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-= ENVIRONMENTAL nel c <br /> Analytical Chemists <br /> September 8, 2008 Lab ID : STK0838697 <br /> Neil Anderson& Associates Customer : 3-9574 <br /> Quality Control- Organic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Organic <br /> 1.2-Dibromoethane(EDB) 504 08/30/2008:208789 Blank ug/L ND <0.02 <br /> LCS ug/L 0.2949 86.4% 70-130 <br /> BS ug/L 0.2949 86.4% 70-130 <br /> BSD ug/L 0.2949 88.2% 70-130 <br /> BSRPD u 0.2954 2.1% <30 <br /> 13-Dibromopropane u 1 08/30/2008:208789 Blank ug/L 0.5896 93.0% 70-130 <br /> LCS ug/L 0.5896 97.5% 70-130 <br /> BS ug/L 0.5896 98.5% 70-130 <br /> BSD ug/L 0.5896 99.6% 70-130 <br /> BSRPD a 0.2954 1.1% <30 <br /> 13DBP 504.1 08/31/2008:210445 CCV ug/L 10.02 98.2% 70-130 <br /> CCV ug/L 10.02 95.5% 70-130 <br /> CCV u 10.02 103% 70-130 <br /> BCP 504 08/30/2008:208789 Blank ug/L ND <0.01 <br /> LCS ug/L 0.2949 85.2% 70-130 <br /> BS ug/L 0.2949 83.4% 70-130 <br /> BSD ug/L 0.2949 83.6% 70-130 <br /> BSRPD u 0.2954 0.2% <30 <br /> 504.1 08/31/2008:210445 CCV ug/L 5.015 83.9% 70-130 <br /> CCV ug/L 10.03 92.9% 70-130 <br /> CCV u 10.03 95.2% 70-130 <br /> EDB 504.1 08/31/2008:210445 CCV ug/L 5.015 87.5% 70-130 <br /> CCV ug/L 10.03 92.7% 70-130 <br /> CCV ual 10.03 93.8% 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 DQO listed for the analyte. <br /> DQO Data Quality Objective-This is the criteria against which the quality control data is compared. <br /> Corporate Offices&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:559/734-9473 <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:559/734-8435 <br /> CA NELAP Certification No.0111OCA CA ELAP Certification No.1563 CA ELAP Certification No.2670 <br />