They vlll be useful, however, in the case of those men whose work brings them into exposure with metallic lead and inorganic lead compounds.

On the other hand, if the matter-goes to court and if the ques tion of lead enters into the matter, I believe that it will require adequate expert testimony in order to overthrow the hypothesis that the entire matter is one of lead poisoning.

LIA16278 *... a LEAD INDUSTRIES ASSOCIATION 4i0 LCXmOTON AVtNUS NXW TOM 17, N.

A c t u ^ 3 ^ : the only danger `which is thought of b y us in:connection^with tetraethyl lead in gasoline Is that of{;the possibility of .lead?

per* lead ait rate to a 11 ensile t?'.

TETRAETHYL LEAD (TEL) . 0.075 mg/ m^(as lead ) - S k in Fxten sive and ca r e fu lly co n t r o lle d m an ufactur in g exp er ien ce has in d ica t e d t h a t a ' le v e l o f 0.075 mg-per cu b ic meter o f a ir (measured as lead ) is a good gu id e lin e fo r an allow ab le a ir con cen tr a tion o f TEL.

Was the property tested for the presence of lead?

lpcreenl metallic lead which/ If In gested by a child, can result in lead puisonlng.'

rite Lead in Oil,

I do wish to say at the outset, hovever, that in my opinion you are making somewhat of a mistake in doing only blood lead determinations as a means of measuring occupational lead exposure.

Soft paete lead, ext-rlor rimer, pure shit* lead , aint."

LIA23922 LEAD INDUSTRIES ASSOCIATION, INC.

(d) The percent of lead is determined as lead metal (Pb) based on the total solids of the paint.

MEMBERS OF LEAD INDUSTRIES ASSOCIATION, INC MARCH, 1982 Allied Lead, Inc. 820 West 120th Street Chicago, Illinois 60643 Alpha Metals, Inc. 600 Route 440 Jersey City, New Jersey 07304 Amax Lead & Zinc, Inc.

Lead la limited to leas than .5# Mtalllc lead/too of lead produced.