FILE NAME: Norfolk & Southern - WC Case - Ancel Wheeler (NS) DATE: 1951 Apr 17 DOC#: NS041 DOCUMENT DESCRIPTION: Physician Report O o CEDAR 1-1232 C DRS.

FILE NAME Cape Asbestos CAPE DATE 1959 Apr 13 DOC CAPE144 DOCUMENT DESCRIPTION Confidential Letter from Cape Asbestos to NAAC RE Directors for NAAC Legal - Tibbs Case Exhibit 42 22 190 h { r a . ' / THE CAPE ASBESTOS COMPANY LIMITED HEAD OFFICE 114 & 116 PARK STREET LONDON W TELEPHONE GROSVENOR 6022 TELEGRAMS LONDON BARKING WORKS HESDEN BRIDOE KENTHERE KENTHERE UXBRIDGE BEDFORD SENONI - 8 A.

FILE NAME Colonial Sugar Refinery CSR DATE 1956 Dec 6 DOC CSR135 DOCUMENT DESCRIPTION Govt Inspection Results - Wittenoom Gorge - Australian Blue Asbestos - J.

FILE NAME Kent KNT DATE 1951 Mar DOC KNT120 DOCUMENT DESCRIPTION Journal Article - Cancer of the Lung in Relation to Tobacco - British Journal of Cancer BRITISH JOURNAL OF CANCER VOL V MARCH 1951 NO 1 CANCER OF THE LUNG IN RELATION TO TOBACCO M.

FILE NAME Kent KNT DATE 1956 Sept 4 DOC KNT026 DOCUMENT DESCRIPTION Patent - Filter for Tobacco Smoke United States Patent Office Office Patented 2,761,798 1956 material in which some of diahm ave e dia- me- -ters -ters outside in 0.1 0.6 micron range saty he substantial 2,761,798 range of microns provided a pro- FILTERTOBACCOTOBACCO SMOKE the portion of 5 specified diameter are present . the case of asbestos it has been found that fibers Harold .

FILE NAME Quebec Asbestos Mining Association QAMA DATE 1950 Dec 4 DOC QAMA086 DOCUMENT DESCRIPTION Memo to I.

October. 1955 cannot be confused with other pneumoconioses.

FILE NAME Bechtel BECH DATE 1950 Sept DOC BECH030 DOCUMENT DESCRIPTION Trade Journal Article - Bechtel Briefs ~ O Syi is q Le. ial eau ee ' puomy E auoy .* ur ' abet 3e,, aro 93% oaour Jo rd Raia .

