Amount of GHG Emitted by the

Chemical Substance Management

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Improving Chemical Substance Management

In consideration of workers’ safety and health, and looking to lower environmental impact, we are working to improve the management of chemical substances. We will present examples of our initiatives.

Reduction of Use of Chemical Substances

Monitoring Registration of Chemical Substance Product Types
Change in the number of chemical substance product types at production sites in Japan is as visualized in the below graph. The reason that the JAE site has more chemical substances than other production sites is because it is not only involved in production but is also a development plant and uses chemical substances for testing. The JAE Group monitors whether unnecessary chemical substances have been registered so that the number registered does not increase any further. The Group will move aggressively to reduce the volume of chemical substances used, as shown below.
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Reduction of Use of Chemical Substances
In fiscal 2023, we continued as in the previous year to conduct our activities with the goal of reducing ポーカー トランプ おすすめmount of chemical substances used by selecting designated substances for each domestic production base in order to reduce our environmental impact. The main chemical substance reduction activities for fiscal 2023 are listed below, and we will continue to work to reduce chemical substance use.

JAE:
Reduced ポーカー トランプ おすすめmount of deposited gold needed for gold plating
Reduced silver ink
HAE:
Reduced degreasing cleaning agent by reviewing the pre-treatment process of plating-.
Reduced sodium hydroxide usage by reviewing treatment process
Reduced aluminum sulfate used as a coagulant for wastewater treatment
Reduced amine-type cleaning agent by reviewing cleaning agent replacement frequency and refilling
YAE:
Reduced part cleaner purchases and cleaning solution usage
FAE:
Reduced use of registered chemicals
SAE:
Reduced 1-bromopropane usage
MGC:
Reduced purchase and usage of cleaning agents by using low-volatility agents and changing containers

PRTR Information

The graph below shows the change in ポーカー トランプ おすすめmount of chemical substances (see note) subject to the PRTR Law (*use cursor to view definitions) handled at production sites in Japan.
 Regarding PRTR substances, ポーカー トランプ おすすめmount of antimony and its compounds used in molding materials decreased at JAE, HAE, and YAE, and ポーカー トランプ おすすめmount of 1-bromopropane used for cleaning also decreased at JAE, HAE, and SAE due to fluctuations in production. We will continue to limit ポーカー トランプ おすすめmount used by utilizing remanufactured products (recycling) and reusing agents multiple times (reuse) by reviewing the frequency of treatment solution replacement.
Note: Antimony and its compounds, inorganic cyanide compounds, hexavalent chromium compounds, nickel, nickel compounds, hydrogen fluoride and its water-soluble salts, lead, 1-bromopropane, and methylnaphthalene.

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VOC Information

The total volume of chemical emissions of VOCs (use cursor to view definition) and related substances for production sites in Japan is shown in the graph below. Atmospheric emissions of ethanol and methanol used as a cleaning agent decreased due to fluctuations in production. In order to curb ポーカー トランプ おすすめmount of atmospheric emissions, the Group is considering reduction measures such as installing dampers within the equipment so that excess VOCs are not released into ポーカー トランプ おすすめtmosphere when the equipment stops. In addition, we are improving ポーカー トランプ おすすめirtightness of containers and adjusting ポーカー トランプ おすすめmount handled.