Sidbury's report, there is evidence that lead excretion may be improved by the oral use of EDTA.

practical Experience* that the : old method of "gssblirie :washing*tetraethyl; lead drums by no means, completely enables all the tetraethyl lead to be blended - with the storage gasoline- In fact the great proportion of , our returned drums that have been gasoline-washed showsthat there is a considerable quantity (of tetraethyl lead left in - the wash, amounting sometimes to:-tip to>100: c.e* or more of . pure anti-knock compound. .

Same base as 115-14-5 Grade with less lead.

Valch Bntlonsl Lead Ocspeny ofeert L.

Same base as 115-145 Grade with less lead.

. - -fiVi-r*'i ' * *' ~r "t"L LEAD INDUSTRIES ASSOCIATION MEW KM IT.

TUCKER 2965 Sovei&ber 22 1955 IN D U STR IA L TOXICOLOGY PLANT SURVEY Mr* Manfred Bewditch Lead Industries Association 420 Lexington Are.

Cholak -2> February 3, 1955 Preface continue) Subcommittee on Determination of Lead in Air E, R.

It is doubtful if we can expect the distributors of leaded gasoline to I handle this matter with entire satisfaction* We are making a very careful investigation of the whole problem as the basis for subsequent recommendations, and in the course of a few months we should know just how extensive id this problem, and also how vie will have to handle it* For the present, outside of the United States we shall have to rely on the mechanisms which now exist far carrying out precautions.

Sm ogladen air contains lead fro m 'e th y l' (le a d te t r a e t h y l ) of a n tik n o c k g a s o lin e .

rrry^j X > f *,8 fcT&twl iCMQ*nOM ^ c* **iJ)CA. iwca Vol 1. s FOUNDATION FACTS SA \ : ; November* 1959 V" '`.

"Lead* " The f i r s t 19??

The lead Plfwite Tooh aloel Coualttee of Lead Zaduatrlea Association la at all tinea active la laboratory aad field testlag ef apeelal paint# te lapreve leed p&g aented painto currently reoognlaed aa the standard for painting brldgs and structural steal.

Lead Dust, Under a new subheading "Lead Dust," only three respirators are now listed.

*c&'' LEAD INDUSTRIES ASSOCIATION M BOOT Mb* OT*aKT tr, m..