| 1. | For IWK customers, there is no charge for desludging services.
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| 2. | A notice will be sent to inform you of the desludging date.
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| 3. | The frequency of desludging depends on the capacity and design of the septic tank.
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| 4. | Aside from water pollution, Sophie also mentions degassing, desludging and waste management.
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| 5. | In such cases, private sector contractors bid on desludging contracts let by the city.
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| 6. | The sludge is sucked out of the septic tank by high-vacuum hoses into desludging tankers.
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| 7. | Tankers thus use the area for illegal cleaning and desludging and to hide from prosecution for such activities elsewhere.
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| 8. | The chamber does not need desludging as it is only used to inspect / clear blockages in the sewer pipe.
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| 9. | Septic tanks are common, but with the exception of Hai Phong, no town offers a reasonable desludging service.
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| 10. | Now, the only option left, unless a vessel has gone down unnoticed, would be desludging by passing ships.
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मोबाइल