_. t 1 TMT UT | 1 qT Tor UEITe q | Pra? "| Ty - A Duplicates overlap within 2 o | A Duplicatesfail to overlap within 2 o ‘A / 10 - 4 L. r A L af S fF 2 4 < 1.0L < + wo 7 / L 4 a ¢ Yo 0.1; r es PA — = 7 7 0.01 + 7 7 7 + 4 1 ” f i _| A a J 4 A / L 4 4 VP A A i a /A [— 4 7 7 r 0.01 af 4 o y/o 7 - 1 7 t — po il 0.1 Lo sp tial pp lt 1.0 10 100 Aliquot B (pCi/g) Figure A40. Unacceptable quality contro! results for duplicate pairs analyzed for 90Sr in soil by Eberline Instrument Corporation. Broken line represents perfect agreement and is not a fit to the data. Two unacceptable pairs involving negative concentrations are not shown. 68 stangainnanttaneteerieotnncr F a+ / A a f/ / = 5 ToUdrgEt ran a cs 1 oe 100