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Kansas Department of Health and Environment
Bureau of Environmental Remediation
Identified Sites List Information

Project Code:  C208773349 Site Status: Resolved WITH Restrictions
CERCLIS Number:     
Other Names:     
Address:  2533 SOUTH WEST STREET  City:  WICHITA
Zip Code:  67217    
County:  SG  River Basin:  Lower Arkansas
Latitude:  37.648267  Longitude:  -97.390728
Program Name:  Voluntary Cleanup  Project Manager:  BENNETT, B.
Contaminants:  Refined Petroleum    

Environmental Use Control In Place? Yes
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Site Narrative:
Wescon Controls Facility (Site) is located at 2533 South West Street, Wichita, Sedgwick County, Kansas. The facility has operated as a manufacturer of wire and cable since 1950. Prior to 1950, land use at the Site was agricultural. The Site is surrounded by industrial facilities to the northwest, north, and east, and a residenrial area to the south and southwest. According to the KGS Water Well Database, several monitoring wells, one industrial well, two domestic wells, and one public water supply well are located within a one-half mile of the site.  
Three phase II site investigations, focused on the area surrounding an oil/water separator (OWS) reportedly removed in the late 1990's, were conducted at the site. The first investigation conducted in 1997, indicated 1,2,4-trimethylbenzene, 1,3,5-trimethylbenzene, napthalene, methyl chloride, and TPH above Risk-based Standards for Kansas (RSK) in groundwater, with 1,2,4-trimethylbenzene and TPH being above in soil as well. A phase II conducted in 2013 indicated no RSK exceedences. A phase II investigation conducted in March 2016, indicated mid-range hydrocarbons (MRH) above RSK in the groundwater and soil-to-groundwater pathways.  
The site is 750 feet southeast (downgradient) of the CECO, Inc. (CECO) site currently addressing VOC contamination in the State Cooperative Program, specifically 1,4-dioxane, 1,1-dichloroethtlene, 1,1,1-trichloroethane, and trichloroethylene in groundwater. The CECO contaminant plume may extend onto Wescon property.  
The Voluntary Agreement (16VCP0001) for Wescon Controls, LLC was executed by the Secretary June 2016. Wescon is seeking a No Further Action (NFA) for MRH.  
VCI activities conducted August 2016 found no offsite impacts downgradient of the former OWS. Impacts may have migrated offsite side-gradient to the east of the formed OWS. KDHE requested additional delineation in gw side-gradient to the former OWS. An additional source area was found, possibly related to a former mineral spirits sump. KDHE requested additional soil and gw delineation in this area.  
A VCI addendum was approved in December 2016. VCI activities were conducted in January 2017, KDHE approved the report on April 16, 2017, along with a request for submission of a groundwater monitoring work plan. Additional delineation of groundwater impacts was needed towards the west. After several documented attempts were made, Wescon was unable to get access to the adjacent west property for sampling. To address this issue, groundwater modelling was performed in order to determine the potential extent of the plume. The initial results indicated that the plume does not extend off-site. KDHE requested a year of quarterly groundwater monitoring, in order to establish contaminant trends. The groundwater model has been updated with each quarterly report, and has not indicated contamination is migrating off-site over three quarters of sampling. The last quarterly monitoring event was conducted September 20, 2018. Based on the results of monitoring and groundwater modeling, the contamination in groundwater appears to be stable to decreasing and the extent of the plume is limited to the Site. Wescon submitted a Voluntary Cleanup Report, which includes the placement of an Environmental Use Control, in order to address the residual contamination in soil and groundwater. The VC Report/Plan will be made available for public comments on the KDHE-BER website between February 12-27, 2019. A pubic notice will be published in the Sedgwick County Post on February 12, 2019. No comments were received by KDHE, and the VC Plan was approved by KDHE. In accordance with the VC Plan, and EUC was placed on the property in June 2019. An NFA has been issued for the Site.

Legal Description:
 Parcel  Description

Actions Completed:
 Activity Type  Activity
 PRP IDENTIFICATION/NEGOTIATION  Voluntary Agreement    06/30/2016
 INVESTIGATION  Voluntary Cleanup Investigation (VCI)  06/23/2016  02/01/2019
 PUBLIC RELATIONS  Public Notice  02/12/2019  02/27/2019
 REMEDIAL DESIGN  Voluntary Cleanup Plan  02/01/2019  02/28/2019
 SITE ACTIONS COMPLETE  NFA Letter with EUC Issued    06/26/2019

Actions Underway:
 Activity Type  Activity

Actions Proposed:
 Activity Type  Activity

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