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Geoscience / Remediation Services
Environmental Products & Services of Vermont, Inc. (EPS) has extensive experience performing subsurface investigations and constructing remediation systems designed to meet site specific requirements. The EPS track-mounted direct push rig can be used to access difficult drilling locations and is a cost-effective method for collecting soil, soil gas, and groundwater samples. EPS uses a portable High Vacuum Extraction (HVE) system for performance of Mobile Enhanced Multi-Phase Extraction (MEME) events. State regulatory agencies request 8-, 12-, and 24-hour MEME events as a means of effecting aggressive, short-duration remedial activities, without incorporating the high capital investment associated with stationary equipment installations. In most urban areas, off-gas treatment is required during MEME events to keep hydrocarbon emissions below allowable limits.
The EPS portable HVE system consists of a specially equipped vacuum truck that is utilized to draw total fluids (separate phase product and contaminated groundwater) and vapors from several monitoring / extraction wells. It has a trailer-mounted off-gas treatment system consisting of a thermal oxidizer (ThermOx), generator, and liquid propane as supplemental fuel.
EPS designs, builds, installs and operates portable and stationary remediation systems in house. Remedial techniques we have commonly incorporated into our systems include:
- Traditional Pump & Treat systems combined with dual-phase (LNAPL / DNAPL and water) recovery and treatment
- Total fluids (vapors, product, groundwater) extraction and remediation systems
- Soil vapor extraction, including sub-slab vapor mitigation systems
- Air sparging (sparge curtain) using compressed gas cylinders and compressor / blower systems
- In-situ chemical oxidation systems with or without air sparging techniques
- Vapor and liquid phase activated carbon systems