Document pewmDrjR3qJjax70DwDO1QLYB

Ui Febr uar y 10# 1955 Mr . Fr anc i s B. El der , Associ at e Secr et ar y Commi t t ee on Labor at or y Met hods The Amer i can Publ i c Heal t h Associ at i on, I nc. 1790 Br oadway New Yor k 19, Mew Yor k Dear Mr . El der : The Pr ef ace whi c h you pr opose f or t he r evi sed bookl et , " Met hods f or Det er mi ni ng Lead i n Ai r and i n Bi ol ogi c al Mat er i al s" appear s t o me t o be s at i sf act or y as wr i t t en. My onl y cor r ect i on i s i n t he degr ee shown af t er my name under t he Subcommi t t ee l i st i ng. Wi l l you pl ease change Ph. D. t o Ch. E. I can of f er no assi st ance on t he des i r abi l i t y of l i st i ng t he member s hi p of t he ot her commi t t ees whi c h you ment i on. I pr ef er t o have ot her s who ar e mor e f ami l i ar wi t h Associ at i on pol i cy and pr act i ce deci de on t hi s mat t er . Ver y t r ul y your JC ma cc : Dr . R . A. He hoe / J": ' 'G`ho ak K jT 0015369