We perform exploratory and remediation work using direct-push technology, which allows us to easily and quickly gather data on contamination localization and the properties of the rock environment while efficiently applying remediation media.
Compared to conventional drilling methods, the direct-push technology is simpler and faster, which not only saves time but also significantly reduces overall costs.
We can collect soil, water, and soil air samples from accurately defined depths of the rock environment and, if needed, arrange for their accredited analysis.
Basic information about lithology, environmental permeability, the nature of contamination, and its spatial distribution within the rock environment is immediately available directly at the site.
We inject remediation media (oxidants, reductants, nutrients, buffers) precisely where the contamination is located, thereby reducing the amount used.
Direct investigation exclusively with us
We are the only Czech company equipped with drilling rigs and additional accessories from the American company Geoprobe, specialized in drilling technologies for remediation surveys and the injection of remediation agents, particularly in the so-called direct investigation methods.
Ondřej Lhotský
Project manager
We use Direct Push in combination with tools known as Direct Sensing Tools, which are designed for mapping and obtaining information about contamination as well as other properties of the rock environment in real time.
These methods allow us to directly monitor the rock environment during drilling operations, independent of analytical laboratories.
We can map:
Volatile organic contaminants – Membrane Interface Probe (MIP)
We apply remediation media in liquid or solid form (e.g., for chemical oxidation and reduction, to support biological processes, or to neutralize acidic groundwater) to the precise depth where contamination is located. This results in reduced material and operational costs and greater remediation efficiency.
Direct Push injection involves driving hollow rods with an injection tip into the rock environment. Once the desired horizon is reached, the selected remediation agent is injected into it.
All investigative technologies from Geoprobe are certified by the U.S. EPA (Environmental Protection Agency) and form the foundation of a new approach to investigating and remediating contaminated sites, known as High Resolution Site Characterization. This method is primarily used in exploratory work in the United States and is also gaining popularity in Western Europe.
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You can also reach us by phone: +420 235 522 252
or via e-mail at info@dekonta.cz
Unlike traditional drilling methods, this technique involves pushing or hammering (using the weight of the drilling rig or a hammer) hollow rods into the rock environment without rotation. The material from the rock environment is displaced to the sides or pushed into sampling tubes and subsequently extracted as a compressed core.
This method is suitable for unconsolidated soils, such as gravel, sand, and clay. The depth reach is limited and strongly dependent on local geology. Generally, it ranges from 5 to 40 meters below ground level.
enables detailed and precise mapping of geological and hydrogeological properties, leading to a better understanding of contaminant distribution. With high-resolution data, even small areas of contamination that traditional methods might overlook can be identified.
HRSC allows for real-time monitoring, accelerating decision-making and increasing the efficiency of remediation measures. This method reduces overall remediation costs by targeting contaminated areas more accurately and minimizing excessive use of remediation agents.
More information is available at https://clu-in.org/characterization/technologies/hrsc/.
Zajišťujeme také dalšà vrtné práce, realizujeme projekty rozvojové spolupráce a také se zaměřujeme na sanace kontaminovaných lokalit.
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