Approved Experimental Systems
- Field assessment of the performance specifically of the W.A.S.T.E. X-Box Component (WXBC) installed within or immediately adjacent to nitrification trenches for both new and/or repair systems
- Field Assessment of the performance of subsurface wastewater systems utilizing the 12 inch diameter EZflow 1201GEO system
- Gravelless trench research and demonstration: Evaluation of 15-inch PE tubing for use in gravelless nitrification application for sewage disposal
- High organic wastewater pretreatment system research: Evaluate "Nibbler, Jr." pretreatment systems for high organic waste reduction
- Sand filter modular design research and demonstration: Approval of application for proposed experimental/innovative sand filter system to be installed at NCSU Lake Wheeler Road Field Laboratory
- Tire chip substitution for rock aggregate in standard bed/fill and “Brunswick” bed/fill systems
- Wetlands research project – Evaluation of on-site wastewater treatment designs integrating constructed wetlands
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