In the United States, some transportation industries including railroads
never made legal provision for workers compensation. As a result, employees who develop
occupational diseases must bring suit against their employers in an appropriate legal
forum. In the case of railroad workers, there has been intense exposure to asbestos
insulation dust in roundhouses where locomotives were overhauled. The old steam
locomotives were equipped with large quantities of asbestos insulation. Severe asbestos
exposure in railroad maintenance work is apparently a thing of the past in the United
States, with the replacement of steam locomotives by diesels and the substitution of
asbestos-free railroad brake shoes. However, the toll of disease from past years is great
(T.F. Mancuso. Mesothelioma among Machinists in Railroad and Other Industries, Amer.
J. Industrial Med. 4:501-513, 1983).
Medical directors of the railroad companies held annual meetings starting in 1921 under
the auspices of the Association of American Railroads. The meetings of the Medical and
Surgical Section, as the group was known, or simply the Medical Section in later years,
were often concerned with occupational health and safety and proceedings of the working
sessions were published and distributed to the membership. The members of various
committees and the attendees of each meeting were duly recognized in the proceedings, with
each doctor's company affiliation designated.
The following notes of the meetings through 1958 relate to the forseeability of
asbestos hazards by the medical officers of the railroad companies. The documents were
located in the library of the Interstate Commerce Commission in Washington, D.C.
(Proceedings of the Medical and Surgical Section of the Association of American
Railroads). Relevant page numbers are noted in parentheses.
1932: Committee on Occupational Diseases and Rehabilitation reported
on "Dust as an Industrial Hazard" (60-62), discussing pneumoconiosis at length.
It was noted that chest X-rays were diagnostic of fibrous tissue. Many symptoms of
pneumoconiosis are cited, hypersusceptibility to infection in the lung is noted. Wetting
and ventilation are offered as control methods. Asbestos not explicitly mentioned.
1933: Report of the same committee by same title, recommends
respirators in addition to the above measures as controls. Asbestos not mentioned.
1935: Report of the same committee now has a subtitle
"Pneumoconiosis" (89-90). "Asbestosis is not a common condition but it
causes extensive pulmonary fibrosis and takes on a more rapid course than does
silicosis." Following, "(A)s railroad surgeons (we) are undoubtedly more
interested in silicosis and asbestosis than in the other types." Examinations upon
hire were advised to include complete history and physical, with chest X-ray "for
diagnosis and future record."
For old employees with a history of working in dust and having the classical clinical
symptoms, we suggest
1. To make a change in his occupation.
2. To make an X-ray of his chest for lung tissue.
In the way of prevention it becomes necessary:
1. To educate all concerned.
2. Get rid of dust.
3. Sprinkle the working area with water.
4. Have employees wear inhalers.
5. Have frequent analyses made of the dust content of the air at different times during
the working hours.
1937: Discussion of occupational disease compensation and prevention
laws enacted in Illinois, with mention of extended statute of limitations for asbestosis
and silicosis claims. (19) Concern expressed that state distribution of pamphlets would
"create a fear complex" with resulting unjustified workers' compensation claims.
Silica, asbestos, and lead are the principal substances generating toxic dusts to which
railway employees may be exposed. (20)
Pre-employment physicals and histories are again recommended, as well as periodic
physical examinations of employees "in occupations in which known hazards
exist." (21) Control measures discussed include: exhaust ventilation of dusty
processes, substitution of safer materials and methods of handling, and use of personal
protective equipment such as respirators approved for the intended use by the U.S. Bureau
of Mines. (21-22) It is reiterated at the end that asbestosis and silicosis are dust
diseases and can be contracted only by breathing asbestos or silica dust. (22)
1951: CDR report section on Pneumoconiosis contains the same 1952
language all three years. Opens with, "The Committee ..." 1953 mentioned
"silicosis and asbestosis as forms of the disease most interesting to railroad
surgeons." (38 in 1951; 35 in 1952; 34 in 1953) Exam at time of hire to include
history and chest X-ray, "particularly in those occupations where unusual quantities
of silica or asbestos dust have been encountered or are contemplated as a routine
occupational exposure." Periodic exams of such workers also recommended, with X-ray,
and those presenting symptoms to be considered for removal and counseling. Indexes in 1952
(42) and 1953 (41) list all years of Medical Section published proceedings in which the
Committee previously discussed pneumoconiosis.
1958: The entire Medical Section of the Association of American
Railroads hosted Dr. Alton Ochsner, a lung cancer surgeon from New Orleans. He had been
affiliated with Illinois Central and Southern Pacific. (81)
There is very good proof that asbestos is a cause of carcinoma. This is seen in
individuals working with asbestos, particularly miners. It is also seen among plumbers who
work with asbestos, steamfitters particularly. (81)
He said "Heuber" did a study "in which he showed there was a higher
incidence of cancer among the operating staffs of the railroads than among the
non-operating staffs." Ochsner attributed this finding to a preponderance of males in
operations and females in offices (there was a well-recognized difference in incidence of
the disease between the sexes).
