I wish to call your attention to on which may or may not be of interest to you because of its subject, but which I think will interest you because i t gives the details of experimental observations oh the balanced intake and output of lead in the case of normal sub jec ts * This article, is entitled "An Appraisal of the Lead Hasards As: oeisted with the Distribution and Use of Gasoline Containing Tetraethyl Lead".

Kehoe and the sponsorship of the tetraethyl lead producers.

We have not had a case of lead poisoning in the manufacture of tetraethyl lead, which is much the most dangerous of the lead trades, since the middle period of the war, and we had had none up to that time since 1928.

We have not had a case of lead poisoning in the manufacture of tetraethyl lead, which is much the most dangerous of the lead trades, since the middle period of the war, and we had had none up to that time since 1928.

Petroleum Series, 99; Gasoline, 100; Occupational Exposures, 100: Path ology, 100; Signs and Symptoms, 100; Laboratory Findings, 101; Dis ability, 101; Treatment, 102; Illustrative Cases, 103; Tetraethyl Lead, 106; Toxicity, 106; Pathology, 107; Symptoms and Signs, 107; Prodromal Period, 107; Physical Examination, 107; Complications, Sequelae, and Convalescence, 107. 99 CHAPTER X The Aliphatic Hydrocarbons--Cont'd.................................................................. 109 The Alcohols, 109; Methyl Alcohol, 109; Ethyl Alcohol, 110; Propyl Al cohol, 110; Butyl Alcohol, 110; Amyl Alcohol, 111; Treatment.

Automobile gasolines are not permitted to have more than 3 c.c. of tetraethyl lead per gallon, and at this concentration or even a little higher, the opportunity for lead absorption is negligible, under the ordinary conditions of commercial handling.

, An Appraisal of the Lead Hazards Associated with the Distribution and Use of Gasoline Containing Tetraethyl Lead.

For our own purposes in the tetraethyl lead industry ve do not regard the conditions as satisfactory If the lead concen tration is in excess of 0*75 mg. of lead per 10 cubic meters of air.

For our own purposes in the tetraethyl lead industry we do not regard the conditions as satisfactory if the lead concen tration is in excess of 0.75 of lead per 10 cubic meters of air.

Automobile gasolines are not permitted to have more than 3 c.c. of tetraethyl lead per gallon, and at this concentration or even a little higher, the opportunity for lead absorption is negligible, under the ordinary conditions of commercial handling.

duced by organic lead in the form of tetraethyl lead (TEL).'

Accordingly, the number of directors representing the tetraethyl industry was in creased to two for 1966-67, but this change was not regarded s precedent setting by this nominating committee.

With reference to your recent article in the B.M.J. 0n Tetraethyl lead poisoning I think this patient is your number 3 and 1 thought you would like to know about. him for contrary to your general experience of these patients he does not seem to have made a complete recovery.

4 'f 5=4 OO C=3 Industrial Hygiene Digest Pulmonary edema at high altitude obstructive bronchopulmonary disease surface tension in atelectasis Radiation (ionizing,nuclear,x-rays, etc.) accidental exposure to S-35 field inside space vehicles Respirator(s) purity of compressed air for Respiratory infection following tracheostomy Respiratory disease and humidity in West Virginia coal miners Rockets atmospheric monitoring of toxic levels Safety glasses nonindustrial Smoking cancer and life span of smokers chronic bronchitis and emphysema Sodium chloride poisoning ot infants Space flight effect of electromagnetism on organism monitoring trace constituents in spacecraft radiation inside space vehicles Sulfur-35 accidental exposure to Tetraethyllead see lead tetraethyl T etr amethyllead see lead tetramethyl Thermal precipitator analysis of airborne dust Thorotrast progressive myelopathy Toxicology multi-animal test system Trace constituents monitoring in spacecraft May, 1964 434 436 439 496 497 505 435 504 482 499 516 441 442 456 493 500 497 496 Tracheostomy respiratory infection following Trauma coagulation and fibrinolysis in injured patients pathologic fractures 435 432 433 Tuberculosis alcohol consumption and smoking of patients 437 Ultrasonic(s) effect on brain ot rabbits effects on normal tissues 489 490 Ultraviolet light abnormal reactions of man to 445 United States air equality 507 Uranium significance of urine excretion data 459 Ventilation humidity and respiratory infections verification of equations 504 503 Waste disposal from petrochemical processes 520 Water pollution by outboard motors 519 Weather and cough 492 Zirconium pyrophoric properties 460 465 465 475 494 452 500 03121481 37.

These will cover items 17, E5, 9, and 33 that you mention, insofar as question 37 was concerned, that was also changed to 4 U, S, gallons* under question 40 we used a factor of 470 pounds of tetraethyl lead per large drum as an approximation of the actual figure 47S.86* The factor for lo gallon drams of 85 pounds was based, I believe, on the percentage of lead in the present aviation mix* I assumed that the greater proportion of 10 gallon drums used in this country, were used for aviation mixing* Under question 45, v?