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2. Collection
2.1 Emptying: best practices
Oil changes must be carried out by an approved professional.
Periodic checks should be carried out to verify the thickness of deposits at the bottom of the pit. If this deposit occupies around two-thirds of the total depth between the liquid level and the invert (bottom), you should schedule an emptying operation as soon as possible.
Important recommendations
It's important to keep an eye on this height, because septic tanks can continue to "work" when they're almost full. In fact, the liquid then makes its way through the deposit, instead of staying in the tank. Pre-treatment is then non-existent.
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Collection
Storage area before treatment
Bibliography
Websites
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ADEME
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FNDAE
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FNSA – Fédération Nationale des Syndicats de l'Assainissement et de la Maintenance Industrielle...
Events
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Assises nationales de l'Assainissement non collectif; annual event organized by the IDEAL connaissance network.
Regulations
Circular of February 23, 1978, modified by that of December 14, 1987, setting up departmental plans for the elimination of septage.
Order of May 6, 1996 laying down the technical requirements applicable to non-collective sanitation systems.
Arrêté du 9 septembre 1997 relatif aux installations...
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