Hazardous waste landfill volume compared to total hazardous waste volume (per cent) Goal 2021 Goal 2022 Performance 2021 Performance Indicator Wastewater Management IRPC has conducted measurements and surveillance of wastewater based on effluent quality parameters applicable within the company’s own industrial zone to ensure it meets the standards of the Online COD at the Receiving Ponds 1 and 2. Measurement results are then delivered to the Department of Industrial Works’ monitoring system. IRPC has registered two wastewater treatment plants in IRPC industrial zone in Rayong Province to ensure efficiency in the management of wastewater from the company’s operations. The operation of IRPC’s wastewater treatment plants are controlled by a pipeline network that covers all factories in the industrial zone. Wastewater quality is checked against internal standards prior to being discharged into the treatment facility to ensure the efficiency of treatment at the source and to minimize measurement reading errors at the central wastewater treatment system. To ensure water treatment management efficiency and assure stakeholders of the company’s operational sustainability, IRPC has engaged third-party consultant and government agencies to regularly collect wastewater samples for analysis to ascertain its wastewater quality meets both its internal standards and the standards prescribed by Notifications of the Ministry of Industry. Waste Management On waste management, the company adopted the 7Rs and Circular Economy concepts to guide its effort to achieve maximum resource management efficiency. The company has conducted R&D in collaboration with waste disposal operators to explore the possibility of recycling or recovery to reduce pollution and to add value to the recovered resources. The company also organized activities to promote the 7Rs principles in various operational processes, including maintenance, the Green Turnaround Project, featuring Reuse Insulation project that advocates the reuse of used but functional insulation, which throughout 2021 reduced disposal and material replacement costs by over Baht 400,000, and 10 tons of used insulation materials that would otherwise have ended up in the incinerator. In addition to the management of waste at its final stage, IRPC also implemented a project to improve the efficiency of machines to reduce maintenance costs and to keep machines and facilities clean as part of the effort to cut back on industrial waste at its source. 0 0 0 Community Complaint Management IRPC has set up Emergency Control Center (ECC) responsible for receiving complaints from the community 24 hours a day. The system administrator will refer a complaint to the relevant units, make a field trip to investigate the cause of complaint and report the results to the top management who will provide guidance, analyze the cause, monitor and support for remedial action and complaint resolution. The complainant will be informed of the cause of their grievance, the company’s response to the complaint and remedial action. In 2021, the number of complaints decreased by 35% compared to 2020. This was attributed to improvement in data analysis of complaints enabling the company to identify the root cause 153 Business-driven sustainability IRPC PUBLIC COMPANY LIMITED
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