1000 TTT T 5 T TTT rl | TOT TTT T @ Duplicates overlap within 2 o © Duplicates fail to overlap within 2 o 5 < Ho ° /f - ad , + s 1 4 4] vt — 1.0 |— y ~ » ~ + y © _ 0.1 ~ Z 10 0.112 FJ 7 - L a e, : 5 4 7 /7 sfr < J / few oO f Yo 100 E- & OTT Ue 7 a 3s T g® = 7 0% 4 4 / /e bk _ py] ! pots 1.0 ta 10 tl 100 Ld 1000 Aliquot B (pCi/g) Figure A33. Acceptable quality control results for duplicate pairs analyzed for ?Sr in soil by Laboratory of Radiation Ecology. Broken line represents perfect agreement and is not a fit to the data. Two unacceptable pairs involving detection limits are not shown. 61 nmap menenee mew nee new