July 10, 19^6 Dr.

ETHYL CORPORATION INTER - OFFICE CORRESPONDENCE , .V, TO Dr.

boy IS" xl US - U ccs Er.

OFFICE OF THE DEAN TUFTS COLLEGE DENTAL SCHOOL 416 HUNTINGTON AVENUE BOSTON, MASSACHUSETTS July 7, 194" tr.

ESTABLISHED 1828 T H E W M .

ETHYL CORPORATI ON NUMBER TELE TYP E MESSAGE Q REGULAR Q Mr.

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* TO Dr.

PA SEO COLON 8 5 BUENOS AIRES r- C .L.RISSO -G ILL L'ios A i r e s,A u g u st o t h .1 9 4 1 ~r .R o b e r t A.

Comments Concerning, AIR QUALITY CRITERIA FOR LEAD Second Draft ' CHAPTER I INTRODUCTION Line 2 of the Introduction contains the word "lethal" to characterize the toxic properties of lead, presumably for man.

ff m o iu r im wm m jm im m s assiom i. .sum ca ist y m a s g a i t ms c s I t baa beea propass to bandi tha probi o f eXsaning out resid ual : sludge ia Fluid sc a le tank in tte f i e l t by m m m o f a truck pwapisg Q u illt.

November.1, 19^5 M r . 3 .

ETHYL CORPORATION CHRYSLER BUILDING 405 LEXINGTON AVENUE NEW YORK 17, N.

SV-8084 1 U S m t o" ' ESTABLISH ED 1802 E.

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