October 3, 1968 Mr.

March 18, 1943 Mr.

March 5, 1971 Dr.

lyC- ETEYL CORPORATION l600 West Eight Mile Road Ferndale, Michigan #k8220 TO REGIONAL MANAGERS '' December 6, 1967 Product Service -Circular Letter Number PS-7-6 7 Subject: SAFETY POLICY COPY FOR _____________ .____________. .

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j: ETHYL CORPORATION lOO PARK AVENUE BUILDING AT 41st STREET NEWYORK 17, N.

Aprii 4, IMO MMrr..

J.

D O N A LD A.

Marcii 25, 1948 D r .

i / Toi From: The Clinical Research Connattee of the College of Medicine of university of Cincinnati, and to Others 0 It May Concern EobertA.Kekoe,* M.D., Principal Investigator Subject: INVESTIGATION OF THE METABOLISM OF 1BAD IH THE HUMAN ORGANISM Title of Present Phase of Investigation: The Fate of Inhaled Partieulate lead Compounds . . )' :

LTD 48-51 June 7, 1948 ETHYL CORPORATION Research Laboratories Detroit, Michigan THE USE OF LEADED FUEL IN GASOLINE BURNERS PURPOSE To investigate the service life of various commercially available gasoline burning appliances operated on gasoline containing TEL, and the health hasards resulting from the lead.

June 20, 1974 %> Oo <:> o Mr.

CHICLE DEVELOPMENTCOMPANY BOOFIFTH VENUE New Yor k.

REPORT ON THE MEETING HELD AT SHELL-MEX HOUSE ON 15TE OCTOBER .1945- S U B J E C T CLEARING OF TANKER COMPARTMENTS ~ " WHICH HAVE CONTAINED LEADED SPIRIT