Approved Experimental Systems

Name/Purpose

Approval Number

Field assessment of the performance of subsurface wastewater systems utilizing the 12" diameter  EZflow 1201GEO system

Wetlands  Research Project  Evaluation of On-site Wastewater Treatment Designs Integrating Constructed Wetlands

Wetlands  Research Project  Evaluation of On-Site Wastewater Treatment Designs Integrating Constructed Wetlands

Tire Chips Research & Demonstration: Evaluate the potential use of five chips as an aggregate. Substitute in nitrification lines

EWWS-96-2

Also see Innovative
Approvals

High Organic Wastewater Pretreatment System Research: Evaluate "Nibbler, Jr." pretreatment system 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

Gravelless Trench Research and Demonstration: Evaluation of 15" P.E. tubing for use in gravelless nitrification application for sewage disposal

Tire Chip Substitution for Rock Aggregate in Standard Bed/Fill and "Brunswick" Bed/Fill Systems

Aquaworx Remediator™: Evaluate the effectiveness of aeration and microbial and enzymatic catalysts in restoring the hydraulic capacity of malfunctioning drainfields

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.