\ te. ecexonictetod Woy BAIR !| General Comments: The document gives the impressi pn of being much more authoritative oe While the assu aptions used are stated, the extent eee than it actually is. vad: of uncertainty or degree of conserva tism/non-conservatism 1s not always - _ iatBaTe Sa discussed (e.g., AMAD = 0.5 wm), Perhaps even more {mportantly, the validity, reliability and/or This becomes of significant Syn sienoe oeTS limitations of the data base are not discussed, and perhaps critical importance with respect to the gut absorption factor. Although the reported ranges are men tioned, little in the way of applicability or experimental conditions is discus sed (e.g., the reader may concluce that aoe: based on the LLL comments a factor of 1072 should be used for chlorinated water, when apparently it is difficult to maintain Pu in the +6 state under physiological conditions). Aare PRG qm | eee PHILLIPS AND VE. NOSHKIN: ao) + BY W. L. ROBISON, W. A, gryre SAE en ome el COMMERTS 0 N THE LLL DRAFT, ~ "ASSESSMENT OF POTEN TIAL DOSES TO POPULATIONS 2S" FROM THE TRANSURATIC RADI ONUCLIDES AT ENGWETAK ATOLL," cal Bill - It may be that sowe of my comments/questions are less applicable to the LLL document than they uight be to DOE or DOI. =~ Bruce kachholz. gO Similar comments pertain to other Yor Ble. ge Sane concentration and ratio of Pu/ min soil). Perhaps a comparative listing of “conservative” and “real{ stic" vaiues would be appropriate, or at least a table listing the several conservatisms or non-conservatisms. 9me mass loading of 100 ug/in, all of wh ich is resptrable, all of which is - the effect of multiple conservatisins upon the final dose estimates (e.g., oe It would be helpful for real warld decis{ons to have some idea of Ee | parameters contributing to dose (e.g., coconuts, marine food).