At the time the use of tetraethyl lead in gasoline to prevent detonation during the combustion process in automotive engines was still in the developmental stage, Webb expanded the research department, initiated by Thomas Midgley, Jr. in 1924, to engage in broad research into the performance of automotive and aeronautical engines, and into many other related mechanical and chemical problems.

IH WAXX Asbestos Benzene Burner Welder Carbcnyls-HI end Co Physiologically Inert High Bolling C atalytlcally Cracked 011s Isopropyl Alcoftol Mfg, Leadbumer Methyl Chloride Mercury Noise Painter Radiation (Ionizing) Shale Oil (Inactive Group) Sandblaster (Also other free s ilic a ) Tetraethyl Lead Tinners Wax Operations (Inactive group) , ,.J' / / Vr- '/>.

Skin absorption is of significance only from such organic compounds os lead tetraethyl. 0.2 White crystals--highly toxic.

CHLORINE PROPYLENE CHLOROHYDRINS, CRUDE PROPYLENE OXIDE CROTONALDHYDE SULFURIC ACID 1,2 - DICHLOROPROPANE SULFURIC ACID, SPENT DICHLOPOPROP3NE EPICHLOROKYDRIN ETHYLENE ETHYL ETHER TETRAETHYL LEAD TETRAETHYYLEAD MIXTURES VINYL ACETATE VINYLVINYL CHLORIDE (MONOMER) ETHYLENE OXIDE VINYLIDENS CHLORIDE TEN 2993

One aspect of the coordination referred to was accomplished through the multiple role O. while acting as chief medical consultant UMedical Director; to Ethyl Corporation# and medical consultant# in relation to the manufacture oi tetraethyl lead# to Du ront.

NORTH CAROLINA STATE BOARD OF HEALTH* J.

An Informal meeting of pro ducers of tetraethyl and tetramethyl J.em2 vlth L.I.A.

An Informal meeting of pro ducers of tetraethyl and tetramethyl lesj viih L.I.A.

We began our work on the hygienic problems associated with tetraethyl lead, in the General Motors Research Laboratory in the summer of 1924,, when my duties in this Medical School could be shelved temporarily.

We began our work on the hygienic problems associated with tetraethyl lead, in the General Motors Research Laboratory in the summer of 1924,, when my duties in this Medical School could be shelved temporarily.

Some of this attention has focused on the role of tetraethyl lead as an additive to most gasolines.

Exposure to Lead; All natural foods contain small quantities of lead because lead is present in all living things.

Hornbeck N13333.01 HE 0012779 rp'Vlfr / aspects of lead in gasoline, X attach the following .publi cation - "Public Health Aspects of Increasing Tetraethyl Health Service and should be useful in stating your caso with the Ministry of Danish Health.

Hornbeck N13333.01 HE 0012779 rp'Vlfr / aspects of lead in gasoline, X attach the following .publi cation - "Public Health Aspects of Increasing Tetraethyl Health Service and should be useful in stating your caso with the Ministry of Danish Health.

\ RULES AND REGULATIONS COMMONWEALTH OF PENNSYLVANIA DEPARTMENT OF HEALTH CHAPTER 4 Article 432 Regulations Establishing Threshold Limits in Places of Employment (Adopted October 27, 1961) (Revised Aug. 17, 1965) PENNSYLVANIA DEPARTMENT OF HEALTH P.