Shield’s petroleum group provides geologic and hydrogeologic investigation, environmental assessment and remedial action services, throughout the private, commercial, and industrial sectors. With projects ranging from small residential properties to large commercial and industrial multi-contaminant assessments, the petroleum group is experienced in all phases of petroleum assessment and corrective action and offers specialization in free product recovery, groundwater remediation, residual contaminated soil clean-up, natural attenuation and risk-based corrective action (RBCA) strategies. Our experienced registered and licensed professional engineers and geologists, scientists, and technicians are accustomed to working day-to-day with clients and multi-state regulatory agencies to maintain compliance with current regulations while implementing cost-effective and sensible approaches.
Petroleum Services Include:
- Leaking Underground Storage Tanks (LUST)
- Comprehensive Site Assessments (CSA)
- Underground Storage Tank (UST) Removal and Closure
- Free Product Recovery
- Mobile Multi-Phase Extraction (MMPE)
- Aggressive Fluid Vapor Recovery (AFVR)
- Corrective Action Plan (CAP) preparation
- Regulatory Negotiation and Litigation Support
One such project involved a site that is located in a mixed residential and rural area in 
storage tanks (USTs) that was not in operation at the time of tank removal. No buildings, dispensers, dispenser islands or parking areas were in existence or visible on site. The gas station building was declared a historic structure and removed prior to the tank discovery.
Soil samples collected during the tank removal indicated a release from the UST’s. Since municipal water was not available in the area and most residences used private water supply wells, the North Carolina Department of Environment and Natural Resources (NCDENR) classified the site as high risk, requiring immediate action.
Shield responded quickly after the NCDENR rejected a previous consultant’s work product. Shield developed a scope of work and received pre-approval from NCDENR to protect the client’s financial interests. Shield moved quickly to remove the USTs and conduct a Limited Site Assessment, avoiding issuance of a Notice of Violation (NOV) to the client, while moving the project forward to the satisfaction of the client and the NCDENR.
