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

Project Code: C410573471Site Status:Active
Other Names:
Zip Code: 66101
County: WYRiver Basin: Upper Republican
Latitude: 39.11816Longitude:-94.63327
Program Name: Voluntary CleanupProject Manager:BENNETT, B.
Contaminants: Refined Petroleum, SVOC, VOC

Environmental Use Control In Place ?   No
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Site Narrative:
The facility is the location of multi-family residential low-rise and high-rise buildings with office space that has been operated by the Kansas City Kansas Housing Authority since 1969. Prior to 1969, the property was single-family residential.

The Storage Tank Section database indicates the property is the location of two (2) leaking underground storage tank (LUST) sites. Following removal of two - 2,000 gallon gasoline underground storage tanks (USTs) in 1993, 100 yards of contaminated soil was excavated and this release is associated with the Wyandotte Towers LUST Site (KDHE Project Code C4-105-01509). In 1998, a 2,000 gallon diesel UST was removed at the Site and minimal soil staining was observed in the tank basin therefore soil excavation was not conducted. This release is identified as the Kansas City Housing Authority LUST Site (KDHE Project Code U4-105-11899). Buried Tank Leak Assessment documents indicate that the tank basin is immediately northwest of the Wyandotte Tower Office building. Groundwater was not sampled during removal of the three USTs and the LUST Sites received a closed status from KDHE. An additional 4,000 gallon gasoline UST was installed at the Site in 1993 that remains onsite but listed as temporarily out of service since June 8, 2016. No additional information is available on the UST status.

A Phase II Environmental Site Assessment (ESA) was conducted at the Site in August 2016. The investigation indicated total petroleum hydrocarbons (TPH) in soil and groundwater that exceed risk-based standards for Kansas (RSKs). Co-located sub-slab and indoor air samples were collected at five locations in the buildings at the Site. Soil vapor samples were also collected from one temporary soil vapor well installed during the investigation. Sub-slab and indoor air samples detected 35 volatile organic compounds (VOCs). Of those VOCs, sub-slab samples indicated bromodichloromethane, chloroform, 1, 4-dichlorobenzene, and 1, 2, 4-trimethylbenzene at concentrations that exceed the respective RSKs for the residential indoor air pathway. Results of the indoor air samples indicated chloroform and 1, 4-dichlorobenzene at levels that exceed RSKs for residential indoor air. Samples collected from the soil vapor well indicated benzene, ethylbenzene, and 1, 2, 4-trimethylbenzene at concentrations that exceed RSKs for residential indoor air. Nineteen additional VOCs were detected but the concentrations were either below the respective RSK or there was not an established standard for the constituent. The Phase 2 ESA report concluded that soil and groundwater contamination appears to be sourced from the former USTs and/or current UST at the Site but indicated the source of indoor air VOCs that were detected during the investigation are unknown.

A Voluntary Cleanup Investigation (VCI) work plan was submitted on 10-16-17. Following revision, the document was approved on 11-3-17. An addendum to the work plan was approved on 4-6-18. The VCI was conducted in April-May 2018. The report for the field activities was approved on 9-10-18 including the proposal to install a monitoring well for use in determining whether the aquifer is potable. The monitoring well was installed in October 2018 and has not made water.

KDHE received a revised Qualitative Risk Assement for the site on June 25, 2020, which proposes addressing indentified risks associated with the residual contamination with the placement of Environmental Use Controls (EUCs).

Legal Descrpition

Actions Completed
Activity TypeActivityStartCompleted
PRP IDENTIFICATION/NEGOTIATIONVoluntary Agreement 06/20/2017

Actions Underway
Activity TypeActivityStartCompleted
No Actions Underway Information Found

Actions Proposed
Activity TypeActivityStartCompleted
REMEDIAL DESIGNVoluntary Cleanup Plan06/25/2020 

Map of Identified Site
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ISL Classes