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Analytical Chemists <br /> July 1, 2009 Lab ID : STK0935644 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> Constituent Method Date/ID Type I Units Conc. QC Data DQO Note <br /> jOrganic <br /> 1,2-Dibmmoethane(EDB) 504 0613012009:206832 Blank ug/L ND <0,02 <br /> LCS ug/L 0.2950 104% 70-130 <br /> BS ug/L 0.2950 94.3% 70-130 <br /> BSD ug/L 0.2950 98.5% 70-130 <br /> BSRPD a 0,2950 4.3% 1 <30 <br /> 1,3-Dibromopropane 504 06/30/2009:206832 Blank ug/L 0,5896 99.6% 70-130 <br /> LCS ug/L 0.5896 96.8% 70-130 <br /> BS ug/L 0,5896 82.7% 70-130 <br /> BSD ug/L 0.5896 98.7% 70-130 <br /> BSRPD u 0,2950 17.6% S30 <br /> BCP 504 0613012009:206832 Blank ug/L ND X0.01 <br /> LCS ug/L 0.2950 104% 70-130 <br /> BS uglL 0.2950 100% 70-130 <br /> BSD ug/L 0.2950 99.5% 70-130 <br /> BSRPD u 0.2950 0.6% <30 <br /> 13DBP 504.1 06/3012009:208431 CCV ug/L 10.02 88.2% 70-130 <br /> CCV 1191L 10.02 113% 70-130 <br /> i BCP 504.1 06130/2009:208431 CCV ug/L 5.015 105% 70-130 <br /> CCV yL 5.015 102% 70-130 <br /> DB 504.1 06130/2009:208431 CCV u91L 5.015 112% 70-130 <br /> CCV u 5.015 1 106% 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.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.1t is prepared to verify that <br /> the preparation process is not affecting analyte recovery. <br /> BSRPD :BSBSD 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 /> O :Data Quality Objective-This is the criteria a ainst which the quality control data is com <br /> I <br /> I <br /> I <br /> Page 6 of 7 <br /> Corporate Offices 8 Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Lindo Avenue Visalia,California <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 TEL:5591734-9473 <br /> TEL:805/392-2000 TEL:209!442-0182 TEL:530/343-5818 Mobile:559837-2399 <br /> FAX:8051525-4172 FAX:2091942-0423 FAX:530/343-3807 FAX:5591734-8435 <br /> CA NE LAP Certification No.0111 OCA CA ELAP Certification No.1563 CA FLAP Certification No.2670 <br />