<j|0Hkfehas not had a recent significant exposure to lead which has resulted in any considerable amount of lead absorption.

.; of Illlnol* for the aoadenic year 1957-1953 for research on lead in ceramics.

Kehoe Kettering Labratory C inc innati, Ohio ii Dear ISir: Our plant has started program for periodic monthly checks of employees handling lead or lead compounds.

mji * 'n.yij* y LU22060 rfc - LEAD INDUSTRIES ASSOCIATION 4S0 UDUNOTOM AVOWS Nrw vomc it , k . r.

*>** I***" LIA10265 r* -m LEAD INDUSTRIES ASSOCIATION OC LCXiMOTO* AVXNUC KIW TOAK I?

Joseph Lead Co.

Even though a dust is classi fied as harmless, excessive amounts of it.can lead to trouble by causing a pneumoconiosis' or simply by me chanically irritating the walls of therespiratory system.

FILE NAME: Mine Safety Appliances (MSA) DATE: 1954 DOC#: MSA011 DOCUMENT DESCRIPTION: Trade Journal Article [A 2nd Look at Welding Hazards] & Advertisements 3, Po77O N Editor-in-Chiel ALFRED M.

FILE NAME: American Optical (AOP) DATE: 1954 Oct DOC#: AOPOOl DOCUMENT DESCRIPTION: Journal Article I Editor-in-Chief ALFRED M.

Th is one w as lead octoate.

The Medical Officer-in-Charge was again advised of our suspicions and this man is at lead poisoning ma

FILE NAME: Mine Safety Appliances (MSA) DATE: 1954 DOC#: MSA011 DOCUMENT DESCRIPTION: Trade Journal Article [A 2nd Look at Welding Hazards] & Advertisements 3, Po77O N Editor-in-Chiel ALFRED M.

This defendant objects to this request on the basis that it seeks information which is not relevant to the subject matter of this litigation and is not reasonably calculated to lead to the discovery of admissible evidence, except as it relates to the period of time during which this defendant engaged in the manufacture, sale and distribution of its Kaylo asbestos-containing products.

The lethal do-sages and concentrations are of the order (somewhat less) of tetraethyl lead.

This defendant objects to this request as being vague, ambiguous, irrelevant, overly broad, burdensome and oppressive, not reasonably calculated to lead to the discovery of admissible evidence and not limited to any issue which is the subject of this case.