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H AGCpA <br /> ENVIRONMENTAL <br /> ANALYTICAL CHEMISTS L <br /> January 08, 2007 ab ID STK650838 <br /> LNeil Anderson & Associates Customer : 3-9574 <br /> Quality Control - Inorganic <br /> L Constituent Method Date/ID Type Units Conc. QC Data DQO Note <br /> Wet Chem <br /> Nitrate + Nitrite as N 450ONO3F 12/20/2006:B220 MS mg/L 4.000 259% <'IA 408 <br /> (SP 612856-21) MSD mg/L 4.000 189% <�A 408 <br /> MSRPD mg/L 7.9% 294.66 <br /> 450ONO3F 12/20/2006:D 00-ICB mg/I ND <0.1 <br /> a„ 0o-CCB mg/I ND <0.1 <br /> 01] ICV mg/1 4.000 103% 90-110 <br /> 00-CCV mg/1 4.000 102% 90-110 <br /> ` Explanations <br /> 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 an the LCS or CCV recovery. <br /> L Defin tions <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 /> ICB Initial Calibration Blank - Analyzed to verify due instrument baseline is within criteria. <br /> ICV Initial 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 /> CCV Continuing Calibration Verification - Analyzed to verify the instrument calibration is within criteria. <br /> ND Non-detect - Result was below the DQO listed for the analyte. <br /> L <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 /> LReport continued on next page... <br /> L <br /> L <br /> L <br /> ` Corporate Offices&Laboratory Office&Laboratory Ua Ity elg76%7.age <br /> P.O.Box 272 1853 Corporation Street 2500 Stagecoach Road 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 /> r FAX: (805)525-4172 FAX: (209)942-0423 Mobile: (559)737-2399 <br /> CA NELAPCertiflcationNo.011100A CA ELAP Certification No. 1563 <br /> CA ELAP Certification No.1573 <br />