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ENVIRONMENTAL <br /> W <br /> ba, A <br /> June 13, 'Zt YTICAL CHEMISTS Lab ID STK634467 <br /> Neil Anderson & Associates Customer : 3-9574 <br /> L <br /> Quality Control - Inorganic <br /> i <br /> Ir Constituent Method Date/D) Type Units Cone. QC Data DQO Note <br /> Wet Chem <br /> Nitrate + Nitrite as N 450ONO3F 06/07/2006:D220 MS mg/L 4.000 34.9% <'A 408 <br /> 6. (SP 605387-06) MSD mg/L 4.000 494% <'A 408 <br /> MSRPD mg/L 46.3% 535.0 435 <br /> 4500NO3F 06/07/2006:A 07-CCB mg/L ND <0.1 <br /> 07-CCV mg/L 4.000 104% 90-110 <br /> a. 08-CCB mg/L ND <0.1 <br /> 08-CCV mg/L 4.000 102% 90-110 <br /> Explaaatioas <br /> V 408 Matrix Spike(MS) or Post Digestion Spike(PDS) has no Acceptance Range (DQO) because of high analyte <br /> concentration in the sample. Data was accepted based on the LCS or CCV recovery. <br /> 435 Sample matrix may be affecting this analyte. Data was accepted based on the LCS or CCV recovery. <br /> Definitions <br /> MS/MSD Matrix Spikes - A random sample is spiked with a known amount of analyte. The recoveries are an indication o <br /> how that sample matrix affects analyte recovery. <br /> CCB Continuing 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 /> 6. ND Non-detect - Result was below the DQO listed for the analyte. <br /> <''A High Sample Background - Spike concentration was less than one forth of the sample concentration. <br /> DQO Data Quality Objective - This is the criteria against which the quality control data is compared. <br /> Report continued on next page... <br /> 68 <br /> 11a <br /> We <br /> _ STK634467: Quality Control Page 1 <br /> Corporate Offices&Laboratory Office&Laboratory Field Office <br /> P.O.Box 272/853 Corporation Street 2500 Stagecoach Roan Visalia,California <br /> Santa Paula,CA 93061-0272 Stockton,CA 95215 TEL: (559)734-9473 <br /> TEL: (805)392-2000 TEL (209)942-0181 FAX: (559)734-8435 <br /> FAX: (805)525-4172 FAX: (209)942-0423 Mobile: (559)737-2399 <br /> CANELAPCertification No.01110CA CA ELAP Certification No. 1563 <br /> CA ELAP Certification No.1573 <br />