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Preserving Air and Water Quality

To prevent pollution and to maintain sound habitats for living things, MGC Group companies monitor the volume of environmentally hazardous substances in wastewater and waste gas and work to reduce discharge volumes.

Preserving Air Quality (MGC Alone and Domestic MGC Group)

Emission of SOx

Emission of SOx

Emission of NOx

Emission of NOx

Emission of soot and dust

Emission of soot and dust

* Past data has been reviewed and corrected.

Preserving Water Quality (MGC Alone and Domestic MGC Group)

Emission of COD

Emission of COD

Emission of total nitrogen

Emission of total nitrogen

The increase in nitrogen seen during fiscal 2013 and fiscal 2014 was a temporary increase due to processing of wastewater associated with the decommissioning of facilities.

Emission of total phosphorous

Emission of total phosphorous

* The increase in total phosphorous emissions since fiscal 2016 is the result of increases in the use of phosphorous compounds in conjunction with higher production.