February 27, 1974 Mr.

University of Cincinnati, Ohio 45219 COLLEGE OF MEDICINE, EDEN AND 8ETHESDA AVENUE^.

Ba l t imor e Cit y Ho spit a l s Fr ed er ic G.

April 5, 1977 Stanley B.

9.0.36 Jeffery- Rd.

November 8, 1971 ::r.

January 4, 1971 Darrel D.

University of Cincinnat i M edical Cent er D E P A R TM E N T OF E N V IR O N M E N T A L H E A LT H K E T T E R IN G LA B O R A TO R Y (5 1 3 ) 8 7 2 - 5 7 0 0 3223 Eden Avenue Cincinnati, Ohio 45267 March 6, 1979 Lee B.

La w r e n c e C.

June 30, 1975 Robert M.

Mar ch 27, 1972 El Paso Smel t er Envi r onment al Lead Pr obl em A l awsui t now bei ng t r i ed i n t he 41st Di st r i ct Cour t 'i . !

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University of Cincinnati M edica i Ce n t e r D E P A R TM E N T OF E N V IR O N M E N T A L H E A LT H K E T T E R IN G L A B O R A T O R Y (513) 872-5700 3223 Eden Avenue Cincinnati, Ohio 45267 December 18, 1978 Gary Te r r Haar, Ph.D.

NATIONAL LEAD COM PANY M ETAL DIVISION Southwest Area 16th and Cleveland Granite City, Illinois 62040 Wm.

ETHYL CORPORATION Summary of Court Opinion in Lead Case In December, 1973, Ethyl Corporation (Ethyl), other lead antiknock manufacturers and the National Petroleum Refiners Association brought suits against the Environmental Protection Agency (EPA) seeking judicial review and reversal of regulations phasing out lead antiknocks in gasoline over a four year period until they were virtually eliminated.