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Engineers <br /> Planners <br /> Economists <br /> Scientists <br /> r , CASE NARRATIVE <br /> Metals <br /> 32554 <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 were met. <br /> E. Duplicate Sample Analysis: <br /> All duplication criteria were 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. <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: Date:—4 L� <br /> Fred Bickell <br /> Cations Supervisor <br /> CH21W HILL Redding Quality Analytical Laboratories 5090 Caterpillar Road,Redding,California 96003 916.244.5227 <br /> 00 )00 JL <br />