The highest grade red-lead The highest grade red-lead obtainable is Dutch Boy red-lead.

Our observations vould indicate that significant lead exposure would not occur accept under highly unusual circumstances.

More than half of them said "pure red - lead " OW does the oil industry today protect metal The highest grade red-lead is Dutch Boy red-lead.

NATIONAL LEAD COMPANY HI.Broadway.

Joseph Lead Co.

NATIONAL LEAD COMPANY New York, 111 Broadway .

In fact, it is necessary to have tetraethyl lead in gasoline in concentrations well in excess of one part per thousand by volume to be able to find any evidence of lead absorption through the shin.

Some lead is utterly inevitable, since everything that springs from the earth contains traces of lead naturally.

LEAD POISONING AND THE LOCAL HEALTH DEPARTMENT Patricia Wendling Lead Poisoning Control Service, St.

Dutch Boy soft paste white- white-lead paint--the kind which lead is a semi-paste.

National Lead & Off Co. o Pa., 316 Fourtt

National Lead Company. 2.

To my mind a real under standing of the toxicology of lead and an evaluation of the danger from minute amounts of lead must eventually come from an understanding of the kind of changes which lead brings about in the organism?!.

In reply to your question on the solubility and toxicity of lead borosilicate, we can advise you that the solubility of the lead silicate is low.

Kehoe,(^) we conclude that tetramethyl lead and tetraethyl lead (TEL) are no different from the standpoint of their possible effects on the' public health.