FILE NAME Talc TALC DATE 1959 DOC TALC007 DOCUMENT DESCRIPTION Excerpt from the Annual Report of the Chief Inspector of Factories on Industrial Health papers pian he Set ae 1 etac+maeaetelfe toParliamentbythe MinisLterabourez eae i vonad 4 poorer chance of recovery than one who otherwise had This well substantiated past experience owing to the availability of may however not be effective healthy so true lungs today tuberculosis particularly in the early result of which the incidence of risk of infection by contact has beenturbeedrucucleodsis has fallen markedly and the Exposure to silica dust occurs in the containing rock and stone in the mining and quarrying of silica- materials among masons manufacture of certain types of refractory and the pottery industries and coalminers and in the metal founding where silicosis has occurred mention a few of the industries and occupations The precise manner in tissue is still not finally ewshtiacbhlissihleicda exerts its harmful action on the lung Originally it was considered to be mechanical irritation caused by the small sharp recent view is that the effect is silicic acid as the silica very slowly dissolves in the immunological iasntdhearefsouultrtohf atnhe most recent that the fibrous tissue formed in the lungs response The amorphous synthetic silicas which which have become in recent years are increasingly used composed of extremelyextremely minute particles which remain small even when aggregated into clumps clumps Animal determine their fibrogenic activity andand main negative and so far no harmful harmful general dusting experiments to toxicity have been in the use of these effects in humans are known The compounds is being kept organs remote from the lungs is being borne microscopically Asbestos consists mainly of the silicates of forms and the dust which magnesiummagnesium and iron in fibrous fibres is a cause of fibrosis of is in the form of long sharp resemble those of the lungs The symptoms of asbestosis silicosis although the ray changes are very different Like silicosis asbestosis is a disease of insidious permanent disablement On the other hand onset which may lead to associated with tuberculosis than asbestosis has been less evidently evidence of silicosis has been There is moreover cancer an association Asbestos between asbestosis but not silicosis and lung dust is generally considered to act irritant to the lung tissues as a mechanical With the exception of asbestos silicates silica in not cause damage to the lung tissue to a combined form do by free silica a degree comparable to that caused in However prolonged exposure to some other silicate dusts heavy concentrations may produce a being that due to talc dust pneumoconiosis the best known Talc or soapstone is a silicate occurring in fibrous or plate form closely resembling asbestos particles confer chemically The flat plate good lubricating properties for which talc is in industry particularly in the rubber plastics and metal widely used founding industries 54 Although earlier fatal c had been described the first examination was described Inspector of Factories and | cases have been reported bo Cases of a diffuse fibros dust have been reported a men were engaged in the m powder in which process is oxidised to alumina a of dust of less than 10 mi period is very variable and are tiredness loss of appet ness of the chest ray . a diffuse increased fibrosi may be associated with t death often results from F This condition may hav has occurred in individu bauxite The fumes to alumina and finely divided A study of death certif lungs and the occupation to be found on page 38 Inert Dusts not producing Certain other dusts chic of barium when inhaled ray appearances of the those produced by silic metallic compounds whi the part of the lung tissu to the individual .

FILE NAME: BF Goodrich (BFG) DATE: 1952 DOC#: BFG030 DOCUMENT DESCRIPTION: Published letterfromJournal f i PLAINTIFF'S 1 2 EXHIBIT CORRESPONDENT > t'Kw.Bii!

FILE NAME: Chevron (CHV) DATE: 1959 DOC#: CHV011 DOCUMENT DESCRIPTION: Letters 200 Ultf 3 A STANDARD OIL COMPANY OF CALIFORNIA SUBSIDIARY BUSH STREET SAN FRANCISCO 20 CALIFO RNIA J-u c<MfiLvLIN!

FILE NAME: National Safety Council (NSC) DATE: 1957 Jan DOC#: NSC032 DOCUMENT DESCRIPTION: NSC- National Safety News - Diseases in Foundry Workers I P 6 0 PUNCH PRESS FEEDER A speecl-up tool for lifting, feeding and position ing blanks of metal and other materials in stamping machines, and die presses without in serting the hands or fingers within the danger zone , . , Used for separating sheets, transfer ring from piles or stacks.

FILE NAME: Saranac 7th Symposium (SSY) DATE: 1952 DOC#: SSY024 DOCUMENT DESCRIPTION: Agenda for Sept 25 AM Session - Clinical Aspects of Pneumoconiosis SEVENTH SARANAC SYMPOSIUM TEB SARANAC LABGRATORY o f th dwsrd L Truio&.u Fo'uii<lAtioa* Sartn&e LAk, Nov York Thursday S e s s i o n Sep tem b er 25# 1952* * t I \ \

FILE NAME: Saranac 7th Symposium (SSY) DATE: 1952 DOC#: SSY043 DOCUMENT DESCRIPTION: Agenda for Entire Symposium SEVENTH SARANAC SYMPOSIUM SEPTEMBER 22 n SEPTEMBER 26 1952 THE SARANAC LABORATORY EdowfatrbdoL Trudeau Foundation Saranac Lake, Now York * .ty.....

FILE NAME: Saranac 7th Symposium (SSY) DATE: 1952 DOC#: SSY049 DOCUMENT DESCRIPTION: Text of Presentation by Ms.