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The Resource Conservation and Recovery Act (RCRA) regulates waste management activities at hazardous waste management facilities. Whenever a facility becomes subject to regulation under RCRA, the facility owner or operator is required to notify the US Environmental Protection Agency (EPA) of hazardous waste activity and within 30 days submit the initial ''Part A'' portion of an operating permit application [RCRA {section} 3010] to EPA or to the State authorized to operate a hazardous waste management program in lieu of EPA. A facility that has submitted its Part A application is defined as having ''interim status, '' and is subject to the regulations in 40 CFR Part 265. Interim status facilities that contain hazardous waste landfills, surface impoundments, or land treatment facilities are required by 40 CFR 265 Subpart F to implement a groundwater monitoring program that consists of several phased monitoring activities and is capable of determining the facility's impact on the quality of ground water in the uppermost aquifer underlying the facility. This information brief is the fourth in a series on the general topic of groundwater monitoring requirements under RCRA at interim status and permitted facilities. This information brief focuses on the last phase of activities, implementation of an Assessment Program, and highlights recordkeeping and reporting requirements.
This document outlines a ground-water monitoring plan for the 216-B-63 trench located in the northeast corner of the 200-East Area on the Hanford Site in southeastern Washington State. It has been determined that hazardous materials (corrosives) were disposed of to the trench during past operations. Installation of an interim-status ground-water monitoring system is required to determine whether hazardous chemicals are leaching to the ground water from beneath the trench. This document summarizes the existing data that are available from near the 216-B-63 trench and presents a plan to determine the extent of ground-water contamination, if any, derived from the trench. The plan calls for the installation of four new monitoring wells located near the west end of the trench. These wells will be used to monitor ground-water levels and water quality immediately adjacent to the trench. Two existing RCRA monitoring wells, which are located near the trench and hydraulically upgradient of it, will be used as background wells. 46 refs., 15 figs., 12 tabs.
Discharges of wastes from activities associated with the federal government's Los Alamos site in northern New Mexico began during the Manhattan Project in 1943. Now designated the Los Alamos National Laboratory (LANL), the site is operated under contract by the Department of Energy (DOE). Through past and ongoing investigations, radioactive and chemical contaminants have been detected in parts of the complex system of groundwater beneath the site. Since effective protection of groundwater is important for LANL's continuing operations, DOE's Office of Environmental Management requested technical advice and recommendations regarding several aspects of LANL's groundwater protection program. This interim report summarizes the committee's information-gathering activities and identifies issues within the scope of its task that have risen to the committee's attention without offering any findings or recommendations. The final report is expected to be released in May 2007 and it is the hope that results of the final study will provide guidance and impetus for dialogue and agreement among DOE, LANL, and other stakeholders on a focused, cost-effective program for protecting the groundwater in and around the site.