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Environmental Conservation

Approach by Businesses Toward Environmental Conservationt Controlling and Reducing Chemical Substances

The OKI Group strives for alternative use of chemical substances with less impact on the environment and reduction of their usage, in order to contribute to environmental conservation.

Achievements in Fiscal 2017

For chemicals used in production activities, we identify chemicals with large environmental impact, classify them into prohibition/restraint/self-manage, and manage them.

Controlling and Reducing Chemical Substances Used at Production Sites

Changes in Chemical Substances Used

Changes in Substances Subject in terms of Japan and overseas

Amounts of Major PRTR Chemical Substances Used (detailed data - unit: tons)
Chemical Substance Amount Used Amount Emitted Total Amount Transferred
Atmosphere Public
Waters
Soil
on the Premises
Transferred
to Sewage
Transferred
to Outside
the Premises
Nickel compound 14.7 0.00 0.008 0.00 0.008 0.00 3.25
Formaldehyde 72.1 0.564 0.00 0.00 0.564 0.0240 3.24
Ferric chloride 2.47 0.00 0.00 0.00 0.00 0.00 0.00
toluene 4.11 7.43 0.00 0.00 7.43 0.00 0.00
xylene 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Total 93.5 7.99 0.008 0.00 8.00 0.0240 6.49

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