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Air Pollution
The
quality of the indoor environment depends largely on
"what's in the air." The presence of airborne
pollutants can cause health problems for the
home and office occupants. It is important to
realize that the most effective, and usually least
costly, methods to limit indoor pollutants are.
US Environment Protection Agency (EPA) report
indicate that indoor air is 2 to 5 times more
polluted than outdoor.
Source control
Find out where the pollutants come from, what they
consist of, and reduce or eliminate these sources.
This task can involve actions such as controlling
moisture, reducing mold growth, choosing "low
emission" furnishings and coatings, and/or reducing
dust, moisture or smoke producing activities
indoors.
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U.S. Dept of
Labor (OSHA) Ozone facts and Information
Details
Recommended Ozone
application by International Ozone Association
(IOA)
Details
WORLD NEWS Report
by CNN.com - "Ozone as food disinfectant"
Details
FDA Approved
for Anti-Microbial Treatment
Details
Environment
Protection Agency (EPA) to Cut Toxic Emissions
from Gasoline, Vehicles, and Portable Gas Containers
-
Details
Health, Food Safety
and Environment News from Organic Consumers
Association (OCA)
Details
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Useful Information |
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Understand Air Quality Index (AQI)
>More |
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International Air Quality forecasts >More |
| Air
Quality Guide for Ozone >More |
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Ventilation
Home, offices or any enclosed area need to have a
sufficient amount of outdoor air to dilute and
remove pollutants and moisture that are produced
indoors, and to supply combustion devices (and
occupants) with oxygen. The amount of fresh air that
is brought in is limited by the cost of heating or
cooling the outside air.
If
air quality is still a problem after attending to
source control and ventilation, especially with
respect to dust, smoke, mold and bacteria, an air
cleaner may be of help. In terms of health
effects, dust particle size is of great importance.
Particles smaller than about 10 microns in diameter
are the most problematic from a health standpoint,
so it is most important for an air cleaner to remove
these.
About Air Cleaner Performance
The
buyer may be confronted with a variety of
manufacturers’ claims about the performance and
"efficiency" of various units. Several different
performance standards exist, relating to different
jobs that different filters are supposed to do. Some
of this information may mislead buyers seeking the
control of fine particulates. For example, a good
performance on an efficiency test that measures the
capture of large particles does not mean that small
particles will be controlled.
For
instance, furnace filters are rated according to the
ASHRAE 52.1-76 standard, which can show a high
"efficiency" at capturing dirt, but which has no
relevancy to fine particles. A revised standard,
ASHRAE 52.2, seeks to remedy this.
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Air Pollution ~
Updated articles on air and
Environmental issues. Care
your health and please voice your comments
there. |
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The Five
Common Air
Pollutants: |
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Pollutant
|
Its
Sources
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Health
Effects
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Carbon
Monoxide |
Combustion
processes,
such as in
gas mowers,
cars &
industry.
Any burning
of organic
material. |
Replaces
oxygen in
the
bloodstream;
aggravates
heart
disease;
impairs
alertness. |
|
Lead |
Smelters,
battery
plants &
refineries;
the exhaust
of equipment
that use
leaded
gasoline;
lead-based
paint or
pottery. |
Increased
risk of harm
to central
nervous
system,
especially
in children. |
|
Nitrogen
Oxide |
Combustion
processes,
such as in
gas mowers,
cars & power
plants. |
Impairs
breathing,
increases
lung
infections &
worsens
existing
lung
disease. |
|
Particulate
matter |
Dust,
pollen, soot
& other
small
particles
suspended in
the air. |
Irritates
lungs'
pathways
which can
increase
respiratory
infection &
asthma
attacks &
worsen
disease. |
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Sulfur
Dioxide |
Oil- and
coal-burning
power
plants; some
industrial
processes. |
Increases
respiratory
infections &
asthma
attacks;
worsens
chronic lung
disease |
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Food pollution
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Food
can influence the human body
in many ways, both
positively and negatively.
Several key elements of
contemporary food
cultivation and production
are presented, along with
their potential consequences
to our health. The history
of food cultivation and
consumption is contrasted
between early
hunter-gatherer societies
and modern day societies.
Natural nutrient-rich foods
produced from the soil in
early societies have been
replaced with artificial
supplements and treated with
pesticides and herbicides
to control plant disease.
The
World Labor Organization
state that the usage of
agricultural chemicals and
pesticides has dramatically
increased from 65 million
tons to more than 400
million tons in a short span
of year. |
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US Food & Drug Association
(FDA)
issued several reports in 2005
indicating that, in every 150,000
cancer patients, 25% of them are
affected by cancer causing
agricultural chemicals.
Heavy antibiotics
in farming causing super-diseases
Last year,
reports surfaced of a super-strain of
food-borne salmonella that's resistant
to most forms of drug treatments. Some
strains are resistant to all known
treatments, and other common food-borne
diseases also are getting more difficult
to treat. Organizations like the
Union of Concerned Scientists say
the cause is the heavy use of
antibiotics in farming not to protect
against disease, but as a cheap and easy
way to speed up animal growth.
Fish becoming too toxic to eat
In the
past, perch, bass, catfish, trout and
walleye have been contaminated with
toxic levels of PCBs, lead, cadmium and
pesticides. And virulent bacterium and
natural toxins can thrive in raw
oysters, clams and mussels. If you're
pregnant, you might
want to avoid fish and raw shellfish.
But the
Environmental Working Group offers a
startling suggestion that several other
commonly sold fish should be avoided
entirely if pregnant, and that you
should eat still others on a limited
basis only. This list includes tuna,
halibut, sea bass, cod, pollock, and
mahi mahi. See a
CNN report on possible effects of
too much tuna on developing fetuses.
Consumer
Association of United States
report indicates that if a child consume
too much of contaminated foods, the
nervous system can be
affected and damaged.
Food Poisoning from contaminated
hazardous bacteria and living micro
panthogens
The
U.S. Public Health Service has
identified the following microorganisms
as being the biggest culprits of
foodborne illness, either because of the
severity of the sickness or the number
of cases of illness they cause. Beware
of these pathogens.
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