Other services we’re known for

Specialties

During the many projects we completed over the past 25 years, some required developments of special techniques or approaches or adaptations of techniques to our desire or adaptations to the initial use. It has always been our goal to move into new directions within our environmental work field.

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In-line gas chromatography

Pharmaceutical companies are keen to get the balance sheets clear from ancient legacies. These companies have very high standards regarding proactive data acquisition and quality control. These standards led to the development of in-line gas chromatography for our thermal remediation projects.

The conditions for high quality data are far from ideal with thermal projects; temperatures are high, humidity is at 100%, the gas stream also contains some soil particles. We developed a method where gas samples are taken from the main extraction stream and cooled down from 100 deg Celsius to 5 degrees Celsius to knock-out all the moister. The cleared gas is moved to the column of the GC and a linear TCD. The GC is “trained” with calibration gas that holds the real chemicals, in our case often PCE, TCE, DCE and VC. We don’t need to deal with correlation factors and as the detector is linear, single calibration level is sufficient.

This approach allows high quality samples every three minutes. The gas flow in our thermal projects is continuously measured with digital flow meters. Combining the two parameters gives us very accurate and details information about the mass removal: hence the removal efficiency.

If you like high quality data in your remediation project, we are more than glad to rent you our equipment with technical assistance of course.

Groundwater well inspection

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High temperature soil sampling

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Would you like to know more
about our specialties?

Effectively cleaning soil with

Thermal Soil
Remediation (ERH)

Cleaning up sources zones with chlorinated solvents sunk to 15 meters deep in moraine clay formations to comply to what the regulators ask you or you need a rapid clean-up for real estate developments, that is when ERH excels.

That is when you should contact us because we started it in Europe 20 years ago and are still very flexible and fast.

Fast & reliable ground samples with

Environmental Drilling

With our small rotosonic rig (only 4,5 ton) it is possible to perform discrete soil sampling at a rate that is phenomenal. We are using our Aqualock system to sample at 100 degrees Celsius for our ERH projects, but also to survey sites in Sweden or Denmark in moraine clays. Tilted wells under a pipe bridge? No problem!

One of our key competences

Direct Push

Injection (DPI)

We love the odd project, doesn’t matter if it is indoors or outdoors, if it is only 5 drillings to 4 meters or as big as 400 and 20 meters deep. With one of our 4 drill outfits, 1 rotosonic machine and 3 Geoprobe’s, we can serve any project or place throughout the entire EU. We love to work in our home country but always enjoy when we’re asked to travel  to Scandinavia.