Efforts to improve the environment in Yokohama

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Construction volume expanded from the early 1930s, the period of high growth, to the mid-1940s, causing construction pollution such as noise and vibration.

Smoke containing harmful substances from factories has caused air pollution problems in various parts of the country.

Since the mid-1930s, the car society has progressed rapidly, causing problems such as air pollution caused by exhaust gas, deterioration of living environment due to noise and vibration.

Due to the flow of large amounts of domestic wastewater and industrial wastewater, river water became dirty and fish disappeared, and it became called Dobu River.

In order to prevent noise and vibration associated with construction work, regulate construction drainage, and prevent land subsidence due to excavation, we respond to complaints such as noise and vibration associated with construction work and provide guidance to construction workers based on laws and regulations. going.

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【B-1】 Consultation on noise and vibration complaints associated with construction work

【B-2】 Guidance to construction contractors

In order to improve the air environment, we measure and investigate the air environment, respond to complaints about odors and smoke, and provide permission and guidance to factories. In accordance with laws and regulations, we regulate and instruct factories and other facilities on compliance with emission standards and switching to gaseous fuels with low emission loads.

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【C-1】 Measurement and Survey of Air Environment

【C-2】 Response to complaints about odors and smoke

【C-3】 Guidance to construction companies

In order to respond to the rapid increase in vehicles, we respond to complaints about noise and vibration, formulate a plan to prevent vehicle pollution, regulate diesel vehicle operation, and promote the spread of eco-friendly vehicles (fuel cell vehicles, low-emission vehicles designated by nine prefectures and cities). We are doing.

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【D-1】 Complaint consultation on road traffic noise and vibration

【D-2】 Diesel Vehicle Operation Regulations

【D-3】 Development of a plan to prevent automobile pollution

【D-4】 Spread of eco-friendly cars

In order to improve the water environment, we measure and investigate the water environment, respond to water quality accidents, and provide permission and guidance to factories. Based on laws and regulations, we regulate and instruct factories and other facilities on compliance with wastewater standards and installation and management of wastewater treatment facilities.

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【E-1】 Measurement and Survey of Water Environment

【E-2】 Response to water quality accidents

【E-3】 Guidance to construction contractors

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Construction machinery with reduced noise and vibration is designated by the country as "low-noise and low-vibration construction machinery". We are promoting the use of this opportunity in construction work conducted in areas where the living environment should be preserved.

The amount of harmful substances contained in smoke from factories and business sites has been greatly reduced as a result of regulations and guidance. On the other hand, photochemical smog is more likely to occur on high temperatures and strong sunlight.

Due to automobile exhaust gas regulations, harmful substances emitted from vehicles are decreasing. FCV is a clean next-generation vehicle that runs on electricity generated from hydrogen as fuel and emits no harmful exhaust gas.

The sewer system has been improved, and domestic wastewater and factory wastewater have not flowed directly into the river, so the river water has become clean and a lot of fish has come to live.