Pollution is composed of many
different substances. By now
the call “pollutant” or
“polluting substances”
Warning: all the pollutants are
harmuful to your health
The pollutants might be
classified in 4 main groups:
1- Dust (or particulate matter)
and Smog
2- Biological agents (pollens,
bacteria, mildew etc.)
3- Organic or inorganic solid
chemicals
4Gases and volatile
substances
Particulate Matter (abbreviation
PM) or “dust” is composed by
different substances, aggregatd
between them. These aggregates
are divided in classes on the basis of
their dimensions (in microns= 1 m=
0,001 mm)
1-“Big” powder are in the range of
50-100 m to 1 mm (visible by eyes).
2- “Coarse Particles” (PM10) are
those between 10 m and 2.5 m
3- “Fine Particles” (PM2,5) are those
between 2.5 and 0.3 m
PM10 and PM2,5 are very small,
unvisible: one hair (left, 150x), is
about 100 m; you can see
comparison with PM. PM10=
above, red; PM4= in the middle;
PM2.5, below, the very little black
point with an arrow.
.
On the right and example of coal
particles floating in the air,
dimensions like PM10 and PM2.5.
Remember: More the particles
are small, more penetrate in the
lung and blood, and the more
they damage throughout your
body. Tell your friends
Dangerous Surprise !
In the mids of the house dust there are
things that you wouldn't believe image
In fact the indoor and outdoor dusts are
formed not only by different particulate
matter (PM10 and PM2.5): Dust contains
microbs, like bacteria and virus, moulds,
humas dried cells (scurf), mites, pollens,
causing allergy, infective diseases like flu,
tubercolosis, ashtma, couch and other
diseases.
Left: Dust Acarus at microscope. Right Skin
lesions caused by Acarus in the house
You must defend yourself and your family
both from pollution diseases and infectious
diseases. Inform Your Friends.
Y
Particulate Matter and Smog: what
are the differences? When in the
Athmosfere, particulate matters (PM
10, 2.5) were mixed with humidity to
form an aerosol (like that in fog or
clouds) you have so-called SMOG, rich
in different PM, in other toxic
chemicals, residues of combustion, of
exhausted gases etc
The smog is visible.
The question is: only SMOG is
dangerous for my health ? The
answer is: NO ! Pollution in always
toxic, even if NOT visible. Warns your
family !
Among the polluting substances there are
also: a) organic or inorganic solid
chemicals, and, b) gases and volatile
substances
They are always more and more
susbatnces toxic that might contaminate
soil, air, water and food. The most
important and dangerous are :
Carbon dioxide, carbon monoxide, sulfur
dioxide and nitrogen dioxide, formaldehyde
and other organic volatile compounds
(VOC).. Are substances that deplete the
fertility, damages the mamma, the elderly,
pregnancy, the fetus and children, make
tumors and vascular diseases….. Some are
directly lethal, such as carbon monoxide.
Many of these substances are also formed in
the house (as the VOC, CO2 and CO) or close
to high traffic or industrial areas. Among the
polluting substances that produce chemical
carcinogens and PM2,5, there is also the
cigarette smoke !
Of these topics we will inform you later
Thus, do not forget that there
is not only the powder that
you see at home, or smog on the
street.
Among
the
polluting
substances are hiding many invisible
enemies.
Many of these exceed the masks and
enter in the lung and in the blood. To
defend you need to choose only highquality devices, right for your
situation !
On the right: a poorquality mask. In the
inner layer, toward
the mouth, the
mask leaves move
particles of a few
microns, that are
going to be breathe !
CHOOSE HIGH QUALITY PRODUCTS
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Photo’s: Henri Cartier
Bressons
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