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CHEMWEST ANALYTICAL LABORATORIES <br /> HEXAVALENT CHROMIUM <br /> Date (s) Analyzed : 10/26/89 Case 4846 <br /> thru: 11/15/89 Matrix: Water <br /> Spike Amount <br /> Client EPA CHEMWEST Conc. Detected % <br /> ID Method ID (mg/L) (mg/L) Recovery <br /> -------------------- ------------- ------------------------------- <br /> 38220 <br /> .. -------------------_.--------------------------------- <br /> 38220 7196 4846-1 630 <br /> 38221 7196 4846-2 270 <br /> 38222 7196 4846-3 7000 <br /> 38223 7196 4846-4 2400 <br /> 38224 7196 4846-5 1100 <br /> 38225 7196 4846-6 49 <br /> 38217 7196 4846-7 BRL <br /> 38218 7196 4846-8 BRL <br /> 38219 7196 4846-9 BRL <br /> 38219DUP 7196 4846-9DUP BRL <br /> 38219MS 7196 4846-9MS 0.2 103% <br /> 38219MSD 7196 4846-9MSD 0. 2 1068 <br /> ------------------------------ - . --------- -------------- <br /> The <br /> ------- --The reporting limit for Hexavalent Chromium is 0 . 05 mg/L. <br /> BRL: Below Reporting Limit. <br /> Approved by: REV2 :1 .88 <br /> CHEMWEST ANALYTICAL LABORATORIES,INC. <br />