Service: Soil Vapor Extraction
The Reynolds Group is expert at Soil Vapor Extraction.
USEPA Funded Remediation for Non-Profit (6737.III)
Drycleaner PCE Contamination (6875.VI)
| Client: |
STANDARD INSURANCE COMPANY |
| Proj Mgr: |
Al Fuan
|
Completed: |
In Progress |
| Industry: |
Drycleaners
Insurance Companies
Real Estate Managers/owners
|
Service: |
Soil Remediation
Litigation Support
Regulatory Response & Negotiation
Soil Vapor Extraction
Health Risk Assessments
Site Assessment
Operations And Maintenance Of Remediation Systems
|
Standard Insurance Corporation (Standard) is a publicly traded Fortune 500 corporation and Exxon Mobil Corporation is one of the largest oil companies in the world. In this project, The Reynolds Group is untangling the liabilities and cost responsibilities of a commingled plume. The case is being overseen by the California Department of Toxic Substances Control (DTSC) and involves drafting and implementing work plans under the DTSC s stringent Quality Assurance/ Quality Control requirements. Several prominent law firms are engaged in this matter. DTSC and client interaction are critical to the effective advancement of the project. Standard is pleased with The Reynolds Group's performance. The case involves the assessment and remediation of chlorinated compounds associated with a commercial facility that are commingled with contaminants associated with the Exxon Mobil operation.
The Reynolds Group completed the assessment under DTSC guidelines and is currently removing volatile organic compounds (VOCs) from the subsurface via soil vapor extraction. The Reynolds Group will commence remediation of the groundwater soon. Because of the sites proximity to a residential neighborhood, The Reynolds Groups Health Risk Assessment (HRA) capabilities are also utilized. |
Service Station Soil/Groundwater Clean Up (5299.VII)
| Client: |
GREENWOOD |
| Proj Mgr: |
Daniel Nunez
|
Completed: |
08/06/2010 |
| Industry: |
Gas Station/ Underground Storage Tank Owners
|
Service: |
Mtbe Remediation
Soil Vapor Extraction
Groundwater Remediation
Operations And Maintenance Of Remediation Systems
|
| This case involves gasoline (BTEX and MTBE) impact to soil beneath the site and groundwater beneath and off site. Site assessment was accomplished with a network of 12 groundwater monitoring wells distributed across the site, in city streets and on neighboring properties. The site is located very near the City of Tustin drinking water wells. The gasoline plume extended 80 feet to groundwater. Remediation was accomplished with the installation and operation of soil vapor extraction and groundwater pump and treat systems. Because of the predominately sandy soil matrix at the site, the soil and groundwater cleanup was accomplished with a system of four soil vapor extraction wells and three pumping wells. Active remediation of the 80 foot deep soil plume and groundwater contamination was accomplished in four years. Closure was received from the Orange County Health Care Agency. |
Gasoline Plume (6961.VII)
| Client: |
CITY OF COACHELLA |
| Proj Mgr: |
Daniel Nunez
|
Completed: |
In Progress |
| Industry: |
Gas Station/ Underground Storage Tank Owners
|
Service: |
Soil Remediation
Regulatory Response & Negotiation
Soil Vapor Extraction
Site Assessment
Groundwater Remediation
California Cleanup Fund
|
This project is ongoing and funded by the Emergency, Abandoned, and Recalcitrant (EAR) Account which is administered by the Cleanup Fund. TRG has assessed the gasoline plumes in soil and groundwater (which extends off-site across a city street and beneath neighboring properties), installed soil vapor extraction and air sparge systems and begun active remediation. The core of the groundwater and soil plumes have been cleaned up. Semi-annual groundwater monitoring takes place through a network of 11 groundwater monitoring wells. An MTBE cut off plume remains to be cleaned up. The next phase of the project envisions the installation of six off-site ozone sparge wells to address the plume in the groundwater that has traveled off-site.
Additionally, to ensure an even greater impact on the overall project, TRG has coordinated efforts between the regulator on the case and the Clean-up Fund contact to lay out project plans and budgets on an annual basis thereby compressing the typical time-line of a project like this. Our client is kept up to date with every aspect of the project. Closure is expected from the Colorado River Basin Regional Water Quality Control Board within two years. |
Dry Cleaner Assessment (7564.VI)
| Client: |
PRIVATE PROPERTY OWNER |
| Proj Mgr: |
Daniel Nunez
|
Completed: |
09/30/2011 |
| Industry: |
Drycleaners
Real Estate Managers/owners
|
Service: |
Soil Vapor Extraction
Health Risk Assessments
Operations And Maintenance Of Remediation Systems
Soil Remediation
|
| The Reynolds Group recently completed a controversial assessment and remediation that involved Assessment, Health Risk Assessment and Remediation through the Orange County Health Care Agency (OCHCA). The controversy was that the City in Orange County where the work was conducted wanted to create a complicated chain of regulators: the Department of Toxic Substances Control (DTSC), the Santa Ana Regional Water Quality Control Board (SARWQCB), and the OCHCA. Working through Luis Lodriguezas Voluntary Oversight Program, TRG was able to secure a No further action letter from OCHCA without DTSC or SARWQCB involvement once concentrations in the ground were shown not to pose an elevated health risk. |
Remediation at Gas Station Site (6122.CUF)
| Client: |
MAGIC GAS |
| Proj Mgr: |
Al Fuan
|
Completed: |
11/23/2010 |
| Industry: |
Gas Station/ Underground Storage Tank Owners
|
Service: |
Soil Remediation
Soil Vapor Extraction
Health Risk Assessments
California Cleanup Fund
|
| When The Reynolds Group was brought onto this project in the Echo Park neighborhood of Los Angeles, the soil and groundwater contamination had not been fully assessed. The site was, therefore, not eligible for closure consideration. We assisted our client with their Cleanup Fund application and secured funding for the project. Once funding was in place, the cost of all subsequent work was pre-approved by the Cleanup Fund in order to guarantee reimbursement of costs, and the contamination was fully assessed. Upon completion of the assessment, TRG performed a limited amount of soil remediation and demonstrated the groundwater plume was stable (not increasing or spreading in area). Results of soil vapor sampling and a Human Health Risk Analysis (HHRA) demonstrated there was no risk of detrimental effects to human health by way of gasoline vapor intrusion. |
PCE Sub-Slab Depressurization (7715)
| Client: |
ARIZONA CIRCLE PARTNERS |
| Proj Mgr: |
Daniel Nunez
|
Completed: |
In Progress |
| Industry: |
Metal Finishers
Real Estate Managers/owners
|
Service: |
Vapor Intrusion Mitigation
Soil Vapor Extraction
|
This project in Los Angeles involves a building that formerly housed a metal plating shop. The processes involved with the plating operations used PCE (a chlorinated solvent that readily volatilizes) and released it into the soil beneath the site. Soil vapor surveys and assessments have identified the threat to the health of the occupants of the building due to the intrusion of PCE vapors into the building. Following a site inspection, the Reynolds Group performed a pilot study to determine the applicability of sub-slab vapor intrusion mitigation to protect the occupants from exposure to PCE.
Because the release and subsequent human health threat occurred after the building was constructed, the options for mitigating vapor intrusion were limited. The buildings slab-on-grade construction further limited the options. Through the pilot study, TRG demonstrated that applying a vacuum (depressurization) to the interface between the bottom of the concrete slab and the soil immediately beneath it, PCE vapors could be captured and prevented from entering the building. TRG then designed a simple and practical depressurization system to be installed to protect the workers at the facility from the human health risk.
|