This Company is engaged in the mining of lead and sale of pig lead, and sell their production in the United States.

Lead Industries Association, Inc.

Here is a white lead unequalled not only thus excluding the impurities found in for fineness and smoothness but also ordinary white lead.

Since such compounds as tetraethyl lead, lead acetate and lead oleate are readily absorbed through the skin, we are prone to question this character istic of the two compounds in question.

The EC lead operator will notify shipping when this occurs.

Corporation of Mew York has been referred to m for reply I and ny associates In this laboratory have sad a detailed study of the possible hazards from lead relating to the sale and distribution of gasolines containing lead* I an best answer your letter by sending you under separate over reprints of published articles from this laboratory* ` For your further Information I should like to briefly describe additional experimental observations, which have just b een completed# and which will soon -be published* We have selected a number o f subjects who have had no previous exposure to lead compounds* and have studied their lead metabolism In the laboratory over a period of months* At the end of this control period# these persons have been intro duced into positions which are representative for gasoline filling station employees# and for garage mechanics# and during this employment for a period of months we have followed their lead metabolism In the same manner employed during the control period* The results of these observations indicate quite clearly that the lead exposure associated with the handling of leaded gasoline is so alight as hot to be detected* We can not escape the conclusion that these occupations do not Involve significant exposure to lead compounds* Very truly yours# HAXiIS K 0000509 Robert A* Kehoe# M*D*

The final article, "Models for the Relationship Between Blood Lead and Air Lead," I leave up to your decision in terms of journal for publication, since this article is more statistically oriented than the other three.

I suggest that you should not allow anyone "to lead you down the garden path," with these considerations.

Prior to 1940, house paint con tained a high amount of lead Dawn In Semi-Coma was brought 4^0 Mart- and therefore lead poisoning is a greater danger in old houses, he explained. 4 land in a semicoma, and sub- If the illness is caught in time it can be fought with new medi cation, he added; but neverthe less, some children are left with brain damage, and the lead can not be gotten out f the bones.

Tha Lead Induatrlaa Aaaociatioo'a approval provides tha saaa aaaaaaaant rataa uaad for tha year 1966 of 18.4c par ton of lead in nine production, 4.6c par too of refined lead production and $1.23 par ton of lead sales.

Carter, President National Lead Company 111 Broadway New York, B.

Lead Industries Association, Inc. 292 Madison Avenue New York.

MR-9905-001 SAMPLE # 20658 CHEMICAL NAME USED FOR HASKELL LAB'S CENTRAL FILES; (.Use in the "MATERIAL TESTED'' section) Soils, Pompton Lake, contaminated with lead NAME TO BE USED IN THE REPORT: H-20658 OTHER CODES: None submitted SUBMITTER'S NOTEBOOK NO.: None submitted SYNONYMS; Lead contaminated soil (from Pompton Lake) Lead contaminated soil (PLW-l) CAS REGISTRY NUMBER: None available PURITY: NA (Note: NA was not defined by the sponsor) COMPOSITION : 4000 ppm Lead CONTAMINANTS: Hot supplied by sponsor PREPARED BY: Paul W.

The brain contained only slightly more lead than docs the normal brain.

Lead Industries Association, Inc.