100 ———-TT1TT | |- @ Duplicates overlap within 2 ¢ |. © Duplicatesfail to overlap within 2 fae Yo q y a Pf 10 = a - C = of 1.0 — gf , < o£ gb cS y ~ a T T L / 0.01 ~ —E - Oo — / / J / 6 4 1 7 =z 4 rd 7 1 — + 7/ _ q a Oo , Y a a —_ 7 7 0.0014 1 lt th 0.001 a 7 7 C& 4 q y P= fae - ye &’ = _ 0.01 te 0.1 1.0 Aliquot B (pCi/g) 10 100 Figure A7. Acceptable quality control results for duplicate pairs analyzed for 239Pu in soil by Environmental Analysis Laboratory. Broken line represents perfect agreement and is not a fit to the data. 35