Biomedical Engineering Reference
In-Depth Information
(Source: UK's Environment Agency).
Figure 2. The United Kingdom's governmental agency in charge of the environment.
(Source: U.S. Department of Transportation).
Figure 3. The United States' governmental agency in charge of transportation.
Most countries control for human exposure to a particular stressor by
establishing occupational exposure limits (OELs). These are normally
mandated by a labor bureaucracy or division and involve some allowable
exposure over a calculated time weighted average (TWA). The levels of a
particular stressor are monitored over a predetermined time period by an
instrument and/or acceptable media. Many times, samples are taken and sent
off to an accredited lab for evaluation. The idea is for the exposure to be well
below this maximum allowable TWA mandated by law (American Conference
of Governmental Industrial Hygienists, 2005; Canadian Centre for
Occupational Health and Safety, 2010; European Agency for Safety and
Health at Work, 2006; Japan's Ministry of Health, Labor, and Welfare, 2010).
The majority of modern nations have regulations that pertain to the
shipment of solid/hazardous substance and wastes to and from the biomedical
