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QUALITY CONTROL REPORT <br /> METHOD BLANK <br /> Method Metals Date Analyzed 12/10/93 <br /> Units ug/L (ppb) Date Digested 12/08/93 <br /> Batch Number 931208-4304 <br /> Reporting <br /> Analyte Limit Concentration <br /> Lead (Pb)/7421 3 BRL <br /> MBT Environmental <br /> Laboratories ���I�� <br /> (CN8514) <br />