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1 <br /> Engineers CASE NARRATIVE <br /> Planners Metals <br /> +� Economists <br /> scientists 30637 <br /> I. Holding Time: <br /> All holding times were met. <br /> II. Analysis: <br /> A. -Blanks: <br /> All acceptance criteria were met. <br /> B. Calibration: <br /> All acceptance criteria were met. <br /> C. ICP Interference Check Sample: <br /> All acceptance criteria were met. <br /> D. Spike Sample Analysis: <br /> All recovery criteria was met. <br /> E. Duplicate Sample Analysis: <br /> All duplication criteria was met. <br /> F. . Laboratory Control Sample Analysis: <br /> All acceptance criteria were met. <br /> G. ICP Serial Dilution: <br /> Not required for this level QC. <br /> H. Other: <br /> None. j <br /> III. I certify that this data package is in compliance with the <br /> terms and conditions agreed to by the client and CH2M HILL, <br /> both technically and for completeness, for other than the . <br /> conditions detailed above. <br /> Signed:_ `c�Gi�C�' _ _ Date• q 9 <br /> Fred Bickell <br /> Cations Supervisor <br /> 000001 <br /> CH21W HILL Redding Environmental Laboratory 5090 Caterpillar Road 916.244.5227 <br /> Redding,Colitomia 96003 <br />