RacSHAIL: (continued) the ploture, or the more videspread fcodstuffs. veg a . Little caleulation, if 1¢ turns cut thet say a hundred ¢ ae cr eo of bone asterial were enctigh te alloy you to teke on measurement with a guess of a hundred dollars for the az a oy «Ege sis of this particular sample, one, I think, could in th country = the calculation I did for ten elties assuming a that one takes account of various age groups, start say Fith an age group of froa 0 to 5, 5 to 10, 10 to 15, 15 to 20) and 2 and over, perhaps, that one might take three sanples | into 300 gran units, analyse ench one, ant get his oot - a - each age group totaling 300 grams, randcaly port the plepes This fs all for one city, and for the varlous age groups a 7 and get an idea of how the fallout in the ares and the count averages related to the amount of Sy” in hunan bones of. the function of age froa the past experiences, Fron tity!isidi?.aegercs one might be able to try sme predictions, depenting woh bow variable one found it and one needs, I think, in each ot of . these areas, st least tvo deteraimtions ateach age Grp) fur the purpose of getting an idea ofthe variations dicts within « particular ares . : . a for ope : r . ot LIBEYs io case of the hunen sewage of iivetkens = You've certainly got an enormous averaging already in fosemptng me _ MARSHALL: Yese LIBEY Hovy vbat vould you do An addttton ta order to get theJarl eALity Take 0Aly - paranetert You certainly have in that,a pretty fair yerage for. eee 17/