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Acca, <br /> ENVIRONMbriTAL v 1CC prp' <br /> Analytical Chemists <br /> April 22, 2009 Lab ID : STK0933467 <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-Dibromcethane(IDB) 504 04/21/2009:204099 Blank ug(L ND <0.02 <br /> LCS u9/1, 0.2949 105% 70-130 <br /> BS ug/L 0.2949 108% 70-130 <br /> BSD ug/L 0.2949 107% 70-130 <br /> 13SRPD u 0.5896 0.2% _<30 <br /> 1,3-Dibromopropane 501 04/21/2009:204099 Blank ug(L 0.5896 94.1% 70-130 <br /> LCS ug(L 05896 95.4% 70-130 <br /> BS ug(L 0.5896 109% 70-130 <br /> BSD ug/L 0.5896 98.7% 70-130 <br /> BSRPD a 0.58% 9.9% <_30 <br /> BCP 504 04/21/2009:204099 Blank ug(L ND <0.01 <br /> LCS ug/L 0.2949 110% 70-130 <br /> BS ug/L, 0.2949 112% 70-130 <br /> BSD ug/L 0.2949 115% 70-130 <br /> BSRPD u 05896 2.6% <30 <br /> 13DBP 504.1 04/21/2009:205025 CCV ug/L 10.02 94.8% 70-130 <br /> CCV ugIL 10.02 101% 70-130 <br /> BCP 504.1 042112009:205025 CCV 119/1- 5.015 ill% 70-130 <br /> CCV u 5.015 118% 70-130 <br /> DB 504.1 04/21/2009:205025 CCV ug/L 5.015 109% 70-130 <br /> CCV u 5.015 107% 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.Itis 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 that <br /> >. 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 /> ses <br /> V <br /> rr� <br /> Page 6 of 7 <br /> ` Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 653 Corporation Street 2500 Stagecoach Road 563 E.UndoAvenue Visalia,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 Mobile:559/737-2399 <br /> ` FAX:805/525-4172 FAX:209/942-0423 FAX:530/343-3807 FAX 5597734-8435 <br /> CA NELAP Certificatbn No.01110CA CA ELAP Certification No.1563 CA ELAP Certification No.2670 <br />