Document ZBY5wjOwkYjy5dyD8DMz2dyap

OFFICE O F I NDUSTRI AL HYGI ENE AND SANI TATI ON TREASURY DEPARTMENT UNITED STATES PUBLIC HEALTH SERVICE W A SH IN G TO N , D. C. M .1 /- 77 * <y*~~ J--- *, ^ ^ l a ' JU*A o * ~ ^ , k .cU& a~ A * - "t * r* ^ *X T^ - -* * * -* ~v - -- ksuJL. ;y&~* 3J,____ 5w ^ t y & L 1U / ' ^ O-v ', V ^ ^ * s & u t ^ ^ jU iU .- fy ^ J- ^ ^ ^ r ' ^ T T v `T ^ A? a ~ d ^.J!~-dU o ~r~J- - / " - y C cJlrO ^^^J ,~ 0 JU ^oJkJ. oJt- x s & ' + -&-> MA/ Ly / ^-JL U ^ - u A ~~ ^ ^ i^ h ,,9 ^ ^^ U - # . .. -k j O M U -el I^ U . o aa^ A U -& ~ ~ ,* * ^ J~ `a ~ (/ n -h(i L 9 *+~a >j . - f* - ^a . ^ , -^HLj l A s^^M s-cnl -v X --^ 3>>--~v_ ) L~ny~ J M * 37^ ^ ~ A ^A -" ' ^ / j ^ oCJJ X w a - 9^ a -X 5-^ oM a A y A ^^L^C----^->-v^ A c U ^ S J i. (3y * * U *-- < - ^ ^ tU cpe-- c f ^ ^ >~ o - ^ 6 A ~ y u -- s. ,4-$X alCil oA~ tz^A^, xAA ~ta l-~i~ - ^ A -A . ^ 4 *$f> 3 Ptr^JLy XX zA ^ aIa a *& < ?*-* ^ c^U - -- ^ ----------(L< ~Jy a^ A & U ,. ijijW J*A~-*~- f t --- -Ca a A . - h ^ X Z ^ - * ' ~ a J - K a ^ tt - W " A " ^ , , ? ^ ( $ X ~ X X X ' lJ J/ a2 j Z) F e s s e n d e n S t j ^ ^ > aJ ayxJFZ^t^ , * & ?