Direct Push Technology (DPT) Soil and Groundwater Sampling - Crane, IN


EFS was contracted to perform direct push technology (DPT) soil and groundwater sampling services at the Naval Surface Warfare Center (NSWC) in Crane, Indiana. The project was performed under Comprehensive Long-Term Environmental Action Navy (Clean) contract. The NSWC in Crane, Indiana is currently undergoing environmental investigation and restoration activities.

The scope of services provided by EFS included:

  • Preparing a site specific Health and Safety Plan.
  • Collecting soil samples at 115 locations to a depth of 10-20 feet below grade at two Areas of Concern (AOCs) utilizing a DT-6610 track-mounted direct push sampling rig in UXO-cleared areas.
  • Abandoning each boring locations with bentonite chips to surface grade.
  • Collecting groundwater samples to 19 boring locations utilizing a stainless steel sampling screen attached to the DT-6610 DPT probe drive roads or a temporary one-inch PVC piezometer installed at the boring location.
  • On-site management of all drill cutting and decontamination rinse water.

EFS provided Occupational Safety and Health Administration (OSHA) 40-Hour HAZWOPER-trained personnel and an EFS owned DPT drill rig and sampling tools to accomplish the scope the work. All work activities were performed in accordance with OSHA, U.S. Navy and the Indiana Department of Environmental Management (IDEM) regulations. The project was performed on schedule and under budget within a four week period.