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ENVIRONMENTAL <br /> Analytical Chemists <br /> July 25,2014 Lab ID : STK 1436914 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control - Organic <br /> onstituent Method Date/lD Type Units Conic. QC Data DQO Note <br /> rganic <br /> 1.2-Dibromoethane(EDB) 5Ua 07/19/14:2O8137SBL Blank ug/L ND <0.02 <br /> LCS ug/L 02595 93.8% 70-130 <br /> LCs ug/L 02557 98.7% 70-130 <br /> MS ug/L 02527 102% 70-130 <br /> (STK1436844-001) MSD u9/1- 0.2551 -1 A% 70-130 435 <br /> MSRPD u 05987 195% _<30 1 435 <br /> 1 1-Dibrorttopropane 5(9 07/19114:208137SBL Blank ug/L 0.6038 75.7% 70-130 <br /> LCS ug/L 0.6092 74-2% 70-130 <br /> LCS ug/L 0.6002 75.1% 70-130 <br /> MS ug/L 0.5930 81.9% 70-130 <br /> (STK1436844-001) MSD ug/1- 05987 78.5% 70-130 <br /> MSRPD ug/L 05987 33% _<30 <br /> >R('11 5W 07/19/14:208137SBL Blank ug/L ND <0.01 <br /> LCS ug/L 0.2595 102% 70-130 <br /> LCS ug/L 02557 118% 70-130 <br /> MS ug/L 02527 127% 70-130 <br /> (STK 1436844-001) MSD ug/L 02551 119% 70-130 <br /> MSRPD I u 0S987 53% S-30 <br /> 13DBP 504.1 07/20/14:210730SBL CCV ug/L 7.481 71,6% 70-130 <br /> CCV ug/1- 9.975 75.3% 70-130 <br /> BCP 504.1 07120/14:210730SBL CCV ug/L 2A00 106% 70-130 <br /> CCV ugIL 5DW 972% 70-130 <br /> DB 504.1 07/20/14:210730SBL CCV ug/L 2.000 104% 70-130 <br /> CCV ug L 51") 90.6`& 70-130 <br /> DeBnitioo <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 /> MS Matrix Spikes-A random sample is spiked with a known amount of analyte.The recoveries are an indication of how that sample <br /> matrix affects analyte recovery. <br /> MSD Matrix Spike Duplicate of MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> MSRPD :MS/MSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Von-detect-Result was below the DQO listed for the analyte. <br /> Data QualitX Ob'ective-This is the criteria against which the quality control data is compared. <br /> Explanation <br /> 435 Sample matrix may be affecting this analyte.D:ua was acre ted based on the LCS or CCV recox erN. <br /> Page 6 of 7 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory Office&Laboratory <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue 3442 Empresa Drive,Suite D 9415 W.Goshen Avenue <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 San Luis Obispo.CA 93401 Visalia,CA 93291 <br /> TEL:(805)392-2000 TEL:(209)942-0182 TEL:(530)343-5818 TEL:(805)7a3-2940 TEL:(559)734-9473 <br /> Env FAX:(805)525-4172/Ag FAX:(805)392-2063 FAX:(209)942-0423 FAX(530)343-3807 FAX:(805)783-2912 FAX:(559)734-8435 <br /> CA ELAP Certification No.1573 CA ELAP Certification No.1563 CA ELAP Certification No.2670 CA ELAP Certification No.2775 CA ELAP Certification No.2810 <br />