Trade-marks remain the property of National Lead Company with C.T.P. as the registered user.

Of particular importance to us I believe is the statement on page 14 rela tive to Lead--Effects on Human.

Thus the hematocrit on the capillary sample may vary significantly from the hematocrit of a venous sample, which could intro duce a significant variable with reference to lead.

Lead is indeed a normal, i.e., physiological, constituent of vegetation, as we have demonstrated; it also occurs in and on vegetation in abnormal quantities under appropriate conditions.

Lead Exposure and Lead Poisoning".

Generally, we recommend against coverting containers that have bean used for transportation of leaded gasoline into service for edible products destined for either animal or human consumption.

LEAD INDUSTRIES ASSOCIATION, Inc. 292 MADISON AVENUE NEW YORK.

ftlacaraly youre^ Secretary, lead Mfanta Technical Ccwdttea I"

INGRAM CONSULTING ENGINEER WEST COAST OFFICE: 90 Panoramic Way Walnut Creek, California Code 415--YEllowstone 4-7582 January 20, 1961 Dear Sir: Several weeks ago I had a letter from Francis Eider referring to the report published in 1943 by A.P.H.A. entitled, "Occupational Lead Exposure and Lead Poisoning."

LEAD INDUSTRIES ASSOCIATION 292 M ad iso n Avenue New York 17, N.

National Lead Floating Floors.Inc.

Sam Convery National Lead Company New York, N.

DeLore Oivision, National Lead Company, St.

in these cases and are not reasonably calculated to lead to the discovery of admissible evidence.

jgfe 1 \^ LEAD INDUSTRIES ASSOCIATION, INC. 292 Madison Avenue New York, New York 10017 JUL 11959 w .t . t : July 1, 1969 National Lead Co 111 Broadway New York, New York 10006 Attn: Mr.