& : 4 . i= * ° f her FS 6 mes erinwonte 100 - TTT TTT] C iz TTT TTI TT] rd Trt / I A / - - 4 Duplicates overlap within 2 o f a 4 Duplicates fail to overlap within 2 o 7 10 |- “ E - L L SL 2 sg ZF o£F sy an fa a / ininese vennnnramapeerent = a 7 b 7 aav / 0.01 0.01 4 4 a 4 a : 1 A a F :4 1 a 2 a 4 — 7 a A 4 4 tp 7 7 - 7 4 4 a az Yo C nhaleaeainamtalehaat / a y 0.1 a 4 Yo / 7 | = Ay A to10b: - A 7 Yo 7 / /7 a pt itl 0.1 et tl 1.0 po tl 10 re ee 100 Aliquot B (pCi/g) Figure A4l. Unacceptable quality control results for duplicate pairs analyzed for !37Cs in soil by Eberline Instrument Corporation. Broken line represents perfect agreement and is not a fit to the data. Three unacceptable pairs involving detection limits are not shown. 69