June 19, 1948 Dr.

Required: B-D, 20 ml* Vacutainers See letter of October 23 from J.

Gommittee of the Progressive hfair P)ye Industry Ro o m 510-11, 60 Ea st 42n d St r eet Ne w Yo r k , Ne w Yo r k 10017 April 1, 1969 Members Co mbe Ch em ic a l , I n c .

GommitteeoftheProgressive Hairi/e Industry Room 510-11, 60 East 42n d St beet New York, New York 10017 M em bers Combe Chemica l , In c .

ETHYL CORPORATION RESEARCH AND ENGINEERING DEPARTMENT RESEARCH LABORATORIES 1600 WEST EIGHT MILE ROAD PERNDALE 20, DETROIT, MICHIGAN April 2h, 1956 Dr.

w ritte n by Mr Tegnar !

I fc t m a i'.'

April 193$ Mr* F* E* Wormser Lead Industries Association %20 Lexington Avenue Hew York vity Hew York Dear Mr* Wormsr:~ X am already familiar with the article by Dr* Horatio B, Williams to which you referred in your letter of April $th* As a matter of fact* Philip Drinker of the Journal of Industrial Hygiene ashed me to review the article for their abstract service* X did so but 1 found it necessary to review it at some length in order to cover the matter adequately* and there was not room in the Journal for an abstract of the sise I provided* Accordingly the review will not appear.

V . , ILeaid !

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September 29, 19lht Mr*,, Richard M, Page, iChtehhwryylYsolGerkrasCBouilitinyled. inCgo,rporation, Dear Ur..

BANKERS INDEMNITY INSURANCE COMPANY NEWARK NEWJERSEY CLAIM DEPARTMENT ---------------C.

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osara* d oottim m os dalia ;%* p*P*- l&*5f:5 Date eff rap* Cinela ta ti* d i e 1^1*11 SG* 193?