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ttl ,}J Sl <br /> COLUMBIA ANALYTICAL SERVICES, INC <br /> Client: Agri-Tech, Inc Date Received. 8117195 <br /> Project ARCO#2168/EMCON Project No 1775-234 001 Service Request No.:K9505155 <br /> Sample Matrix Water <br /> CASE NARRATIVE <br /> All analyses were performed consistent with the quality assurance program of Columbia Analytical <br /> Services, Inc (CAS) <br /> All analyses were performed consistent with the quality assurance program of Columbia Analytical <br /> Services, Inc (CAS) This report contains analytical results for sample(s) designated for Tier II data <br /> deliverables When appropriate to the method, method blank results have been reported with each <br /> analytical test Additional quality control analyses reported herein include Laboratory Duplicate (Dup), <br /> Matrix Spike (MS), Laboratory Control Sample (LCS) The following difficulties were encountered <br /> during the analysis of this batch <br /> The relative percent difference for the duplicate analyses is outside of CAS acceptance limits <br /> Insufficient sample volume precluded re-analysis All other relative quality control data were within <br /> acceptance limits <br /> Approved by Date <br />