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Establishing Safety Standards for Three Substances Such As Toluene, Etc.,
for "Sick Building" Measures
Establishing Safety Standards for Three Substances
Such As Toluene, Etc., for "Sick Building"
|On April 27, the "Sick Building"
Study Group of the Ministry of Health
Welfare completed its compilation of
guidelines concerning safety standards
three chemical substances such as toluene,
etc. (that are used in such products
materials paint, glue and insecticide),
which are regarded as leading to air
in buildings and negatively affecting
health of the occupants. The ministry
formally announce its guidelines in
part of June after concluding public
on the draft proposals, and will issue
to the construction industry, etc.
|According to the draft guidelines, the standard
values for the indoor density of such substances
are set at 0.07 ppm for toluene, 0.2 ppm
for xylene, and 0.04 ppm for paradichlorobenzene.
Based on results of research that studied
the impact on workers at plants assembling
electronics equipment in which glue is used,
as well as the results of animal tests, these
figures were calculated in accordance with
the densities that would have no effect on
human beings. The recommended standards were
established by converting the data to the
volume that would be inhaled by those persons
occupying a building for the entire day.