Besshi Copper Mine Smoke Pollution Incident: One of Japan's prewar environmental pollution incidents, in which smoke from the copper mine caused damage to crops in the surrounding area.

Besshi Copper Mine Smoke Pollution Incident: One of Japan's prewar environmental pollution incidents, in which smoke from the copper mine caused damage to crops in the surrounding area.
Yokkaichi asthma: A pollution disease that occurred in Yokkaichi City, Mie Prefecture, in the 1960s, caused by sulfur oxides from an oil complex, which led to respiratory diseases.
Basic Act on Pollution Control Measures: Enacted in 1967, this law is the basis of Japan's anti-pollution measures and provides a framework for dealing with various pollution problems.
Air Pollution Control Law: Enacted in 1968, this law aims to protect the public health by regulating flue gas, dust, and toxic air pollutants resulting from business activities and building demolition.
Law Concerning Compensation for Health Damage Caused by Pollution: Enacted in 1973, this law aims to compensate for health damage caused by pollution and provide relief to victims.
Tetrachloroethylene: A toxic substance regulated by the Air Pollution Control Law in 1996, mainly used as a solvent in dry cleaning.
Dioxins: A toxic substance regulated by the Air Pollution Control Law in 1997; extremely toxic and a serious cause of environmental pollution.
Soot and smoke generating facilities: Fixed facilities that generate sulfur oxides, soot and dust, and toxic substances, which are subject to regulation.
Specified dust: Powders containing highly carcinogenic asbestos and other substances, the emission of which is regulated from specific generating facilities.
Designated substance emission facilities: Facilities that emit hazardous air pollutants such as benzene, trichloroethylene, tetrachloroethylene, and dioxin.
SOx (sulfur oxides): Air pollutants generated during combustion processes, which cause acid rain.
Soot and dust: Microscopic solid particles generated during combustion and electricity use, which cause air pollution.
Cadmium and its compounds: Toxic heavy metals that cause health hazards when emitted into the atmosphere.
Ammonia: a substance that is regulated when emitted in large quantities from certain facilities and can cause health problems.
Automobile emissions: Air pollutants such as carbon monoxide, hydrocarbons, nitrogen oxides, and particulate matter emitted from automobiles and motorcycles.
Emission standards: permissible emission limits set for SOx, soot and dust, and hazardous substances, with different standards for different regions.
Total emission control: A regulatory method that limits the total amount of emissions in a particular area or facility.
Pollution control organization: An organization established in a specific factory in accordance with the Law Concerning the Establishment of Pollution Control Organizations, which conducts pollution control activities.
Work involving specified dust emissions, etc.: Demolition, remodeling, or repair work of buildings containing specified dust such as asbestos, which is subject to regulation.
CMS certification: Certification of the Ricoh Group's chemical substance management system, which guarantees the safe management of chemical substances.