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- = ENVIRONMveNTAL <br /> nel -C <br /> Analytical Chemists <br /> June 16, 2008 Lab ID : STKO835467 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> Organic <br /> 1.2-Dibromoethane(EDB) 504 06/07/2008:205566 Blank ug/L ND <0.02 <br /> LCS 119/1- 0.2949 98.1% 70-130 <br /> BS ug(L 0.2949 95.1% 70-130 <br /> BSD ug(L 0.2949 97.1% 70-130 <br /> BSRPD u 0.5896 2.1% _<30 <br /> 1.3-Dibromopropane Blank ug/L. 0.5896 70-130 70-130 <br /> LCS ug/L 05896 117% 70-130 <br /> BS ug/L 0.5896 123% 70-130 <br /> BSD ug(L 0.5896 113% 70-130 <br /> BSRPD u 0.5896 7.8% <30 <br /> 13DBP 504.1 06/08/2008:206296 CCV ug/L 10.02 109% 70-130 <br /> CCV u 10.02 116% 70-130 <br /> DBCP 504 06/07/2008:205566 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 99.3% 70-130 <br /> BS ug(L 0.2949 94.1 % 70-130 <br /> BSD ug/L 0.2949 96.9% 70-130 <br /> BSRPD ugtL 0.5896 2.9% <30 <br /> 504.1 06/08/2008:206296 CCV ug/L 5.000 99.6% 70-130 <br /> CCV ugfL 10.00 121 % 70-130 <br /> EDB CCV ug/L 1 5.000 1 97,2% 70-130 <br /> CCV U&I 1 10.00 1 108% 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 /> LES :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 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 /> Corporate Offices&Laboratory Ofice&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.UndoAvenue Vsalia,California <br /> Santa Paula,CA 93060 Stockton.CA 95215 Chico,CA 95926 TEL:559/734-9473 <br /> TEL:805/392-2000 TEL 209/942-0182 TEL:530/343-5818 Mo1,11e:559/737-2399 <br /> FAX 805/525-4172 FAX:209/942-0423 FAX 530/343-3807 FAX:559/734-8435 <br /> CA NELAP Certification No.0111 OCA CA ELAP Certification No,1563 CA ELAP Certification No.2670 <br />