NAC445A.086. “Filtration” defined.

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“Filtration” means a physical-chemical process for removing suspended and colloidal impurities from water by passage through a porous medium by the following mechanisms: Absorption, flocculation, sedimentation and straining.

[Environmental Comm’n, Water Pollution Control Reg. § 1.13, eff. 5-2-78; A 1-25-79]—(Substituted in revision for NAC 445.084)

                    
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