BAT

Scientific instruments for geotechnical measurement and for groundwater and water monitoring, namely, devices for sounding of soil layers in the nature of resistance measuring instruments which measure the penetration resistance of soil, devices for measurement and monitoring ground water and water pressures in the nature of sensors for measuring concentrations of chemicals in water, measuring instruments for measuring water pressure, and sensors for monitoring the amount of available moisture in soil, devices for sampling groundwater and water in the nature of bailers, devices for sampling gas in soil and rock in the nature of probes for insertion into soil and rock and sample collection tubes, devices for in situ measurement of permeability in soil and rock and devices for conducting tracer tests for the study of groundwater flow