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

"Pollution" is the Basic Environmental Law (external site), which states that "a considerable range of (1) air pollution, (2) water pollution, (3) soil pollution, (4) noise, (5) vibration, (6) ground subsidence and (7) odor cause damage to human health or the living environment. " .

In general, "pollution" may be captured with a wider image, including sunshine obstruction and ventilation inhibition, but in the case of "pollution" by law, it refers to seven types of things from the above air pollution to bad smell . These are referred to as “typical seven pollution.”

Yokohama City accepts consultations when you are in trouble with these pollutions.

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

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

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

<Past Examples>
Mercury was drained from a factory in Minamata City, Kumamoto Prefecture, where mercury was drained into Minamata Bay from a factory in Minamata City, Kumamoto Prefecture, where residents who ate seafood caught there.

Pollution caused by harmful substances, etc. penetrate into the soil through water, air, or directly into the soil.
Once soiled, pollution does not easily eliminate it, so in addition to preventing pollution, it is necessary to take measures such as removing and replacing contaminated soil.

It is an unpleasant sound or undesirable sound.
Noise is based on a person's subjective judgment, so even if the sound is preferable for one person, it can be perceived as noise for others.
Sources include factories and business sites, construction work sites, automobiles, aircraft, and railways.

The ground is swaying. Vibration can give unpleasant thoughts and damage to houses.
Sources include factories and business sites, construction work sites, road traffic, and railways.

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

It is an "smell" that causes unpleasant thoughts generated from factories and business sites.
Odor is based on a subjective judgment of a person, so even a "smell" that is preferable for one person can be recognized as an odor for others.