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B101-12 Precoat Filter Media

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Revision Date:
Updated On: October 22, 2013
Editorial Change:
This standard covers diatomaceous earth (DE), perlite, and other disposable filter materials used to precoat filters for water supply service application. The purpose of this standard is to provide a guide for evaluating precoat filtration media. The criteria should be used to determine if such media is similar to the product currently being used to produce potable water in a specific water treatment plant or pilot project. Extensive use of DE and perlite by the water industry supports the need for this standard.

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