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Environmental Multi-Media Sampling Services
Conventional Field Methods: 3TM Consulting, LLC has extensive experience in subsurface site characterization and the remediation of contaminated soil and groundwater. We have used manual samplers, conventional drilling rigs, and direct push technology (such as Cone Penetrometer Testing and Geoprobe) to sample soils and groundwater. The photograph to the right shows direct push technology being used to sample subsurface soils and groundwater to depths of up to 100 feet. This method allows for rapid and efficient sample collection, using procedures that are acceptable to court scrutiny.
Evaluating the impact of airborne particulate and gaseous emissions from a source requires the use of special field equipment and procedures. The photograph to the right shows the monitoring of airborne dust laden with PAHs and Dioxins/Furans which were impacting a residential community. Indoor forensic sampling and testing confirmed high levels of Dioxins in indoor living environments, and chemical fingerprinting linked the receptors to the source.
3TM Consulting, LLC frequently uses Summa canisters to detect volatile contaminants inside buildings, the source of which is either vapor intrusion or external airborne emissions.
3TM Consulting, LLC has used state-of-the-art field methods to detect and delineate subsurface contamination. When used with conventional field techniques, they provide powerful evidence in a courtroom.
The color plot to the right was generated in the field using electromagnetic imaging (EMI) to detect anomalies associated with releases by an abandoned creosote facility in a Florida swamp. The red areas represent highly conductive areas, interpreted as DNAPL, at a depth of about 80 feet bgs. The green and blue areas represent background conductivity levels.
Conventional drilling was subsequently used to sample the soil and groundwater, indicating high levels of creosoterelated PAHs at a depth of 75-80 feet bgs, and confirming the EMI interpretation.