0.1 r Tr TTT TT TTT . T T TUT TTT T @ Duplicates overlap within 2 o s © Duplicates fail to overlap within 2 o T T 0) TTT TTT TY TT TTT ” - 0.01 7 * . : > & 8 Py 83. !; ' / r~ 0.001 - FC z W4 / } L F | 0.00001 0.00001 4 / 5 9% q C0 - J / ~4 1 4 e 4 4 Lo T / 7 O 4 e q 7 pos J © s /e 0.0001 -‘ / 4 / / A’ 1 1 pil pop il 0.0001 po 0.001 0.01 ! bot itis 0.1 Arvmenn Ma MeuhE ee Aliquot B (pCi/g) Figure A27. Acceptable quality contro! results for duplicate pairs analyzed for 239+240py in soil by Eberline Instrument Corporation. Results depicted are for concentrations between | x 10and 0.1 pCi/g. Broken line represents perfect agreement and is not a fit to the data. 55