1000 - TTT TT TTT ca TTT TTT a a) ae /7 L @ Duplicates overlap within 2 o - © Duplicates fail to overlap within 2 o yo be K 100 r - C s / - 3 = 7 85 Ea < Lo z t e/ L 1.0F- o /f FLC re 0.1 0.1 / / 7 ge / 4 >a 7 4 1 J 4 fe 4 Y 17 4 4 oof L | 7 yo 7 7 7 | Y 4 Y / 1 i i ;i 4 poo | bo tt 1.0 be 10 Lee il 100 to ti 1000 Aliquot B (pCi/g) Figure A26. Acceptable quality control results for duplicate pairs analyzed for 239+240pu in soil by Eberline Instrument Corporation. Results depicted are for concentrations between 0.1 and 1000 pCi/g. Broken line represents perfect agreement and is not a fit to the data. 54