Table 3, Summary of the Effects of Plutonium at Several Soil Concentration Levels on the Distribution of Microorganisms in Soil Relative to Contrala (Wildung et at., 1973, 1974). SR v 9 ah 7 2 mn QQoes = za =~ CUNO AA-Aa 3 7 um © ood Effect (p <0.05) Growth Rate at Plutonium 3 ° on Y Microbial Type a4 cone 6 CCCs = oO. bd <3 24 a e | 0 0 + 0 + Fungi 0 Actinomycetes 0 Anaerobic and Fac-— ultative Anaerobic Nonspore Formers 5 a 4 Zz CO — 4 28 3 @o da - ; 0 a = jo — 0 Nonspore Formers ul ~~ oC = Spore Formers 8d Spore Formers uv Bg ag usa cay) Ho a 0.5 10. 0 + + + 0 0 + + + 0 0 0 0 + 0 + + + + 0 aes aM a aE 4 g Cm. g7 4 8 i aq a aa © ed Lipei gs 1 —] — j | pha Lut 8 Liu Lut g it 1 wa & ope oO _ am (01%) B3VHdAH ONY S3YOdS) SWSINVONO “IONNY 110S JO SYaaWwnNn yo" gx da: 3. 5 wag ac 8 Fig. 7. 4 149 148 0 0 + *&A positive sign denotes a significant effect. ee ea that there was no significant effect. ae o 9.05 Microaerophillic ge 4 a 0.5 me * a 4s H os 4 4 0.05 4" = 10.0 Concentrations (yCi/g) of Aerobic and 48 435 Concentrations (uCi/g) of . of Plutonium on Total Numbers at Plutonium Bacteria 43 - * + + + + La: A zero indicates