We provided expertise in determining if previously closed waste management units and ongoing remediation efforts at an oil facility were and are being conducted in a manner consistent with applicable provisions of the federal Superfund program and the National Oil and Hazardous Substances Pollution Contingency Plan (NCP).
The Client
A large petroleum company
The Rundown
We reviewed facility documentation and reports, analyzed Federal and state hazardous waste regulations, and prepared a report documenting closure and remediation efforts. Our analysis was used to ensure that: applicable protectiveness standards were achieved, selected remedies were permanent and cost effective, and that the public was provided an opportunity to participate in the remediation process. We were also retained to provide expert witness services, if necessary.
The NRAP site is a state-lead site in its 7th year of groundwater treatment operations by in-situ enhanced reductive dechlorination. The site’s lead agency, the New Mexico Environment Department (NMED), recently completed a response action report to document ongoing progress in their remediation efforts. NMED utilized EnviroInsite in that effort to assist in the interpretation of sampling results.
ABSTRACT
BOS 100® was injected adjacent to and beneath a stream using a direct push angle drilling technique to successfully create a PRB and limit PCE flux from the upgradient source area into the stream.
CHALLENGES
The Superfund site is a former textiles facility where tetrachloroethylene (PCE) was used in dry-cleaning operations. Approximately one-half mile downgradient of the source PCE (100-300 μg/L PCE) was discharging into a stream through the saprolitic formation (weathered gneiss and schist)....
On September 7, 2016, we took steps to respond to states, tribes and citizens who asked for our help addressing contaminated sites. In response, we are adding 10 hazardous waste sites to the National Priorities List (NPL). The NPL is our list of more than 1,300 of the most contaminated sites in the country that we are addressing under the Superfund program. Superfund is one of the most important federal programs to improve the health, environment and economy of America’s communities.
As I’ve traveled...
On August 2, 2016, the United States Environmental Protection Agency (EPA) issued “Consideration of Greener Cleanup Activities in the Superfund Cleanup Process” in the form of a guidance memorandum to Regional Superfund National Program Managers and Regional Counsels.
So what does it mean to site owners?
The memorandum recommends approaches for regional remedial Superfund programs to consider when evaluating greener cleanup activities throughout the remedy selection process, including during...
Anguil Aqua Systems LLC was contracted as part of a team of companies to implement a ground water pump and treat system intended to remove trichloroethylene (TCE) from a local aquifer designated as a Superfund Site by the Environmental Protection Agency (EPA). Though the site is nestled between the buildings and roadways of an existing and operating industrial facility, the overall extent of the pump and treat system is expansive. Extraction wells are located over 1,000 ft. from the treatment building and there...
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