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r = <br /> CALTECH Env ir(-mmental Laboratories <br /> (`62) '-7?-?70(1 1 i'02) 272-27Xq <br /> QA/QC Report <br /> Method 300 <br /> Matrix Water <br /> Date Analyzed 3!8106 <br /> Date Extracted 318106 <br /> Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> Nitrogen, Nitrate(As N) 93 86 10 93 86 80-120 1 20 7 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Method Units Det <br /> Blank Limit <br /> Nitrogen, Nitrate As N ND u IL 05 <br /> ��l~�r')Y, (' <br /> l () f �[ I Y 131 1)IC 111 i� lc } c l wf()\i} ]t � lIt)N <br />