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= = ENVIRONMENTAL nel C <br /> Analytical Chemists <br /> May 15, 2008 Lab ID : STK0834467 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Organic <br /> Constituent Method DateaD Type Units Cmc. QC Data DQO Note <br /> Organic <br /> l._-DibmmoethancY EDB) 504 05/08/2008:204525 Blank ug/L. ND <0.02 <br /> ILS ug/L 0.2949 98.9% 70-130 <br /> BS 119/L 02949 109% 70430 <br /> BSD ug/L 02949 111 % 70-130 <br /> BSRPD 02954 1.8% <30 <br /> I.7 Dibromopropanc Blank ug/L 05896 70-130 70-130 <br /> LCS ug/L 05896 III% 70-130 <br /> BS ug/L 0.58% 122% 70-130 <br /> BSD ug/L 058% 120% 70-130 <br /> BSRPD UPJL 02954 1.6% 5.30 <br /> 1-,DBP 504.1 05/09/2008:205002 CCV VA 10.02 110% 70-130 <br /> CCV UWL 10.02 112% 7"30 <br /> DRCP 504 OSWM08204525 Blank 11911. ND c0.01 <br /> LCS ug/L 02949 97.7% 70-130 <br /> BS ug/L 02949 102% 70-130 <br /> BSD ugIL 02949 104% 70-130 <br /> BSRPD a 02954 1.7% <30 <br /> 504.1 05/092008205002 CCV ug/L 5.000 99.8% 70-130 <br /> CCV u 10.00 126% 70.130 <br /> EDB CCV ug/L 5.000 982% 70-130 <br /> CCV u 10.00 107% 70430 <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 /> LLS :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 in verify that the preparation process is not <br /> affecting analyte recovery. <br /> BSD : Blank Spike Duplicate of BSBSD pair-A blank duplicate is spiked with a known amount of analyte.. It is prepared to verify <br /> that 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 /> N D :Non-detect-Result was below the DQO fisted for the analyte. <br /> DQO :Data Quality Objective-This is the criteria against which the quality control data is coon <br /> Corporate OfOcea&Laboratory Office&Laboratory Office&Laboratory Field Office <br /> 853 Corporation Street 2500 Stagecoach Roed 563 E.Undo Avenue Visalia.California <br /> Santa Paula,CA 93060 Stocidon.CA 95215 Chico.CA 95926 TEL 559!/34-9473 <br /> TEL 805/392-2000 TEL 209/942-0182 TEL 530rW4 Sli 18 Mobile:5591737-2399 <br /> FAX 80 5/52 541 72 FAX:209/942-0423 FAX 5307343-3807 FAX 559834-8435 <br /> CA NELAP Cemfc.itioo No.0111OCA CA ELAP Crnon.tion No.1563 CA FLAP rarefication No 2670 <br />