The ESP PLUS pulls a 3 (or 4) foot long by 1.2 inch diameter sample in one plunge. It captures every sample in a plastic liner and can sample to 3 (or 4) feet. Sampling tube is driven by a 12.5 pound drop-hammer (or electric hammer) and retrieved with a foot-operated jack.
Stainless steel liner 12" long. Although made for the JMC 12" Zero Contamination Tube, these liners will also fit the JMC Environmentalist's Sub-Soil Probe and the JMC 18 inch Zero Contamination Tube when used with Spacers.