The private collection service initially began because of a lack of municipal infrastructure to offer waste collection, management and transportation services to companies and businesses.

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PASA decided to build and operate landfills in order to provide a final disposal system that is technically and economically viable, vertically integrate this service with its private and residential collection services.

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PASA's residential collection services began largely because of the need for municipal authorities to offer efficient, low-cost public cleaning services despite their lack of resources.

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