This would not be remarkable in view.of the presence of lead In all normal urines.

BLOOD LEAD ANDf-AMINOLAEVUL1N1C ACID DEHYDRASE LEVELS IN CHILDREN AND IN SUCKLING RATS.

The lead determinations were made by the dithizone method.

Since problems of toxicity do not differ substantially from those presented by Tetraethyl lead, the same safety recommendations will be applied in respect of manufacture and distribution as apply to Tetraethyl lead at the present time.

Since problems of toxicity do not differ substantially from those presented by Tetraethyl lead, the same safety recommendations will be applied in respect of manufacture and distribution as apply to Tetraethyl lead at the present time.

Lucas - (2) - October 20, 1955 the actual hazard and in preventing cases of lead intoxication.

Do you think it is possible for him to have gotten enough fumes from the lead to have caused him to have lead poisoning?

z Storage Battery Oxides 357,567 379,367 387,000 2.0 Battery Total 679,803 726,592 750,000 * 3.2 Terne Metal 1,409 4,500 5,000 11.0 Type Metal 20.812 19,944 20,000 -O- white Lead 4,731 2,814 1,700 -40.0 Bed Lead and Litharge 61,838 69,799 75,000 7.5 Pigment Colors 13,916 16,264 15,600 - 4.0 Other 773 337 400 18.7 L.

Company and as such, periodically take specimens of blood for analysis of the lead content in individuals exposed to the possi bility of lead intoxication.

Miss Nell Conway, has made it a point to accumulate rather extensive information on unusual eases of lead poison ing.

The proposed regulations do not make this clear and we have revised them to read: Section 2(C)(3) Childhood Lead Poisoning Lead poisoning as evidenced by a blood level of 80 micrograms ...................

NATIONAL LEAD COMPANY New York, III Broadway r Buffalo, 118 Onk Street Chicago, SOD West IBth Street * Cincinnati.

Typicalparlor ofsuite in Hotel Lexington, painted with Dutch Boy White Lead and flatting OU.

Exposure to lead sulphide (galena) and to the oxides of lead, on the other hand, may result in some deposition of mineral materials in the lung tissue, and will certainly result lr some absorption of lead, but it does not cause pulmonary irritation to any noticeable degree, nor does it cause pulmonary fibrosis.

In the absence of one of these possibili ties, there is the likelihood that for some persons in the general population the lead concentration in the blood would reach a level which is "indicative of potentially dangerous absorption of lead