Geoprobe 6620 (R1) returns to service in 2020 after a full refit and upgrade by the Numac maintenance and engineering team. View a short video of the results.

Using tracers to Investigate aquifer recharge. A wide a range of tools wre employed to gather data including monitoring wells, the Hydraulic Profiling Tool (HPT), Geoprobe push tube soil sampling and the SP16 groundwater sampler in this investigation.