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• x°cx xccaq°' <br /> ENVIRONM TAL <br /> • Analytical Chemists <br /> November 3, 2008 Lab ID : STK0850465 <br /> Genesis Engineering & Redevelopment Customer : 3-16456 <br /> Quality Control-Inorganic <br /> Constituent Method Date/ID Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> Ammonia Nitrogen 4500NH3H 10/29/2008:211012 Blank mg/L ND <0.2 <br /> LCS mg/L 14.40 89.4% 63-116 <br /> MS mg/L 0.5760 -76.7% 17-127 435 <br /> (SP0811380-001) MSD mg/L 0.5760 101% 17-127 <br /> MSRPD m 0.5760 89.1% <_80.2 435 <br /> 4500NH3H 10/30/2008:213248 CCB mg/I 0.013 0.2 <br /> CCV mgfl 2.000 94.2% 90-110 <br /> CCB mg/I 0.068 0.2 <br /> CCV I mgfl 2.000 1 91.8% 90-110 <br /> Nitrate+Nitrite as IN 450ONO3F 10/30/2008:211041 MS mg/L 4.000 98.8% 5-285 <br /> (STK0850560-001) MSD mg/L 4.000 98.6% 5-285 <br /> MSRPD mgfL 4.000 0.2% <30.4 <br /> 450ONO3F 10/30/2008:213269 ICB mg/1 -0.045 0.1 <br /> ICV mgA 4.000 96.8% 90-110 <br /> CCB mg/i -0.041 0.1 <br /> CCV m 4.000 96.8% 90-110 <br /> Nitrite as Nitrogen 450ONO2B 10/15/2008:210458 MS mg/L 0.2284 92.8% 1-173 <br /> (SP 0811387-006) MSD mg/L 0.2284 92.8% 1-173 <br /> MSRPD mgfL 0.2284 0.0 <_0.1 <br /> 4500N028 10/15/2008:212514 CCV MIL 0.1522 94.5°/ 90-110 <br /> CCB mg/L -0.004 0.1 <br /> CCV mg/L 0.1522 92.7% 1 90-110 <br /> • CCB m -0.0003 0.1 <br /> Definition <br /> ICV :Initial Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> ICB :Initial Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <br /> CCV :Continuing Calibration Verification-Analyzed to verify the instrument calibration is within criteria. <br /> CCB :Continuing Calibration Blank-Analyzed to verify the instrument baseline is within criteria. <br /> Blank :Method Blank-Prepared to verify that the preparation process is not contributing contamination to the samples. <br /> LCS :Lubomtory 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 MS/MSD pair-A random sample duplicate is spiked with a known amount of analyted.The recoveries <br /> are an indication of how that sample matrix affects analyte recovery. <br /> MSRPD .MS/MSD Relative Percent Difference(RPD)-The MS 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 a]ity Objective-This is the criteria against which the goali control data is compared. <br /> Explanation <br /> 435 :Sam le matrix may be affecting this anal yte.Data was accepted based on the LCS or CCV recovery. <br /> Corporate Offices&Laboratory Once&Laboratory Office&Laboratory Field Office <br /> 653 Corporation Street 2500 Stagecoach Road 563 E.Linda Avenue Visalia,California <br /> Santa Paula,CA 93060 Stockton,CA 95215 Chloe,CA 95926 TEL:559/734-9473 <br /> TEL 805/392-2000 TEL 209/942-0182 TEL:530/343-5818 Mobile:559037-2399 <br /> FAX 805/5254172 FAX 209/942-0423 FAX 530/343-3807 FAX:559!/34-8435 <br /> CA NELAP Certification No.01110CA CA ELAP Certification No.1563 CA ELAP Codification No.2670 <br />