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Geoprobe® - Soil Sampling Options

Macro-Core Soil Sampler This sampling device works best in medium-to fine-grained cohesive, silt, clay and geoprobeunconsolidated sediments. The Macro-Core® Sampler can also be used successfully in sampling medium-to coarse-grained sandy materials with some fine to medium gravels when core catchers are utilized.

Closed Point System
For situations where sampling beneath the groundwater table is required, then the Closed Point System can also be utilized.

The LB Sampler is a solid barrel, piston sealed, direct push device for collecting discrete interval samples of unconsolidated materials at depth. This is a device that utilizes the Closed-Piston Method of sample extraction from the sub-surface. There are two different interval lengths for the LB Sampler. Curren has both the 2' and the 4' LB Sampler available to any project.

While the use of a sealed sampler (i.e. LB Sampler) has proven to yield representative samples, a considerable time investment is required when coring depths exceeding 20 feet. The Dual Tube Soil Sampling System offers an efficient method of collecting continuous soil cores with the added benefit of a cased hole.

Core Piston Rod Soil Sampling System
This 1.5-inch diameter, piston-operated sampler features a positive release system that eliminates the uncertainty of continuous sampling. When the stop-pin is released, the user retracts the extension rod string which carries the released stop-pin and the piston-rod right into the operator's hand.

Other benefits of this system are numerous. With a lightweight piston tip assembly, sample compression is minimized during retrieval. An O-ring on the tip ensures that the sampler remains sealed until the desired sampling depth is reached. Other features include increased durability, user friendly, easy to decon, and easy to maintain.

 

The MC Piston Rod System

While sampling loose, difficult-to-sample soils, use the MC stop-pin coupler. The piston rod and stop-pin are removed in this process which enhances sample recovery. The stop-pin coupler usually is not necessary when sampling in stronger, more consolidated formations, where sample recovery is not a problem.

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