10 T rT T TTT 7 rs ee ee T TT TTT - | @ Duplicates overlap within 2 o © Duplicates fail to overlap within 2 o Y/Y /Y L , 9” ' 1.0 F3 | 8 P : g T —~ ' = ; i ; : ; 2 L ‘3 LL 7 4 Z: 4 : ie 7 ,// P : oO eo” / t Y Yo L Eg 4 4 7 / L : < 7 / e T 4 7 /Y a 4 7 7 ~ i yy / a / } Yo 7 / 7 / / e Z — 7 4 7-| - / 7 4 7 7 0.01 0.01 ¢ 7 pot i 0.1 i po 1.0 ! bob 10 Aliquot B (pCi/g) } Figure A25. Acceptable quality control results for duplicate pairs analyzed for 137s in soil by Eberline Instrument Corporation. Broken line represents perfect agreement andis not a fit to the data. 53