Jtu 15# 193?

ESSO RESEARCH AND ENGINEERING COMPANY M ED ICAL RESEARCH D IVISIO N P.

Esso Resear c h and Eng ineer ing Company (FORMERLY STANDARD OIL DEVELOPMENT COMPANY) P.

% Time 1 ?

Ms.roll 27, 1955 DCWharyiiegtofhntM,FOaiethelirdoiel Division Subjects EPxearsmoinnnaetilon of Attentions Chief Engineering Section Dear Sir: bbb'fhIhfgnptiFrhseoeeaaoaooldsaarustmimmwenpot'dbxbealtliuaxieenenSstnmthaaeaeyiio.umesnnnesitan*eDt*rleodmebseqdln.dyuanoeeu*aesgHdng4t(k.ioxo)1eacIntgie'naegnogcremFogearafnesmedonrhricvtriorcintftarlemoaaeuenefinnnnnoiisaosrdivngeoretctrtlmehmiehenetemmhdmaetcodere*deefnsrte,eraovtlmriybhieaeirtttmnbohafexdareeebaianetvrn*nhamspas'dtiqiesstellmiumaoiortnnosebHaieafceangodxls,ilotefwnaaittlwoohist,amIhoeernnettamvdniodhsaaotnesattrraahm*waeottttiiaWoxittfmioihoniixfttnenhfrteefittinhh,ntghgbYefsaotithohisebatft/emercpotuilFrardoeeftgtadieioyrnihmstel,dntttceoiheaaliomeadnsmFyssi,ndsosessoiiteweaoIgrrdnhalaththtcdohhgyaostitieosafhaadtttaelsl wFI ihwealtidlilsfoaysrkoutharyeIwfpaiyussohsrpuo,ocwasineaidtleolwfbDhmeer*nagkoSiintocgdhwreeainxdlollanumbideitinoamttoviooislnstoisctt.om'Wnevreikgnnhioetwnt, Very truly yours, HAKs i s Hobart A Ivehoo, MD, 003550S

ano/) 9ndudin4ai BIO-TEST Jlalmnctfo'U&L, 9nc. 18 10 FRONTA E ROAD NORTHBROOK, ILLINOIS Telephone CResfwood 2-3030 July 10, 1961 R.

June 3, 1932 Dr.

September SO, 1927 Mr.

O O I FI BBKI AI Jun 3 0 , 1339 Mr.

May 12, 1949 D r .

March 22, 1949 Dr.

/ C l a s s o f S e r v ic e j T h is ts a fast message unless its deferred char acter is indicated by th e proper sym bol.

INTERNATIONAL LEAD ZINC RESEARCH ORGANIZATION, INC.

June 24, 1965 Mr.

APRIL, 1979 Doris Flournoy, Editor AMERICAN OCCUPATIONAL MEDICAL ASSOCIATION 150 NORTH WACKER DRIVE CHICAGO, ILLINOIS 6060 6 REGULATORY ACTION IMMINENT O N CARCINOGENS, HEXAVALENT CHROMIUM AND PESTICIDES In the first edition of the Regulatory Calendar of Federal Regulations issued February 28, the Occupa tional Safety and Health Administration has indicated that it expects to issue the final standard on car cinogens and to publish notices of proposed rulemaking covering hexavalent chromium and pesticides in the spring of 1979.