He said people in these occupations with which an increased risk of cancer has been
shown, who develop cancer themselves, are usually heavy smokers, and the smoking is the
cause, not occupation. He noted that the only doctors who doubted smoking caused cancer
worked for tobacco companies or smoked themselves. (84) Railroad doctors were advised to
check smoking histories and tumor cell types of workers filing for compensation for lung
If they have an adenocarcinoma, it has not been produced by smoking because it is not
related to smoking.
Heuber had reported that lung cancer cases were more than three times as numerous among
"operating" railroad workers (engineers, firemen, brakemen, conductors,
switchmen, and roundhouse personnel) than "non-operating" workers. Yet the
former group made up only about 25 percent of the work force. Heuber suspected oil and
coal combustion products as a cause of occupational cancers (A Quest Into the
Environmental Causes of Cancer of the Lung Washington: Public Health
Service Pub. 452, 1955, p. 16).
Railroad companies operating in Illinois looked into the industry's asbestos problem
and other occupational disease threats following enactment of workers' compensation
legislation in Illinois in 1936. A group of management representatives called the General
Managers Association developed these guidelines in 1937 (documents produced by Illinois
Gulf Central Railroad Co. in 1987):
REVISED RECOMMENDATIONS COVERING RULES AND INSTRUCTIONS OR PREVENTION OF
ASBESTOSIS. THESE RULES TO SUPERSEDE THOSE ADOPTED BY THE SHOP AND ENGINEERING
COMMITTEE ON JAN. 18, 1937.
1. Respirators should be furnished by the Company and they should be worn at all times
by employees handling asbestos. Attention is called to some of the specific instances
where respirators are required:
- Loading or unloading shipments of asbestos.
- Mixing asbestos.
- Removing lagging from boilers.
- Removing lagging from pipes.
- Breaking up or grinding asbestos.
2. Before removing lagging from a boiler, either locomotive or stationary, asbestos
must be sprayed with water sufficiently to lay the dust.
3. Removal of lagging from locomotive boilers should be done when there is the least
number of men working in the vicinity, and all such men should be protected by wearing
4. Grinding asbestos causes excessive dust. Where such operations are performed and
facilities are equipped with exhaust systems, employees should also be required to wear
approved respirators. When exhaust systems are not provided, employees so engaged should
be required to wear air masks or helmets with clean dry air furnished from an outside
5. Each employee required to wear a respirator should be furnished one for his
individual use or one that has been sterilized if previously used by any other person.
6. To insure maximum protection from respirators, only those that have the approval of
the U.S. Bureau of Mines should be furnished.
7. Foremen should make periodical checks to see that respirators fit properly, and to
note that they are in good condition.
8. Foremen should be held responsible for seeing that respirators are worn in
accordance with instructions.
9. It is suggested that the above recommendations be communicated directly to the
foremen involved. Publicity on the above might suggest the making of claims.
Railroad claims agents also discussed asbestosis at
meetings and in their journals in the 1930s (P. Folger, "Legal and Other Aspects of
Dust Hazards," Minutes of the 45th Annual Meeting ofthe Association of Railway Claims
Agents held in May, 1934, pp. 27-48; OG. Browne, 'Silicosis', The Bulletin 19:281-284,
April, 1935; E.R. Hayhurst, "Common Occupational Diseases and Their Differential
Diagnosis," Minutes of the 48th Annual Meeting of the Association of Railway Claim
Agents held in May, 1937, pp. 31-41). In 1960, asbestos was listed as one of 7 materials
which had been "suspected as being carcinogens" in an article by Dr. I. Kaplan
of the Baltimore and Ohio Railroad ("Relationship of Noxious Gases to Carcinoma of
the Lung in Railroad Workers," JAMA. 171:2039-2042, Dec.12, 1959, reprinted in The
Bulletin 44:511-520, 1960).
At least one railroad, the Norfolk & Western,
had an asbestosis claim decades ago. The man worked in the engine shop of the railroad,
frequently handling insulation materials made with asbestos. He claimed he was totally
disabled with asbestosis and had suffered pleural effusion as well (Ancel Wheeler V.
Norfolk & Western, U.S. Dist. Court S. Dist. Ohio, W. Div., Civ. No.2740; and Dr.
Allen Barker's letter to Dr. W. R. Whitman, Chief Surgeon for N & W, Aug.18, 1951
describing the X-ray findings as "compatible with asbestosis").
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