UNC LASSIFTED Lsotove c/m Added oreoaNy?> 9 ,090 RyP6 R206 10 ,000 Cet**_p,at 8 ,000 Pmt? 12 ,000 yes 9 5000 Total 48,000 c/m a ee Table A=-7 Sample c/m Found % A 64,0 1.3 B 320 0.6 C 130 0.3 D 210 0.4 These interferences would be negligible in the analyses performed, particularly as — absorption measurements on the strontium frac- tions showed that the impurity was a mixture of the isotopes added. A215 sé UNC LASSIFI=D