Document 2qw3yam8XwN9bjGJa95b4gEvN

bcc: Dr. R. A. Kehoe ^ Dr. G. F. Kirby Mr. M. P. Murdock Mr. S. T. Pruitt Mr. M. A. Taylor Mr. F. P. Warne March 9, i960 Mr. H. IT. Doyle, Assistant Chief Occupational Health Program Division of Special Health Services Department of Health, Education and Welfare Washington 25 District of Columbia Dear Mr. Doyles Subject: Domestic TEL Use - 1959 In accordance with the recommendations of Public Health Service Publication fT12, entitled ''Public Health Aspects of Increasing Tetraethyl Lead Content in Motor Fuel," the Ethyl Corporation herewith reports the following Information with respect to domestic tetraethyl lead use during the calendar year 1959: 1. Average TEL Content of automotive gasoline, 1.99 ml/gallon .2 Estimated TEL used in automotive gasoline, hl2 million pounds .3 "stLooted TEL used in aviation gasoline, k6 million pounds In arriving at the estimates given in items 2 and 3, Bureau of MineB gasoline demand data were used after exclusion of naphthas. On the basis of our surveys for the past few years, it was assumed that 98.5$ of the automotive gasoline and 9 9 .8$ of the aviation gasoline was treated with tetraethyl lead. The Bureau of Mines' data were taken from their monthly reports and are still subject to revision. The average TEL content of domestic automotive gasoline, as given in item 1, is a weighted value developed from Ethyl's monthlysurveys of gasoline quality at service stations. The December 1959 survey which is enclosed includes a chart at the bottom of Page 2 showing average TEL contents monthly, for the period, from December 1957 through December 1959 If we can be of further service, we will be glad to have your inquiry. Very truly yours, MEC/JP Kk 0003348 M. E. Collins, Manager Marketing Analysis & Planning