![]() It should then be possible to evaluate from practical and cost considerations which of the '3 R's' or disposal is most suitable for the fishery harbour complex with a given set of local conditions. The audit should help identify the source, quantity and concentration of all waste streams. This is a management tool that enables him to evaluate policy and remedial actions. In a fishery harbour complex, the harbour master should perform a 'waste audit'. It reduces the amount of waste for disposal saves natural resources and provides jobs for scrap collectors and dealers. Recycling refers to reclaiming materials from the waste product such as scrap metal recycling or transforming waste plastic or paper into new products. Reuse refers to using the waste material 'as is' - such as using waste oil for fuel. In fact, source reduction is really not about managing waste, but about managing the raw materials more carefully in the first place. It is accomplished by using less polluting materials in place of highly polluting ones implementing processes that generate less waste and good operating practices. Reduction refers to minimizing the amount of waste generated from a given operation or process. Waste minimization is achieved through the practice of the '3 R's' - reduction, reuse and recycling. While some form of such treatment may be required, it is often far more practical and cost-effective to minimize the amount of waste generated in the first place. In the past the approach to waste management was to look at wastes as an 'end-of-the-pipe problem' and adopt appropriate treatment technologies.
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