WASCO BERHAD 84 SUSTAINABILITY REPORT Oily Rags • Oily rags are stored in a designated oily rag receptacle. • Clients’ maintenance operations must implement a process for the proper disposal of oily rags. Hydrotest Water • Hydrotest water is collected for proper disposal. • The greywater system can handle untreated test water volumes of up to 100 litres. Operations ensure that the greywater system can manage the volume at the time of disposal. If the site cannot accommodate the additional volume, third parties may be engaged for disposal. Waste Condensate • An authorised contractor collects condensate waste using suitable containers for safe transport and disposal. • The client is responsible for providing a designated, bundled storage area for waste containers pending collection. Waste Amine • An authorised contractor collects amine waste using suitable containers for safe transport and disposal. • The client is responsible for providing a designated, bunded storage area for waste containers pending collection. Soil/Spoil • A civil contractor removes soil and spoils from the site, transporting them for disposal at an authorised facility. Waste Concrete • A civil contractor removes waste concrete from the site, transporting them for disposal at an authorised facility. Contaminate Soil • Contaminated soil, when identified, is removed and stockpiled for disposal at a suitably licensed facility. Noise Boundary Monitoring Noise generated during the construction, operation, and decommissioning phases of large infrastructure projects can potentially affect nearby noise-sensitive receptors. In adherence to the Environmental Quality Act 1974, the Group conducts boundary noise monitoring at multiple points along the perimeter of its operations, in line with the approval conditions outlined in EIAs. In 2024, the average noise level remained within the permissible limit of 65 decibels (dBA), as stipulated by the Department of Environment. Conserving Water Resources We actively manage our freshwater usage and the potential impacts of our operations on surrounding water resources. To reduce consumption and improve efficiency, we prioritise the use of alternatives such as recycled water. A range of internal processes help us assess and manage water-related risks, focusing on conservation, reuse, and recycling. Each site follows our HSE Management Plan, which includes a Water Management Procedure. This procedure sets out appropriate control and monitoring measures in line with local regulations and applicable legal requirements. Some examples of site level water reduction measures include water recycling, rainwater harvesting and reusing process water used in plant operation where possible. There were no violations of water quality standards during this reporting period.
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