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April 6, 2007 <br />Neil Anderson & Associates <br />Quality Control: <br />Inorganic - Wet Chemistry OC <br />Lab ID STK732332 <br />Customer 3009574 <br />4500-H B <br />03/09/2007:A - PH2O3 Continued... <br />03/09/2007:A - PH2O3 All analysis quality controls are within established criteria. <br />4500NH3H <br />03/12/2007:A203 All preparation quality controls are within established criteria, except: <br />The following note applies to Ammonia -N: <br />408 Matrix Spike(MS) or Post Digestion Spike(PDS) has no Acceptance Range <br />(DQO) because of high analyte concentration in the sample. Data was accepted based <br />on the LCS or CCV recovery. <br />03/13/2007:B - FI203 All analysis quality controls are within established criteria. <br />450ONO3F <br />03/16/2007:C220 All preparation quality controls are within established criteria. <br />04/03/2007:B220 All preparation quality controls are within established criteria, except: <br />The following note applies to Nitrate + Nitrite as N: <br />408 Matrix Spike(MS) or Post Digestion Spike(PDS) has no Acceptance Range <br />(DQO) because of high analyte concentration in the sample. Data was accepted based <br />on the LCS or CCV recovery. <br />03/16/2007:0 - FI203 All analysis quality controls are within established criteria. <br />04/04/2007:C - FI203 All analysis quality controls are within established criteria. <br />5210B <br />03/09/2007:B204 All preparation quality controls are within established criteria. <br />03/14/2007:B - 02201 All analysis quality controls are within established criteria. <br />5220B <br />03/16/2007:A206 All preparation quality controls are within established criteria. <br />03/16/2007:A - UV205 All analysis quality controls are within established criteria. <br />Certification: I certify that this data package is in compliance with NELAC Standards, both <br />technically and for completeness, except for any conditions listed above. Release of the data <br />contained in this data package is authorized by the Laboratory Director or his designee, as <br />verified by the following signature. <br />KAD:dmb <br />FGL ENVIRONMENTAL <br />Y <br />Dunnahoo, B.S. <br />Laboratory Director <br />STK732332: Case Narrative Page 2 <br />