Document LpXgZYDVrvVxXd7aG8j7Q3MdQ

'TAJ . .S*rv*?- SOUTHERN CALIFORNIA AIR POLLUTION FOUNDATION 7 0 4 SOUTH SPRING STREET LOS ANGELES 14. CALIFORNIA Tel.: MAdison 6-9441 TRUSTEES FRED D. FAGG. JR. Chairman ecenher 15, 19& LAUREN B. HITCHCOCK President and Managing Director STEPHEN W . ROYCE Vice-Chairman _ JAMES E. SHELTON Treasurer RAYMOND B. ALLEN F. M. BANKS ARNOLD O. BECKMAN WALTER BRAUNSCHWEIGER ASA V. CALL EDWARD W . CARTER LEE A . DuBRJDGE ROY M. HAGEN . CHARLES F. KETTERING . Ir. -Iscob OhoXak Cetterin s? ra.borato r y h a i v e r s i rg OT C i n c i n n a t i b r e i n r a i f 1.c JOHN A. MeCONE HARVEY S. MUDD WILLIAM C. MULLENDORE FRED B. ORTMAN ALDEN G. ROACH j . PHILIP SAMPSON REESE H. TAYLOR ?. a WINNETT LEROY A. GARRETT Secret ary o f the . Foundation ~>JT, !'f) TpO hp;C' c a r r y i n g on some c a l c u l a t i o n s w ith -, V-. o n a h t i t i c a a n d t y or jad compounds which a re . an i o ted t o t h e 1atn o sw T seen to re c a ll th a t o on t he h in d s o f le a d compounds which. a re em itted , and r y 3 one; in-form ation oh. t he p r o p o r ti o n s o f .lead i n th e- a twos- e re w hich o r i g i n a t e from a u to e x h a u s t as- com pared p-d th at- w hich o r i -;inaueo from o th e r s o u r c e s . I f p o s s i b l e , tjuld'. lidco. t o : vp o 'e ro rtc - o r r e o r i n t s . .o f t h i s .work. - : Si n cer el y you r 3. Lewis d. hogers 0 0 00 44 3 5 6 N 6971 A private, non- profit research foundation -- Financed by public- spirited citizens