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City of Leavenworth Brownfields Targeted Assessment


GSI has provided Brownfields Targeted Assessments and Asbestos Surveys to the City of Leavenworth since 2011. The work has been performed in partnership with the city and the Kansas Brownfields Program. Environmental Assessments have facilitated redevelopment planning of the riverfront and high-profile downtown properties that were previously neglected due to perceived environmental impacts.


Choctaw Street Riverfront Corridor


GSI expedited Phase I assessments for several riverfront and downtown parcels along the Choctaw Street Riverfront Corridor that were proposed for land “swaps” and acquisition by the city. Due diligence that followed the EPA's All Appropriate Inquiry (AAI) Rule supported the city's acquisitions and expansion of the Downtown Development Plan.


Former Nights Inn / Phase I & Phase II


GSI also performed a Brownfields Targeted Assessment of the former Nights Inn property in downtown Leavenworth. Phase II sampling was implemented under a state-approved QAPP, including a detailed asbestos survey. Soil and groundwater testing for volatile organic compounds (VOCs) and heavy metals revealed limited impacts related to previous industrial use. Risk-based evaluations were applied to

facilitate site development..