Good night Lily friend .. how is
it? Hopefully always healthy yes ... this time I will post about the pollution
of the land. Please read it hopefully useful ... amin
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Soil contamination is a state in which man-made chemicals
enter and change the natural soil environment. This pollution usually occurs
due to: leakage of wastewater or industrial chemicals or commercial facilities;
Use of pesticides; The entry of contaminated surface water into the sub-surface
layer; Accidents of vehicles transporting oil, chemicals or waste; Waste water
from waste dumps and industrial waste discharged to the land illegally dumping.
According to RI Government Regulation no. 150 of 2000 on
Control of soil damage for bio-mass production: "Land is one of the
components of the land in the form of the top layer of the earth's crust
composed of mineral and organic materials and has physical, chemical,
biological and has the ability to support human life and living creatures More.
" But what
happens, due to human activities, there is a lot of soil damage. In the PP. 150
th. 2000 stated that "The soil damage to biomass production is the change
in the nature of the soil that exceeds the standard of soil damage".
When a hazardous substance has polluted the soil surface,
it can evaporate, be swept away by rainwater and or enter the soil. Pollution
into the soil then settled as a toxic chemical on the ground. Toxic substances
in the soil can have a direct impact on humans when touched or can contaminate
groundwater and air above it.
Environmental pollution is the entry or inclusion of
living things, energy substances, and / or other components into the
environment or changing environmental order by human activities or by natural
processes so that the quality of the environment down to a certain level that
causes the environment becomes less or can not work anymore.
Substances or substances that can cause pollution are
called pollutants. The conditions of a substance are called pollutants when
their existence can cause harm to living things. For example, carbon dioxide
with levels of 0.033% in air is useful for plants, but if higher than 0.033%
can have a destructive effect.
A substance may be called a pollutant if:
1. The amount exceeds the normal amount.
2. Being at the wrong time.
3. Being in the wrong place.
The nature of pollutants are:
1. Destructive for a while, but when it reacts with
environmental substances do not damage anymore.
2. Destructive for a long time.
For example, Pb is not damaging when the concentration is
low. However, in the long term, Pb can accumulate in the body to a destructive
level.
The source of pollutants of the
soil, because the pollution of the soil is not much different or can be said to
have a close relationship with air pollution and water pollution, the source of
air pollutants and pollutant sources of water in general is also a source of
pollution of the soil.
For
example, carbon oxide gases, nitrogen oxides, sulfur oxides that become
airborne contaminants dissolved in rainwater and down to the ground can cause
acid rain to cause pollution to the soil.
Groundwater containing pollutants
such as contaminated with radioactive substances, heavy metals in industrial
waste, household waste, hospital waste, remnants of fertilizers and pesticides
from agricultural areas, detergent waste, may eventually contaminate the soil
of water areas Surface
or soil surface of the contaminated surface water. So
the source of pollutant soils can be grouped also become a source of pollution
coming from, household waste, market waste, hospital waste, erupting volcanoes
/ motor vehicles and industrial waste.
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