( 2)6 6 3 Tetraethyl lead ( 6)6 6 3 Styrene ( 5)5 6 Vinyl ohloride (12)5 6 3 Zinc & opds

f Threshold Limit Values For 1965 f c Adopted at the 27th Annual Meeting of the American Conference of Governmental Indus trial Hygienists, Houston, Texas, May 2-4 i 1965 EC- 2009 Copyright 1965, by American Conference of Governmental Industrial Hygienists, The American Conference of Governmental Industrial Hygienists will welcome requests for permission to republish or reprint these Thres hold Limit Values.Requests for such permission should be directed to the Secretary-Treasurer, 1014 Broadway, Cincinnati, Ohio 45202.

LEAD IN SPORTS The important place of lead in the economy is constantly evident in the batteries of our cars, in the tetraethyl lead in the aasoline that makes the cars go. in plumbing, in red-leaded steel construction.

Organic lead compounds, such as tetraethyl lead in gasoline, rapidly penetrate the intact skin.

ALA and Organic Lead----- Robinson 4 lead.

PAGE 5 11 12 19 20 -11- EXECUTIVE SUMMARY This report estimates the costs of air pollution controls wfuch would be required by the lead industry (primary and secondary smelting, battery manufacture and tetraethyl lead production) should EPA promulgate either a 1.0 pg/m1 or a O.Spg/m1 National Ambient Air Quality Standard for Lead.

At present, tetraethyl lead is the only widely distributed form of lead capable of being absorbed through the skinfbut Western Electric's industrial operations do^not t\ involve J & S L u s e * ?

Layeskog, A., "A Method for Determining the Tetramethyl Lead (TML) and Tetraethyl Lead TEL in Air,'' presented to the Second International Clean Air Congress of the International Union of Air Pollution Preven tion Associations, Washington, D, C., December 6-11, 1970. r TEH 0470237 DUP050083055 -4- Blood Lead Analysis 1.

"Tellurlot lead" la chtaleal lead to which haa been added appradjcately 0.06 percent telluri.ua.

"Tellurlot lead" la chtaleal lead to which haa been added appradjcately 0.06 percent telluri.ua.

O) The natural lead content of soils varies widely.

Tetraethyl lead - J.

Tetraethyl lead - J.

Lead pictures the many fair buildings painted with white lead. 1941: Pearl Harbor -- a feature article on tetraethyl lead to boost octane for PT boats and carrier aircraft . . . cover picture: bi planes on a carrier's deck. 1945: V-J Day.

In these cars the gaso line used contained no lead.