Last month I explained how ATUs operate and different categories of the units. Now we’ll talk about general information covering all ATUs.Specific units require additional training provided by the manufacturer, but a service provider is going to encounter systems of various types and ages and needs to be able to evaluate the units to determine the next steps. Several years ago, the Consortium of Institutes for Decentralized Wastewater Treatment put together good materials on operation and maintenance. The materials included an extensive manual and a series of checklists used to evaluate different systems.The first step is to assess the general
