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A6CpgC <br /> i ✓ 4 <br /> y== ENVIRONMENTALt _ <br /> Analytical Chemists <br /> April 1,2010 Lab ID : STKI032302 <br /> Dan Costa,Ine. Customer -. 3-16726 <br /> Quality Control- Organic <br /> Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> Organic <br /> 1,3-Dibrumopropane 504 03119/2010:202786 QMDL ug/L 0.5868 99.9%. 70-130 <br /> Blank ug/L 0.5868 109% 70-130 <br /> LCS ug/L 0.5868 103% 70-130 <br /> MS ug1L 0.5868 91.7% 70-130 <br /> (STK1032097-001) MSD ug/L 05868 88.8% 70-130 <br /> MSRPD I ug/L 0.586$ 3.2% 1 SLO <br /> SCP 504 03/19/2010:202786 QMDL ug/L 0.01000 124% 50-150 <br /> Blank ug/L ND <0.01 <br /> LCS ug/L 0.2950 89.1% 70-130 <br /> IVIS 1191L 0.2950 77.2% 70-130 <br /> (STKi032097-001) MSD ug/L 0.2950 76.2% 70-130 <br /> MSRPD ug/L 0.5868_ 1.3% S30 <br />` 13DBP 504.t 03170720!0:203221 CCV ug/L 9.976 105% 70-130 <br /> CCV all., 9.976. 107% 1 70-130 <br /> BCP SO4.1 I 0312012010:203221 CCV ug/L 5.015 96.1% 70-130 <br /> CCV ug/L 10.03 88.6% 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 contammation 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 analyzed.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery_ <br /> MSRPD :MSIMSD Relative Percent Difference(RPD)-The MS relative percent difference is an indication of precision for the preparation <br /> and analysis. <br /> ND :Nou-detect-Result was below the DCVO listed for the analyte. <br /> D O :Data Quality Objective-This is the criteria against which the quality control data is compared. <br /> Page 6 of 7 <br /> ■ iii i r nu.rnn� <br /> Corporate Offices&Laboratory Office&Laboratory Office&L26vratmy field Office <br /> 14 853 Corporation Street 25M Stagecoach Road 563 E.Undo Avenue Visalia,Cal"rfomia <br /> I Santa Paula,CA 9306U Stockton,CA 95215 Chico,CA 95926 TEL:559/734-9473 <br /> TEL:8051392-20M TEL'2091942-0182 TEL:5301343-5816 MoNie:559/x'37-2399 <br /> FAC:8051525-4172 FAX:2091942-0423 FAX:530/3433807 FAX:559173448435 <br /> l <br /> CA NELAP Cecation No.0111 OCA CA EL-AP 0a ification No.1563 CA ELAP Certifrc tion No.2670 <br /> Ii <br /> t <br />