Terra Mentis Environmental Consulting
Petroleum
Terra Mentis has worked on both active refineries and on the closure and Brownfields process of putting refinery land back to good use. The primary contaminates are petroleum by-product, heavy aid, sludges and volatile compounds, but metal such as lead and semivolatile compounds can also figure prominently.
Refineries
Former BP/AMOCA Refinery, Casper, WY: Worked for the Wyoming Department of Environmental Quality (WDEQ) at four large RCRA sites associated with the Former BP Amoco Refinery. The unit consisted of a 350-acre former Refinery, a 900-acre tank farm, the section of the North Platte River running between these units and a playa Soda Lake used as a sludge disposal area. The project was a unique collaborative process with the WDEQ, BP Amoco, the City of Casper and the public.
- Principal oversight contractor for all aspects of risk assessment and developed Data Quality Objectives (DQO) for human health and ecological risk
- Oversaw sampling, compilation and analysis of data and the Remedial Alternatives
- Evaluated risk-based exposure areas for a site redevelopment plan and contractor-prepared risk assessments
- Developed sampling and analysis plans, investigated oversight and the analysis of groundwater to indoor air pathway data for petroleum product beneath a residential neighborhood
- Oversaw studies during benzene groundwater to indoor air migration designed to determine the potential impacts to indoor air from petroleum products in soil and groundwater
Former Chevron\Texaco Casper Refinery, Casper, WY: Four large RCRA sites associated with the Former BP Amoco Refinery. The unit consisted of a 350-acre former Refinery, a 900-acre tank farm, the section of the North Platte River running between these units and a playa Soda Lake used as a sludge disposal area.
- Principal oversight contractor for all aspects of risk assessment
- Oversaw soil vapor monitoring point to conducts groundwater to indoor air attenuation
- The correlations were used to assess the potential impacts to indoor air
Sinclair refineries, Casper and Sinclair, WY: Employed by the Wyoming Department of Environmental Quality for the active Sinclair Refinery.
- Principal oversight contractor for risk assessment aspects under Wyoming's Voluntary Remediation Program
- Screened old data for DQOs and the selection of high priority areas of the refinery for further investigation and risk assessment
- Reviewed investigation work plans and remedy negotiations
Former Casper Refinery, Casper, WY: Principal oversight contractor for the Wyoming Department of Environmental Quality (WDEQ) for all air quality risk assessment. Oversaw four large RCRA units associated with the former RCRA BP Amoco Refinary. The area consisted of a 350-acre former Refinery, a 900-acre tank farm, the section of the North Platte River running between these units and a playa Soda Lake used as a sludge disposal area. The process was conducted at the direction of a Federal Judge in a collaborative process open to multiple parties.
- Reviewed outdoor air data
- Oversaw the selection of chemical of concern for this former refinery
- Oversaw risk assessment and calculations of the data
- Reviewed site investigation plans for each of the units
- Engaged in extensive public meetings with multiple parties to negotiate sample numbers and locations
- Review data from the site investigation
- Reviewed risk assessment documents for each of the units
- Assisted in the development of clean-up protocols for the site
Exxon Refinery, Billings, MT: Risk Assessment activities extended over a seven-year period for the Montana refinery.
- Reviewed data and prepared the human health and ecological risk assessment in accordance with the scoping document and USEPA risk assessment guidance
- Negotiated with the U.S. EPA Region VII on behalf of the client
- Risk assessment was subject to evaluations of the Exxon Fire Training Areas and various process areas