Q1-2 What is pollution (typical 7 pollution)?

"Pollution" refers to the Basic Environmental Law (outside site), "(1) air pollution, (2) water pollution, (3) soil pollution, (4) soil pollution, (4) noise, (5) vibration, (6) ground subsidence, and (7) odors cause damage to human health or living environment. "

Generally speaking, "pollution" may be viewed with a wider image, including sunshine obstruction and ventilation obstruction, but "pollution" by law refers to seven types of air pollution to odor. You. These are referred to as the so-called "typical seven pollution."

In Yokohama City, we accept consultations when we are in trouble with these pollutions.

Air pollution caused by pollutants that adversely affect human health, living environment, flora and fauna.
Contamination caused by nitrogen oxides (NOx), sulfur oxides (SOx), asbestos dust, etc.

<Past Cases>
Damage to Yokkaichi asthma in Yokkaichi City, Mie Prefecture, and asthma in a complex in the Negishi district of Yokohama

Organic matter and harmful substances are discharged into rivers, lakes, lakes, oceans, etc., and water quality is polluted.
Water quality may be polluted by domestic wastewater, factory wastewater, and illegal dumping of waste.

<Past Cases>
Mercury was drained from a factory to Minamata Bay in Minamata City, Kumamoto Prefecture, and residents who ate the fish caught there were damages caused by Minamata disease.

Contamination caused by harmful substances infiltrating water, the atmosphere, or directly into soil.
Once polluted, contamination will not be easily resolved, so in addition to preventing contamination, measures such as removal and replacement of contaminated soil are necessary if contaminated.

It's an unpleasant sound, an unfavorable sound.
Noise is based on a person's subjective judgment, so even a sound that is preferable to a certain person, can be recognized as noise by others.
Sources include factories and business sites, construction work sites, automobiles, aircraft, railways, etc.

The ground is shaking. Vibration can cause unpleasant feelings and cause damage to houses.
Sources include factories and business sites, construction work sites, road traffic, and railways.

The ground subsides and causes damage to houses, etc., or the land is lower than the sea level.
Anthropogenic causes include pumping groundwater and collecting resources such as minerals and natural gas.

"Smell" that makes you feel uncomfortable from factories and business establishments.
Odor is based on the subjective judgment of the person, so even if it is a "smell" that is preferable to some person, it can be recognized as a bad smell for others.