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Soil & Groundwater Investigation

Soil & Groundwater Investigation, NJ Environmental Service Company

Soil & Groundwater Investigation


The presence of contaminants such as harmful chemicals, petroleum residues and heavy metals in soil and groundwater pose a serious risk to health and the environment. Remediation and development of contaminated sites without evaluating the risks can be costly in the long term. Therefore, soil & groundwater investigation should provide the basis for evaluating risks and planning strategies for remediation and development. Investigating the potential pollution of soil and groundwater includes the following:


Soil contamination assessment


The purpose of soil contamination assessment is to determine the level of contaminants like hydrocarbons (e.g., petroleum), organic vapors, heavy metals (e.g., lead and mercury), and other pollutants in the soil. The grain size of soil and depth of the water table are also measured. Since oil spills are the main source of soil contamination in and near urban areas, the focus is usually on petroleum contamination.


The process involves collecting soil samples from several random spots on the site, including those from varying depths under the ground and testing them in the laboratory. Drilling should be done using a hollow-stem auger, sonic drill or push probes. The recommended depth of boring is 5 feet below the water table. But if contamination extends below the that, then the depth should be 10 feet below the deepest point of contamination.

Groundwater contamination assessment


The purpose of groundwater contamination assessment is to determine the level of pollutants like hydrocarbons (e.g., petroleum residues), organic vapors, heavy metals (e.g., lead and mercury), and other contaminants in the groundwater. Since hydrocarbons can penetrate deep into the soil, the focus is usually on petroleum contamination in and near urban areas.


The process begins with an on-site investigation to determine whether groundwater is contaminated and if so, to what degree. It involves collecting water samples from temporary monitoring wells within the site and testing them for the presence of contaminants. The next step is a remedial investigation, which is done to measure the concentration of pollutants in the groundwater. A deep well may have to be dug to see if petroleum contamination has penetrated the water table.


Why should you hire us for soil and groundwater investigation?


We specialize in soil and groundwater investigation in urban sites as well as agricultural land. But the real reasons you should hire us are:

  • Custom solutions: Every site is different and needs a custom solution. We specialize in creating site-specific solutions
  • Cutting-edge technology: We use the latest cutting-edge technology and equipment, which ensures accuracy and precision
  • Fewer days and lower costs: We strive to complete each project in the shortest time possible so as to minimize the costs to our customers
  • Environmentally-friendly: We are committed to protecting the environment and take pains to make sure that our solutions are environmentally-friendly
  • Regulatory requirements: We have the expertise and experience in addressing regulatory requirements for soil and groundwater investigation.


Call us today for professional soil and groundwater investigation


If you need soil & groundwater investigation to be done on your property, get in touch with us. You can trust us to provide the highest-quality, environmentally friendly and economical service. Give us a call or send us an email. One of our knowledgeable and friendly representatives will be happy to assist you with your soil and groundwater investigative needs.

The counties we serve are Hudson, Mercer, Middlesex, Monmouth, Ocean, Morris, Bergen, Passaic, Union, Essex, Sussex, Warren, Hunterdon, and Somerset.

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