Contingency interim measure for the public water supply at Barnes, Kansas.

LaFreniere, L. M. ; Environmental Science Division

关键词: AGRICULTURE;    AQUIFERS;    CARBON TETRACHLORIDE;    CHLOROFORM;    CONTRACTORS;    DESIGN;    EDUCATIONAL FACILITIES;    MAINTENANCE;    MANUFACTURERS;    MONITORING;    PERFORMANCE;    SCHEDULES;    STORAGE;    US EPA;    WATER SUPPLY;    WELLHEADS;   

DOI  :  10.2172/966041
RP-ID  :  ANL/EVS/AGEM/TR-08-19
PID  :  OSTI ID: 966041
Others  :  TRN: US200922%%539

学科分类：环境科学（综合）

美国|英语

来源: SciTech Connect

【 摘 要 】

This document presents a conceptual design for a contingency interim measure (IM) for treatment of the public water supply system at Barnes, Kansas, should this become necessary. The aquifer that serves the public water supply system at Barnes has been affected by trace to low concentrations of carbon tetrachloride and its degradation product, chloroform. Investigations conducted on behalf of the CCC/USDA by Argonne National Laboratory (Argonne 2008a) have demonstrated that groundwater at the Barnes site is contaminated with carbon tetrachloride at concentrations exceeding the Kansas Tier 2 risk-based screening level (RBSL) and the EPA maximum contaminant level (MCL) of 5.0 {micro}g/L for this compound. The Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) formerly operated a grain storage facility in Barnes, approximately 800 ft east-southeast of the public water supply wells. Carbon tetrachloride was used in the treatment of grain. Another potential source identified in an investigation conducted for the KDHE (PRC 1996) is the site of a former agriculture building owned by the local school district (USD 223). This building is located immediately east of well PWS3. The potential contingency IM options evaluated in this report include the treatment of groundwater at the public water supply wellheads and the provision of an alternate water supply via Washington County Rural Water District No.2 (RWD 2). This document was developed in accordance with KDHE Bureau of Environmental Remediation (BER) Policy No.BER-RS-029 (Revised) (KDHE 2006a), supplemented by guidance from the KDHE project manager. Upon the approval of this contingency IM conceptual design by the KDHE, the CCC/USDA will prepare a treatment system design document that will contain the following elements: (1) Description of the approved contingency IM treatment method; (2) Drawings and/or schematics provided by the contractor and/or manufacturer of the approved technology; (3) A detailed work schedule with a generic timetable; (4) A detailed operations and maintenance plan; (5) A proposed performance monitoring plan; and (6) A fact sheet associated with a community relations plan.