Lanza's outstanding accomplishment in identifying the etiology of silicosis (also called Lanza's Disease) which lead to his being in volved, and his concern with preventive medicine which resulted in Professor Drinker's being consulted in the identification, evaluation and engineering control of environmental hazards from silica; and WHEREAS It was Dr.

., whichever it*s meant to be) mentioned in the CS-219.01 Guide Specification and leads me to suspect that the treatment afforded the specimens by the Ro-Tap may be too severe* We are going to have to exper iment with other test methods of differing severity, by the modification of the Ro-Tap and by the use of other devices.

Zn the oase of Aroolor 1260. a 50* solution In oom oil developed data leading to a calculated LD50 of 10.0 gAg with lower and upper limits of 8.6 and 11.6 gAg.

Oxidation of PVA with various oxidizing agents,3-8 such as hydrogen per oxide, potassium permanganate, potassium dichromate, sodium hypochlorite (NaCIO), and periodic acid (HIO4), are known to lead to the introduction of carbonyl groups into the main chain.

PLAINTIFF'S EXHIBIT MON-58 Canister and Bottled Air Type Gas Masks These masks are thoroughly inspected semiannually and maintained in all units of the plant in cases sealed with lead wire seals.

Experts from Industry, Labor- Government and Academic Institutions will participate; Industry representatives will include leading executives of the Johns- -- Manvllle Corporation, the Owens-Coming Fiberglas Corporation, the Certain-teed Products Corporation and others as well as rep resentatives of the Quebec Mine Producers Association and the Insulation Distributor Contractors National Association; Labor representatives will include the President and appropriate staff members of the International Association of Heat and Frost Iasu- - lators and Asbestos Workers, while interested government agencies - will include the United States Public Health Service and the - * United States Bureau of Mines.. .

Removal of these natural, protective barriers can lead to drying and chapping such aa occurs with oxpoourea to paint thinners.

If so, it could be presented as a reason for accepting the slight disadvantage of an added trace of lead.

To be specific, the swelling of the joints, with stiffness and pain, has no relationship to the absorption of lead of any type.

This Defendant objects to the definitions provided with these Questions and Document Requests as being overly broad, unduly burdensome and calculated to harass this Defendant rather than lead to the discovery of admissible evidence.

ARCHIVES OF ENVIRONMENTAL HEALTH VOLUME 19 July through December, 1969 American Medical Association Publication i EXHIBIT Summary *v of the background of probl in setting occupational expo, s over the years has, hopefully > impression that a tremenof investigation, research, and udgment has been brought to development of our ideas a> vlany problems remain to tv vith our present occupational dards, the industrial hygienist if a powerful tool in the con'ational health hazards.

4 FORD MOTOR COMPANY QUALITY LABORATORY & CHEMICAL ENGINEERING CHEMICAL METHODS RESISTANCE OF PLASTIC MATERIALS TO HYDROGEN SULFIDE STAINING Application This procedure is used for determining the resistance to hydrogen suifide of vinyls, plastics, welts, etc.

Exposure Registries PAUL A.

Title: Occupational Intoxication from the Processing of Chlorophenol Compounds By: H.

I treat that wa say find a flail of Joint affort la the setters of laaA end the Lead Industries.