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ENVIRONMENTAL <br /> Analytical Chemists <br /> December 15, 2010 Lab ID : STK1050502 <br /> Live Oak Geo Environmental Customer : 3-16608 <br /> Quality Control- Organic <br /> Constituent Method DaWID Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1,3-Dibromopropane 504 12/07/2014:212680 Blank ug/L 05868 82.2% 70-130 <br /> LES ug/L 03868 84.3% 70430 <br /> MS ug/L 03868 84.3% 70-130 <br /> (STKI050450-001) MSD ug& 05868 89.9% 70-130 <br /> MSRPD u 0.5868 5.3% X30 <br /> BCp 504 12107/2010:212680 LMSD <br /> ug1L. ND ¢0.01 <br /> ug/L 0.2950 100% 70-130 <br /> ug/L 0.2950 99.9% 70-130 _. <br /> (STKI050450-001) ug/L. 0.2950 110% 70-130 <br /> u . 0-5868 10.090 <_30 <br /> 13DBP 504.1 12/07/2010:215687 CCVug/L 7.481 85,8%. 70-130 <br /> CCV ug/L 9.975 98.4% 70-130 <br /> CCV u 7.481 86.8% 70-130 <br /> BCP 504.1 1210712010:215687 JCCV ug/L 2.006 105% 70-130 <br /> CCV ug/L 5.015 113% 70-130 <br /> CCV t u 2.006 124% 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 /> 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 MSIMSD 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 :Non-detect-Result was below the DQO listed for the analyte. <br /> Data ality objective-This is the criteria against which the quality control data is 22ERMd- <br /> Page 8 of 9 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 583 E.Undo Avenue Visalia,California <br /> Santa Paula.CA 93080 Stockton.CA 95215 Chico,CA 95926 TEL:559/734-9473 <br /> TEL 8051392-2000 TEL:209/942-0182 TEL:5 301343-581 6 Mobile:5591737-2399 <br /> FAX:805/525-4172 FAX:2091042-0423 FAX:530!343-3807 FAX:559/734-8435 <br /> CA NELAP Certification No.0111 0G CA FLAP Certification No.1563 CA FLAP Certification No.2670 <br />