Hurless*^ auk: N 3868 C*'-'"TM Do you have any thoughts which could lead us in ic.

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.

In informed and Intelligent medical circles,that the only proper approach to this problem is the prevention of hazardous absorption of lead.

Nat io n al Lead Co mpan y Philadelphia Branch TCLCPHOMC.

Wenbe is able to analyze these samples for their lead content in a satisfactory and dependable manner.

In the trade sales section, the exposure results on 45X Lead Silicate are interesting.

Again, through other friends with our customer companies, I learned that in discussions of the Smog Control Board lead in the exhaust gasses of cars was quite frequently mentioned but they seemed to be not too much concerned over the effect of lead.

During the fiscal year, April 1, 1949 - Sferch 31, 1950, our Laboratory Section performed the following number of chemical analyses for lead determinationj Blood........ 110 Urine * 83 These samples were submitted from 118 persons* Prom some a sample or samples of blood only were submitted* Prom ethers, a sample or samples of .urine only were submitted* From some, samples of both urine and blood were submitted*< Each case from whom a sample was submitted was "followed up" by interview with physicians, medical record librarians, or chiefs of clinics, and in 55 cases a diagnosis of lead poisoning was clinically justified.

.; rfV* Dear Mr * Boehmer* .K My associate Dr* Sanders has at tention to his recent examination of and to his letter of October 9th addressed I wish to take this means of calling your attention <>7 g5r<T " to a point which I think is of considerable importance both to us in this laboratory*and to your company# The circumstances associated with the early lead - mm exposure of your & * * 4 M H V & ?

Weloh, Rational lead Co.

AGC/mb Att: Sincerely yours, Medical Examiner in ]j> HE 0020312 w Comparative Blood Analysis for Lead Concentration Sampled 11-14-50 Gamma lead per 100 grams of -whole blood American Brake University of Cincinnati P.R.R.

Please see that he and all of the other persons involved {other safety personnel) are brought to an awareness of the fact that the Lead-in-Air Analyse is of no valuewhatsoever in carrying out determinations for the presenee of lead as it occurs in the ambient atmosphere cf cities , garages, etc.

April 3, 1959 StJBJJCTx SOLDERING HAKPAL To Members of the Lead Industries Association!

Obviously the management of acute lead encephalo pathy in small children presents a very different problem from that of chronic lead intoxication in the adult.

LEAD INDUSTRIES ASSOCIATION M EAST 4ia> OTOCCT NOW WOOK V.