Environment
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Environmental Protection

Compliance with Environmental Laws and Regulations

The Sumitomo Riko Group is thorough in its efforts to ensure compliance with environmental laws and regulations. However, in fiscal 2019, three cases of wastewater concentrations exceeding standards were detected at sites in Japan and overseas. All three cases occurred because the capacity of the sites’ wastewater treatment facility to treat high-concentration wastewater was slightly inadequate. The sites will proceed with systematic improvements to their equipment to build up facilities that will not cause similar problems in the future.

In order to ensure the sites' compliance with environmental laws and regulations, at meetings of the Regional Environment Task Force of the Environment Committee in which environmental managers of the sites in Japan participate, the revisions to environmental laws and regulations are explained and any non-compliance detected at the Group's sites is introduced to encourage the sites to take the initiative and conduct checks. Overseas, in China where environmental regulations are drastically strengthened, we distribute information on environmental regulations obtained from an environmental consulting firm to our sites in China weekly so as to thoroughly communicate revisions to the laws and encourage the sites to consider countermeasures. Moreover, during environmental inspections, which we conduct periodically, visiting sites in Japan and overseas in turn, the situation concerning legal compliance is checked to prevent any violation.

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We have prepared the "Environment Guidebook" explaining the principles of and the approach to environmental management and troubleshooting methods, which is used in education and training for general managers and executives who will be assigned overseas and environmental managers of sites. We have also prepared and made available the "Procedures for Environmentally Friendly Work Projects" summarizing items to be borne in mind in terms of environmental considerations when a site places an order for a construction/engineering project and we are endeavoring not to cause inconvenience in the neighborhood, besides ensuring legal compliance.

Approach to Biodiversity

The Sumitomo Riko Group believes that the protection of biodiversity should be addressed as an important environmental issue. For example, in fiscal 2019, supporting the afforestation projects promoted by Nagano Prefecture afforestation promotion project and Mie Prefecture corporate afforestation project, Sumitomo Riko pursued the Sumitomo Riko Forest protection initiatives in Ikeda-cho, Nagano Prefecture, and Matsusaka, Mie Prefecture. Sumitomo Riko organizes a group of volunteers several times a year to engage in forest protection initiatives together with local people. In addition, Group company Tokai Chemical Industries is participating in forest conservation and satoyama (a mountain ecosystem coexisting with human life) restoration activities in Mitake-cho, Gifu Prefecture.
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Examples of Environmental Protection Measures

Purification of soil and groundwater

In the wake of past discoveries of groundwater contamination due to the use of chlorinated solvents at the Komaki, Matsusaka, and Saitama Plants, we have been decontaminating the groundwater systematically and continuously. We notify and report our plans and the outcomes of this decontamination work to the authorities concerned. The current conditions of the decontamination work are described below.

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Komaki Plant

Decontamination by the air stripping method began in June 2001, and water quality has been monitored since then. Contaminant concentration has been decreasing steadily, verifying the effectiveness of this decontamination method. Decontamination using the anaerobic biological method was conducted additionally in fiscal 2015. Currently, we are promoting decontamination using the air stripping method.

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Matsusaka Plant

Decontamination by the air stripping method commenced in December 2005, and the water quality has been monitored since then. Contaminant concentration has been decreasing steadily, verifying the effectiveness of this decontamination method. To enhance the decontamination efficiency, we have been using the anaerobic biological method since August 2009.

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Saitama Plant

Decontamination of groundwater by the air stripping method began in March 2007, and water quality has been monitored since then. Contamination concentration has been decreasing steadily, verifying the effectiveness of this decontamination method. Decontamination using the anaerobic biological method was also conducted three times in 2007, 2017, and 2019 to further promote decontamination.

SUMITOMO RIKO COMPANY LIMITED.

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