26,563 sections across 2,322 Louisiana regulatory chapters.
Chapter 1. General-173 Microscreening
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A. Microscreening is a mechanical treatment process capable of removing suspended matter and organic loading from surface water by straining. It shall not be used in place of filtration or coagulation. 1. Design. Design criteria is as followed. a. consideration shall be given to …
Chapter 1. General-175 Clarification Design
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A. Clarification is generally considered to consist of any process or combination of processes which reduce the concentration of suspended matter in drinking water prior to filtration. B. Plants designed to treat surface water, groundwater under the direct influence of a surface …
Chapter 1. General-177 Filtration Design
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A. Rapid Rate Gravity Filters. General design criteria for rapid rate gravity filters is as follows. 1. Pretreatment. The use of rapid rate gravity filters shall require pretreatment. 2. Rate of Filtration. The rate of filtration shall be determined through consideration of such …