Class I Page 2 Material Fluorocarbons, unsaturated 2>I** Hexafluoropropylene s(^ Hydrofluoric acid (aqueous solutions) Lead; its oxides and salts^c DUP 0901192 MDI Mercury, its oxides and salts Methylene bi3(2-chloro-^v>^( aniline) (MOCA) "W* Methylene bio(*-phenyl- / Isocyanate) (MDI) tty MOCA yt ip .ftNitroanllineo (all i3omers) . *-**' Nitrobenzene _ <" (Vt * Nitrogen oxides > O J1 Mode of attack and exposure Respiratory system (pulmonary edetr.u); inhalation of vapors Respiratory system; by inhalation of vapors Skin; by contact Systemic; by inhalation of dustB and vapors See Methylene bi3(ll-phenyliaocyanate) Systemic; by akin contact or inhalation of du3ta and vapora Carcinogenic (questioned); by inhalation of vspora or alcin contact Respiratory sensitization; by inhalation of vapors or akin contact See Methylene bis(2-ehloro3niline) Cyanogenic; by skin contuct or inhalation of vapors Cyanogenlc and anemiogenic; by skin contact or inhalation of vapor3 Respiratory system; by inhalation of vapors Threshold Limit Value (1963) 3* 0.2 mg/i'l 0.1 0.02 ppm 1 ppm 1 ppm 5 Ppci -- f.Hnv.

Industrial Hygiene Digest Thesaurosis pulmonary function studies in beauticians Threshold limit values discussion of the interpretation Toluene encephalopathy from inhalation Toxicity testing reproducibility of single oral dose Toxicology posioning of industrial origin Trace elements determination of lead, chromium, and molybdenum Trauma, hand and arm injuries Tuberculin screening low-cost for large populations 180 176 169 156 155 163 1 27 129 Urban solid-waste management Urolithiasis, prevention 208 1 37 Waste disposal bacterial air pollution from activated sludge units urban solid-waste management White rooms adaptability of laminar air flow applying "down-flow" to dust control cleanliness meter and its application to solvent cleaning (bk. rev. ) microbiological studies in laminar down-flow clean room (bk. rev. ) ultra-clean operating rooms work station requirements.

Imbua 399 East Church Street Marion, Ohio Dear Doctor Imbus: I have been puzzling my mind over the failure of two books of mine to be returned to me, one the monograph of Nye of New Zealand on lead and chronic nephrites, and the other a bulletin of an Australian Governmental Investigation on this same problem.

FOWLER DIRECTOR OF HEALTH ANO SAFETY February 3, 1967 Dear Colleague: Enclosed you will find your copy of Volume 2, Number 4 of "The Kettering Abstracts of the Biological and Related Aspects of Lead and Its Compounds.M Ve suggest that this be placed in the 1966 binder which you have previously .i received.

EO-360-2 National Lead Company 111 BROADWAY NEW YORK 6.

Zimmermann, age 63, manager, Oncor pigment sales for National Lead Company since 1961, died at his home in Ridgewood, New Jersey, December 28th, At the time of his death he had completed 29 years of company service, Mr, Zimmermann began his company career at the Titanium Division's Paint, Paper and Rubber Service Laboratory in New York City in 1937, He directed development work on the application of titanium pigments in industrial finishes until 1941 at which time he became manager of the laboratory.

LEAD INDUSTRIES ASSOCIATION.

Kehoe: I have read the article in the America Medical Association Journal entitled "The Lead Detectives are At Work In Cincinnati" and I am vitally interested in your findings and effects of paint solvents.

Wagner SUBJECT IMPORTED ZINC 30% LEAD ANSWERING l e t t e r o f cc Mr.

Me have high hones that the engineering modifications now underway will produce significant lowering of the lead content of Building "C" air.

Further objecting, this interrogatory is overly broad, unduly burdensome and not reasonably calculated to lead to the discovery of admissible evidence.

We note that the product contains equal weights of titanium dioxide and basic carbonate of white lead, and an acrylic latex.

I hope that in due time he will see fit to take advantage of your offer to meet with you since I would be very interested in seeing whether he would be inclined to be open minded about the public health aspepts of lead in the atmosphere, or whether he is dedicated to the idea of unjustly harass ing industry.

Ow e n s , Tr e a s u r e r Ge n e r a l Of f ic e notice of Approval of Application By Executive committee, at meeting held; APRIL 3, 1963 /count Approved: $2,866.50 Date of Application; APRIL I* 1963 subject: MEMBERSHIP SUBSCRIPTION TO LEAD INDUSTRIES As s o c ia t io n , In c . f r o * Ap r il I t o Ju n e 30, 1963.

., Chairman Department of Preventive Medicine and Industrial Health Univ ersity of Cincinnati Coll ege of Medicine Cine innati 19, Ohio Dear Doctor Kehoe: The enclosed paper, entitled "A Three Year Study of Lead Poisoning in Chicago," has been submitted for publi cation in The Journal of the American Medical Association.