Every day at work, employees working with diesel engines
are exposed to diesel exhaust. Further, exposure to diesel
exhaust is chronic. Failure to protect from diesel exhaust
combined with chronic exposure will very likely result in a
chemical disease. Although the harmful effects upon
railroad workers of exposure to diesel exhaust has been the
subject of several studies and has been known for many
years, most of the railroads have done little or nothing
about taking preventive measures, or informing their
employees of the hazards. There are two chemical diseases
one can contract from diesel exhaust exposure: obstructive
lung disease and cancer. In addition to entering the body
through the respiratory system, harmful diesel exhaust
components can enter the body through the eyes, possibly
causing permanent damage to the optic nerve, and possibly
even to the brain and central nervous system.
Diesel Exhaust and Obstructive Lung Disease
A recent study determined that between 40% and 50% of train
service workers suffer from the effects of obstructive lung
disease as a result of their chronic, unprotected exposure
to diesel exhaust. Railroaders who work in the shop crafts,
as well as the maintenance of way and signal departments,
have also suffered the effects of chemical disease when
exposed to diesel exhaust in the workplace.
The effect of obstructive lung disease is shortness of
breath. Diesel exhaust exposure causes obstructive lung
disease by the deposit of diesel soot into the lungs.
Diesel exhaust's ultra-fine particles lodge in the lungs
where the particles cannot be easily removed by the lung
itself (mucociliary escalator). Eventually, these fine
particles clog the lumen in the lungs and gradually the
lungs lose their elasticity and become less and less able
to expand and contract with each breath. Each day of
exposure to diesel exhaust results in accumulation of the
particles that restrict breathing.
Another common outcome of obstructive lung disease is
diesel asthma. Diesel asthma is commonly mistaken for an
allergy. Sufferers of diesel asthma notice that once
exposed to diesel exhaust there is a sudden shortness of
breath or quick on-set hypersensitivity to diesel exhaust,
both of which occur without warning. This reaction to
diesel exhaust becomes increasingly severe and persists
long after exposure has ceased. Over years, obstructive
lung disease may cause the loss of fifty percent or more of
the lung's capacity.
Compared to chronic, unprotected, diesel exhaust exposure,
cigarette smoke is innocuous. Further, modern diagnostics
are capable of distinguishing between the lung damage cause
by diesel exhaust as opposed to cigarette smoke.
Diesel Exhaust Exposure and Cancer
There is medical evidence that exposure to diesel exhaust
causes cancer in humans. Medical studies of workers
chronically exposed to diesel exhaust show that diesel
exhaust causes cancer of the lung, urinary tract, bladder,
stomach, prostate, mouth, larynx, esophagus, and colon.
Further, the type of cancer caused by diesel exhaust
typically metastasizes--the cancer spreads to other
locations in the body.
Diesel Encephalopathy
Lastly, medical professionals have recently made a
connection between diesel exhaust and diesel
encephalopathy. A recent study of workers tied diesel
exhaust exposure to memory deficits, sensory losses,
equilibrium imbalances and mood swings. Diesel
encephalopathy is a relatively new discovery, but some
claim it can be detected.
If you have been exposed to diesel exhaust and have
suffered injury, you may have a legal case.
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