 <br /> or BS ug/L 0.5896 99.0% 70-130 <br /> BSD ug/L 0.5896110% 70-130 <br /> 13SRPD u 0.2954 10.1% <30 <br /> 13DBP 504.1 05242008:205634 CCV ug/L 10.02 107% 70-130 <br /> CCV a 10.02 105% 70-130 <br /> DBCP 504 05242008:205089 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 92.2% 70-130 <br /> BS ug/L 0.2949 89.6% 70-130 <br /> BSD ug/L 0.2949 90.2% 70-130 <br /> BSRPD u 0.2954 0.7% <30 <br /> 504.1 0524/2008:205634 CCV ug(L 5.000 87.2% 70-130 <br /> CCV u 5.000 90.8% 70-130 <br /> EDB CCV ug/L 5.000 97.0% 70-130 <br /> CCV I u 5.000 1 96.8% 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 :Ldbomtory Cenral 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 ofBSBSD pair-A blank duplicate is spiked with a known amount of 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 /> DQO Data Quality Objective-This is the criteria against which the quality control data is compared. <br /> Corpora Crtlesa&Laboratory Otlioe&Laboratory orBee&Laboratory Field Cffiee <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Linda Avenue Visalia,California <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 TEL 559!134-9473 <br /> TEL:805/392-2000 TEL 209/942-0182 TEL 530/343-5818 Mobile:559n37-2399 <br /> FAX 805/5254172 FAX 209/942-0423 FAX:530/343-3807 FAX:559!1348435 <br /> CA NELAP Certification No.01110CA CA SLAP CeNfic sdon No.1563 CA EL-MP Certification No.2670 <br />