The long term effects and performance analysis of tire derived aggregate septic system leachfields: On site evaluation of a full-scale septic system, Lewiston, New York
Tudini, Jeffrey James
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The management of waste tires has become increasingly important in recent years due to the urgency to reduce unsightly tire stockpiles and their environmental hazards. Recently there has been an aggressive shift in the waste tire market to reduce the burden created by old tires. One such recycle alternative is the use of Tire Derived Aggregate (TDA) in septic system leachfields. The goal of this project is to evaluate those questions put forward by professional practitioners, in the literature, and governmental and state agencies. These concerns include: (1) long-term hydraulic permeability, (2) metal leaching from exposed wire corrosion, and (3) long-term TDA integrity. Each of these three issues have been examined in a new project recently conducted at the multi-aggregate aboveground leachfield installed at Modern Corporation's - Tire Recycling facility in Lewiston, New York. Collected data were scrutinized with model fitting techniques and statistical hypothesis testing.