University of Cincinnat i M edical Cent er NT OF envir onment a l h ea l t h errruiNt; lL,a bor a t or y 5J JJ /2-5/0O 3223 Eden Avenue Cincinnati, Ohio 45267 January 11, 1979 M.

DALE MttWELL FERRY O'KEEFE Wa l t e r c w i l l i a ms o n MICHAEL M MORAN KIDWELL, O 'KEEFE 8c W I L L I A M S O N CHARTERED at t or neys at l a w 2 0 0 WEST DOUGLAS WICHITA, KANSAS 67202 July 21, 1971 26 3-6141 AREA CODE 316 Mr.

CENTER FOR SCIENCE IN THE PUBLIC INTEREST 1346 CONNECTICUT AVENUE, N.W., ROOM 812 WASHINGTON, D.

La w r e n c e .

Zr' E U H O PE I N C . 50, STRATTON STREET, LONDON, W1X 6AU ENGLAND O FFICE OF EN VIRON M EN TAL AFFAIRS R.

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February 3, 1975 67 Ms.

\ LJ^IXBJTErRTJT^XYa 378StuartStreet, Boston, Massachusetts02117 Tel. (617) 357-9500 July 20, 1971 Dr.

September 21, 1971 Mr.

December 21, 1971 Mr.

3 NATIONAL LEAD ZINC RESEARCH ORGANIZATION, INC June 22, 1970 ''3 5 A V E N U E , * . r v V v ' O ^ < .

April 24, 1970 Sven Forssman, M.D.

December 30, 1971 Dear Doctor Clark: I am sending this booklet to you also with certain '.c'itorial alterations.

December 14, 1972 Mr.

R O B E R T L.