Gen er al H ygien ic Measures and ^ F a cilit ie s Required In the Manufacture o f Te t r a e t h yl Ifceaft and In blen d in g E t h yl F lu id The p o t e n t ia l h azard s a s s o cia t e d wit h th e m anufacture and blen d in g o f E t h yl F lu id ar e p r obably th e most ser iou s t h a t can be found in any o f t h e lea d trad es However# th ey a r e cap able o f com plete co n t r o l i f proper p r ovision s ar e made to m ain tain an adequate d egree o f p r e cis io n and cau tion in ca r r yin g out p la n t op eration s I t i s exceed in gly d ou b t fu l i f t h is can be done u n less the most r ig id and c r i t i c a l m ed ical su p er vision i s est a b lish ed and m aintained# but the exp er ien ce o f th e p ast twelve yea r s has proved t h a t com plete su ccess can be a ssu r ed by th e means o f m easures o f con t r ol recommended h erein I t would b e most u n fortun ate# in view o f the dem onstrated adequacy of suoh methods# i f cases of in t o xica t io n and fa t a l i t i e s were t o occur in p la n t s n ot so sa fegu a r d ed , s in ce i t would be q u it e obvious t h a t such in cid e n t s were th e r e s u lt o f ca r e le s s n e s s or la ck of regard fo r p ast experience The co n t r o l m easures co n s is t of th e fo llo w in g co-or d in a ted types o f h ygien io s u p e r vis io n , namely, (1) a co n t in u a l c l i n i c a l study o f a l l workmen, (2) r e gu la r stu d y o f th e m agnitude o f th e lea d exposure and lea d ab sor p tion of r e p r e s e n t a t ive groups o f workmen through p er io d ic determ in ation s o f the r a t e of lea d excr etion in the u rin e and fe ce s , (5) r egu la r p er iod ic c r it ic a l survey of p la n t a c t iv it ie s and operation s by the p h ysiola n -ltvch a r ge, end (I4O r e gu la r d eter m in ation of th e lea d con ten t of the a ir of a l l rooms and workin g spaces in th e p^ ant C lin ic a l Work Hot on ly i s i t n ecessa r y t o m ain tain a 30sharp sea r ch fo r "clin ica l evid en ces of lea d a b sor p tion , bu t i t is a l im p er ative t h a t a l l typ es o f illn e s s among workmen be r ecogn ized and id e n t ifie d , i f t h er e i s to be a proper d egree o f m utual con fid en ce between th e workmen and th e m ed ical departm en t.

THE ASSOCIATED ETHYL COMPANY LIMITED ARTILLERY HOUSE, ARTILLERY ROW, LOYDOY, S W. 1 Jelejihom: ABBEY 3974 telegrams: ETHYLPORT, SOWEST.

December 15# 19^2 AIR MAIL Mr.

Brisbane <DItnic W ic k h a m T e r r a c e B r i s b a n e , b .17 November 2 5 th 19^6 Robert A.Kehoe M.D.

TO FROM SU B JECT cc: Messrs ETH YL COR P OR ATION IN TER-OFFICE COR RESPON D EN CE B.

Mr.

4 E s s o Research and Enghheerestg Company (FORMERLY S TAN DAR D OIL DEVELOPMEN T COMPAN Y) P.

f L f J JX X N li *iMJ-XitS '*m in .m n w iw >i m o * San Francisco, California March 25, i960 FILE 120.431 X-1Q5A______ MR.

\u.gust 18, 19>!

Mr.

JLe m l Im la a sfr ie AssiM siaticKKft FE L IX EDGAR W O R M S E R ,pr e s id e n t K .C .

J .

ETHYL CORPORATION V INTER-OFFICE CORRESPONDENCE-" xo Dr.

S.

ETHYL CORPO RATION Ma n u f a c t u r i n g a n d Tr a f f i c De p a r t m e n t PLEA SE A D D R ESS REPLY T O C H R Y S L E R B U ILDING A O S L E X IN G T O N A V E..N EW Y O R K 17, October 2ro} 1 5 k j Dr.