A field study was initiated around an atrazine-contaminated private dairy-farm well to investigate sources and extent of contamination from atrazine and its metabolites in the shallow glacia...

The sandy till deposited by the Green Bay Lobe in Wisconsin is included in the Horicon Formation, a lithostratigraphic term that implies that certain properties of the unit can be recognized...

This project extended the investigation "Near Source Transport of Contaminants in Heterogeneous Media" of contaminant plume and groundwater mounding behavior by applying this work to a field...

An ultrasonic nondestructive testing technique has been developed to assess the integrity of well seals. The pulse-echo inspection technique was used to evaluate the quality of the bond betw...