EMS utilizes direct push technology to provide efficient and cost effective data gathering at environmental sites. EMS owns two Geoprobe^® rigs and both are capable of installing soil borings, temporary wells, discrete groundwater and soil sampling.

540U Geoprobe^®

EMS operates a Model 540U Geoprobe^® unit that is mounted on a four-wheel drive, one-ton, dual-wheeled pickup truck. The machine operates on a 3-cylinder diesel engine and is self supporting, carrying all tooling in a storage camper top over the truck bed. Since it began service with EMS, the model 540U has driven 1.25-inch rods to depths of up to 64 feet. The 540U is capable of driving rods up to a maximum diameter of 2.125-inch in excess of 30 feet under typical conditions and is also used to perform electrical conductivity logging using the Geoprobe^® Direct Image Software.

A laptop computer operating the Direct Image software and connected to the microprocessor displays the changes in soil conductivity with depth in the form of an onscreen graph as the probe is advanced. At the conclusion of logging, the data is stored as a .DAT file in the computer and can be imported to existing spreadsheet software for processing and presentation.

D6600 Geoprobe^®

EMS also operates a model D6600 Geoprobe^® unit. It is mounted on a Caterpillar POSI-TRACK HD 4520, which is a wide rubber track, low impact and ground pressure machine capable of accessing remote areas. This machine is also compact enough to work in areas of limited clearance. The D6600 is capable of driving rods of a maximum diameter of 3.125 inches in excess of 30 feet under typical conditions. Additionally, the unit features a separate auger head that can be used to turn 4.25-inch I.D. hollow stem augers for the installation of monitoring well casings up to 4 inches in diameter.

Both units are capable of drilling through concrete slabs up to 4 inches thick of 2,500-psi concrete and 2-inch thick asphalt.