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r <br /> 7 C �7 <br /> PAGE 42 <br /> iQUALITY CONTROL DATA <br /> AEN JOB NO 9609379 <br /> SAMPLE SPIKED SAND <br /> DATE(S) ANALYZED 10/04-16/96 <br /> MATRIX SOIL <br /> Method Blank and Spike Recovery Summary <br /> QC Limits <br /> Blank Spike <br /> Inst / Result Added Percent Percent <br /> Analyte Method (mg/kg) (mg/kg) Recovery RPD Recovery RPD <br /> Ag Silver ICP/6010 ND 5 0 102 1 60-120 10 <br /> As Arsenic 4000/7060 ND 10 0 110 <1 67-136 15 <br /> Be Beryllium ICP/6010 ND 5 0 93 1 80-110 10 <br /> Cd Cadmium ICP/6010 NO 10 0 98 1 90-120 10 <br /> Cr Chromium ICP/6010 ND 50 0 100 1 90-120 10 <br /> Cu Copper ICP/6010 ND 50 0 100 2 90-115 10 <br /> Hg Mercury Hg/7471 ND 0 4 107 5 79-118 15 <br /> Ni Nickel ICP/6010 ND 50 0 100 1 90-120 10 <br /> Pb Lead ICP/6010 ND 50 0 98 1 90-120 10 <br /> Pb Lead V12/7420 ND 50 0 108 3 80-119 10 <br /> Sb, Antimony ICP/6010 ND 50 0 94 <1 78-113 10 <br /> Se Selenium 4000/7740 ND 20 0 94 9 71-115 13 <br /> Tl Thallium ICP/6010 ND 200 0 98 1 78-115 10 <br /> Zn, Zinc ICP/6010 ND 50 0 96 <1 90-115 10 <br /> *** END OF REPORT *** <br />