ENVIRONMENTAL ENVIRONMENTAL PROTECTION OUR APPROACH TO WASTE AND EFFLUENT We Manage Waste and Effluent We strive to reduce waste generated in our business and regularly promote 3Rs (Reduce, Reuse and Recycle) initiatives. We redesign processes to reduce the generation of waste, toxic waste and effluent. Recyclable waste materials are collected by licensed waste contractors for recycling. In 2024, we expanded our recycling programme to cover more materials and improve categorisation processes. WASTE – METRICS In 2024, our global operations recycled 63% of 38,313 tonnes of waste generated. Our Singapore operations recycled 70% of 29,824 tonnes of waste generated, achieving our target of maintaining a recycling rate of at least 50%. Our global data can be found below: 2024 Hazardous 1,358 Non-hazardous 36,955 Total 38,313 2024 Mixed Metals 47% General Waste 28% Mineral Oil / Oil Sludge 14% Wood 5% Others 6% Total 100% 2024 Mixed Metals 68% Mineral Oil / Oil Sludge 20% Wood 7% Paper 1% Others 4% Total 100% Waste Recycled (%) Waste Generated (% of Total Waste) Waste Generated (tonnes) Any toxic water discharge and waste generated is handled in accordance with local laws. Our businesses define their priority substances of concern and adopt discharge limits based on these regulations. We adhere to all applicable laws and regulations regarding effluent discharge in the areas which we operate in. Expanding our Waste Reduction, Reuse and Recycling Initiatives To identify more opportunities in waste reduction, our Land Systems team developed an in-depth 3R programme based on an eight-step 3R guideline in 2024. 32 ST ENGINEERING | SUSTAINABILITY REPORT 2024
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