famous Dutch Boy white-lead."

Pittsburgh, National Lead & Oil Co. of Pa., 316 Fourth Ave.

National Lead if Oil Co. ofPa., jtd Fourth Ave.

Present capacity - 15,000 tons white lead per year.

Such a product is Dutch Boy white-lead.

Present capacity - 15*000 tons white lead per year.

Such a product is Dutch Boy white-lead.

Among these thousands of people, there have been no evidences of injury from handling Ethyl Gasoline that have been in any way different from the consequences of handling ordinary gasoline, fhere have been no oases of lead poisoning and there has been no evidence of lead absorption.

In addition to the lead plant, a modern Red Lead and Litharge plant will be con structed which rill be of reinforced concrete, four stories high, accommodating four furnaces, and the most modem red lead working equipment available will be used.

Webb: In further inference to our conversation concerning the use of tetraethyl lead in gasoline other than that now marked as ethyl gasoline, it is my understanding that it i3 the intention of your company to permit the use of tetraethyl lead In gasoline other than that so marked, in amount not to exceed 1 1/2 cc. per gallon,' that all such gasoline will have a distinctive color; and that the pumps from which such gasoline is sold will be marked with a label similar to that now used on pumps for ethyl gasoline - that is, a label with black letters on a white background, the letter to be of the same size as now used but the wording to be as follows: FOB USE AS A MOTOR FUEL ONLY CONTAINS LEAD (tetraethyl) The Service can see no objection to the above proposal, provided the recommended precautions In regard to ethyl gasoline are used (as given in Public Health Bulletin No. 162* J'The Use of Tetraethyl Lead Gasoline In its Relation to Public Health", copy enclosed) covering the mixing and marketing of ethyl gasoline.

Webb: In further inference to our conversation concerning the use of tetraethyl lead in gasoline other than that now marked as ethyl gasoline, it is my understanding that it i3 the intention of your company to permit the use of tetraethyl lead In gasoline other than that so marked, in amount not to exceed 1 1/2 cc. per gallon,' that all such gasoline will have a distinctive color; and that the pumps from which such gasoline is sold will be marked with a label similar to that now used on pumps for ethyl gasoline - that is, a label with black letters on a white background, the letter to be of the same size a 3 now used but the wording to be as follows: FOB USE AS A MOTOR FUEL ONLY CONTAINS LEAD (tetraethyl) The Service can see no objection to the above proposal, provided the recommended precautions in regard to ethyl gasoline are used (as given in Public Health Bulletin No. 162* J'The Use of Tetraethyl Lead Gasoline in its Relation to Public Heal t h ", copy enclosed) covering the mixing and marketing of ethyl gasoline.

In addition to the lead plant, a modern Red Lead and Litharge plant will be con structed which -ill be of reinforced concrete, four stories high, accommodating four furnaces, and the most modern red lead working equipment available will be used.

Poisoning from carbon monoxide would arise long before the concentration of lead would reach a point where even cumulative poisoning is to be feared.

Joseph Lead Company, 60 7/all Street, New York, N.

Edsall: I am enclosing a copy of the last lead report and of the letter sent to Dr.