1000 T TTT TTT TT T TTT T T4441 Z 4 i r @ Duplicates overlap within 2 ¢ © Duplicates fail to overlap within 2 ¢ a 7 L & % 7 4 7 ¢ 100 |- C = = L L <x s g e Yo ¢ 6C«#+ g eo” r z a e Yo 10 [- r O r L. L / 7 La 7 LY ” / 7 _ / x 4 a v 1 . 7 + @/ 4 é : 4 - / - / r @A 1.0 7 4 1.0 { | risiil 10 | pot pt pa | 100 ! poke 1000 Aliquot B (pCi/g) Figure A9. Acceptable quality control results for duplicate pairs analyzed for 24!Pu in soil by Environmental Analysis Laboratory. Broken line represents perfect agreement and is not a fit to the data. 37