TABLE I Existing 9ctusacticonal Exposure Guidelines that Apply to Pu-239 in Insoluble Form* MPLD (ICRP, NCHRP, FRC) 15 rem/vr MPLB MPCqa *Note: 0.016 uCi (ICRP, AEC) 4x10721 uci/ml See Glossary for definitions of symbols. The exposure guidelines for Pu-239 that apply to non- occupational exposure of the general public are tabulated in Table II. Two guidelines are applied here. One is for the limiting exposure to an individual and the other is for the average exposure of a population sample. differ by a factor of 3. These two guidelines The ICRP recommendations include only the guidelines for individuals. The MPLD values within the parentheses in Table II correspond to tNe latest recommendation of the nerp?°, These latest recommendations of the NCRP have not, at this time, been incorporated into either the AEC or EPA regulations. 16/ NCRP Report No. wnt mm. arm. . = . fe : ‘ * aoe * : 39, : “teat are note 2: 2 5 pes me : Op. sok ey . iF Y. thee cit., p. gta eeu ere re . 95. . . . ' ve. , . “y feo Do ' vt wr <i . ” . hey; i We. * 1 fry toe an qr na? . , wba, + t ow a é ‘ ‘ . . vf . ee » \4 fo ‘ aoe A . ee