When making a bore hole, often to install a monitoring well, impervious strata are often drilled through. If the sealingoperation of such a stratum is not repaired, contamination can easily spread into a water-bearing stratum that was clean prior to the hole being drilled. Here, bentonite can be used as a cheap and relatively simple seal. Due to ...
The Direct-well is a miniature monitoring system. Bentonite collars are slipped over the tubing, which causes the room between the tubing and the impermeable layer to be sealed. Due to its materials, the Direct-well system is suited for researching groundwater on all micro and macro parameters.
Micro-DiverCompact water level logger for Groundwater Monitoring. Easy to use water level logger. Perfect for pump and slug tests. Easy to install in small diameter wells. Available in various measuring ranges.
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The Micropurge range combine to perform accurate low flow groundwater monitoring and sampling. Also suitable for contaminated land, landfill and disturbance sampling. Use in conjunction with the Sample Pro or the Well Wizard pumps.
The assemblation of the filter parts and applying filter sand in a traditional monitoring well system is time spending, while storage and transportation of filter sand causes dirt and spoiling. The traditional use of bentonite in a auger hole around a well pipe often results in an insufficient sealing, as bentonite swells slowly, allowing sand to ...