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Sediment toxicity

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Sodium percarbonate rapidly dissolves in water and dissociates into sodium ions, carbonate ions and hydrogen peroxide. Sodium carbonate and hydrogen peroxide are very water soluble and will therefore remain in the water phase.  Hydrogen peroxide adsorbs poorly to sediment particles and is rapidly degraded, thus accumulation in the sediment is not expected. There is no exposure of the sediment compartment and therefore "Long-term toxicity testing to sediment organisms" is not needed.

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