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_ H 10E04 <br /> ENVIRONMENT off= <br /> Analytical Chemists <br /> February 4, 2009 Lab ID : STK0930989 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> Constituent Method Datew Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1,2-Dibromoethane(EDB) 504 01/30/2009:201044 Blank ug/L NO <0.02 <br /> LCS ug/L 0.2949 90.2% 70-130 <br /> BS ug/L 0.2949 88.6% 70-130 <br /> BSD ug/L 0.2949 90.6% 70-130 <br /> BSRPD U91L 0.5896 2.2% 530 <br /> 1,3-Dibromopmpme z01 01/30/2009:201044 Blank ug/L. 0.5896 98.0% 70-130 <br /> LCS ug/L 0.5896 97.4% 70-130 <br /> BS ug/L 0.5896 97.0% 70-130 <br /> BSD ug/L 0.5896 98.5% 70-130 <br /> BSRPD u 05896 1.5% 5530 <br /> BCP 504 01/30/2009:201044 Blank uglL NO <0.01 <br /> LCS ug/L 0.2949 81.6% 70-130 <br /> BS ug(L, 0.2949 80.6% 70-130 <br /> BSD ug/L 0.2949 84.6% 70-130 <br /> BSRPD u 0.5896 - 4.8% <_30 <br /> ]3DBP 504.1 01/31/2009:201368 CCV ug(L 10.02 90.3% 70-130 <br /> CCV u 10.02 98.0% 70-130 <br /> BCP 504.1 01/31/2009:201368 CCV ug(L 5.015 78.8% 70-130 <br /> CCV u 10.03 83.5% 70-130 <br /> DB 504.1 01/31/2009:201368 CCV ug(L 5.015 83.7% 70-130 <br /> CCV u 10.03 86.9% 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.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 DOC,listed for the analyte. <br /> DOC, :Data Objective-This is the criteria against which the quality control data is compared. <br /> Page 7 of 8 <br /> Corporate Offices&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Road 563 E.Undo Avenue Visalia,California <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chico,CA 95926 TEL 5591734-9473 <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 559034-8435 <br /> CA NELAP Certification No.01110CA CA ELAP Certification No.1563 CA ELAP Certification No.2670 <br />