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r . <br /> A AnciyricciTechnologies,inc. 38 <br /> ATI I.D. T 9006-014 <br /> F . <br /> METALS QUALITY CONTROL <br /> I <br /> CLIENT : APPLIED GcOTECHNOLOGY INC. MATRIX : SOIL <br /> PROJECT T : 14, 937. 039 <br /> PROJECT NAME : USG/STOCRTON UNITS : mg/Rg <br /> ----------------------------- <br /> SAMPLE DUP SPIE'ED SPIXE s <br /> PARAMETER ATI I.D. RESULT RESULT RPD SAMPLE CONC REC <br /> ARSENIC 9006-018-2 7.8 7.5 4 10. 6 2 . 9 97 <br /> CADMIUM 9006-414-4 2 2 0 31 35 83 <br /> CHROMIUM 9006-018-2 41 47 14 310 288 94 <br /> COPPER 9006-018-2 19 18 5 296 288 96 <br /> LEAD 9006-014-4 100 100 0 569 350 134 <br /> ZINC 9006-018-2 69 65 6 344 288 96 <br /> i. . <br /> i <br /> f <br /> I <br /> 1.. <br /> r <br /> r- <br /> Recovery = (Spike Sample Result - Sample Result) <br /> ---------- ---- ------ x 100 <br /> Spike Concentration <br /> RPD (Relative s Difference) _ (Sample Result - Duplicate Result) <br /> ---- -------------------------- Y 100 <br /> Average Result <br />