Final report : results of the 2006 investigation of potential contamination at the former CCC/USDA facility in Ramona, Kansas.

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The investigation reported here was conducted by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) in 2006. The investigation addressed carbon tetrachloride contamination on the former CCC/USDA grain storage facility at Ramona, Kansas. The results clearly demonstrate that only minimal contamination is associated with the past use of carbon tetrachloride on the former CCC/USDA property. No soil contamination was detected at concentrations above Kansas Department of Health and Environment (KDHE) risk-based screening level (RBSL) Tier 2 standard of 200 {micro}g/kg for the soil-to-groundwater protection pathway. Carbon tetrachloride concentrations in groundwater above the RBSL and maximum contaminant level ... continued below

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LaFreniere, L. M. & Division, Environmental Science October 18, 2007.

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Description

The investigation reported here was conducted by the Commodity Credit Corporation of the U.S. Department of Agriculture (CCC/USDA) in 2006. The investigation addressed carbon tetrachloride contamination on the former CCC/USDA grain storage facility at Ramona, Kansas. The results clearly demonstrate that only minimal contamination is associated with the past use of carbon tetrachloride on the former CCC/USDA property. No soil contamination was detected at concentrations above Kansas Department of Health and Environment (KDHE) risk-based screening level (RBSL) Tier 2 standard of 200 {micro}g/kg for the soil-to-groundwater protection pathway. Carbon tetrachloride concentrations in groundwater above the RBSL and maximum contaminant level (MCL) value of 5.0 {micro}g/L were detected in only two samples, collected at adjacent locations on the southeast part of the property. The relatively low concentrations detected and the limited areal extent of the contamination demonstrate that no imminent threat exists on the former CCC/USDA property to warrant remediation. The soil and groundwater contamination detected on the former CCC/USDA property is clearly separate from contamination detected at off-site locations. The carbon tetrachloride and chloroform contamination in groundwater (at concentrations above the RBSL and MCL value) associated with past activities on the former CCC/USDA property is contained within the property boundaries. Data collected independently by the KDHE in 2006 validate these findings and, furthermore, provide additional evidence that the sources identified on the Co-op property (west of the former CCC/USDA property) are separate from the comparatively minor results of past activities on the former CCC/USDA property. The KDHE concluded in its 2006 report that the sources are separate and that the Co-op is the principally responsible party for the carbon tetrachloride contamination detected during its 2006 investigation.

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  • Report No.: ANL/EVS/AGEM/TR-07-10
  • Grant Number: DE-AC02-06CH11357
  • DOI: 10.2172/919339 | External Link
  • Office of Scientific & Technical Information Report Number: 919339
  • Archival Resource Key: ark:/67531/metadc879386

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  • October 18, 2007

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Sept. 28, 2016, 6:09 p.m.

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LaFreniere, L. M. & Division, Environmental Science. Final report : results of the 2006 investigation of potential contamination at the former CCC/USDA facility in Ramona, Kansas., report, October 18, 2007; United States. (digital.library.unt.edu/ark:/67531/metadc879386/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.