terc) l®, The MPC, is included in the ICRP recommendations 12 and is also an AEC radiation standard”*. ll O£ the standards in Table I only the MPCg is desiqnated in the AEC regulations. However, this MPC, corresponds to that tabulated in ICRP Publication 213 which listed in Table the MPLD” 14 . I. is derived on the basis of the MPLD The MPLB The MPLB is not tions of ICRP, NCRP, resulations. is also derived on the basis of included in either the recommenda- the guidelines of FRC, or the AEC in summary, in TabDle I the MPCa (designated in AEC reculiations) is consistant with the MPLD and MPLS. In ~- Tadle i the MPLD applies to all forms of ionizing radiation. Tr2 MPLS anc MPC, avoly soeciftically to Pu-239 in insoludle a 15 form”. 1O/ FRO Report No. solished 1, Ov. and its duties cit., p. 38. transferred The FRC has been to EPA. II on Permissible i? 60. ne 1960.) 13/ ICRP Publication 2, Op. l3/ Mann, J.B. and A.R. Kirchner, “Evaluation of Lung 3 gS Acute Inhalation of Highly Insolubie Pu02," 1 . 13, 1967, pp. 877-882. pu 'o ‘OC Ky c th te, £3 could aooly to most other alona-emitting i halt-lives, since the aloha particle reciably from the Pu-239 alpna e ere ee ci tT 19 CFR 29, Appendix 8B. | 12’ tf} New York,