On March 29, the U.S. Senate Committee on Environment and Public Works held a hearing entitled “Oversight Hearing on Disease Clusters and Environmental Health.” Committee Chairwoman Barbara Boxer, D-Calif., and Senator Mike Crapo, R-Idaho, ranking member of the Superfund, Toxics and Environmental Health Subcommittee, introduced the Strengthening Protections for Children and Communities from Disease Clusters Act (S. 76), also known as Trevor’s Law, on Jan. 25, 2011.
PRB Installation at Superfund Site Using Angled Drilling - Case Study
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)....
Superfund Investigates Land Pollution from the Past…and Present
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...
What does EPA’s new guidance on greener cleanup activities mean to you?
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...
Case study - Superfund site, water pump & treat system
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...
Case study - Pemaco superfund site remediation
OVERVIEWPemaco was formerly a chemical facility located in a light industrial and residential area of Maywood, CA, adjacent to the Los Angeles River. No one knows how long hazardous substances had been leaking into the ground but the operations date back to the 1940`s. Up until closure of the facility in 1991, chlorinated solvents, aromatic solvents, and flammable liquids had all been used in the chemical mixing, blending, storage and distribution processes at this location. After a fire at the abandoned Pemaco...