Caltha LLP Project Summary
Project: Phase 1 ESA For Gas Station/Service Station
Location(s): Minneapolis – Saint Paul Area, Minnesota
Key Elements: Phase 1 Site investigation, Tier I Vapor Encroachment Screening Assessment, ASTM E2600-10
Overview: Caltha LLP conducted a Phase 1 Environmental Site Assessment for this gas station property located in the suburban Minneapolis – Saint Paul Area. The station had operated as a gas station and auto repair facility since the 1950s. The Phase 1 assessment also included a Tier I Vapor Encroachment Screening Assessment using ASTM E2600-10. The prospective purchaser and developer intended to renovate existing building and to construct new buildings on the site. Findings determined that the status of underground storage tanks currently on the property and historic tanks associated with the station since it opened in the 1950s would need to be addressed during redevelopment. In addition, other potential areas of concern were identified. The Tier I Vapor Encroachment Screening Assessment determined that on-site vapor sources should be further evaluated to determine if vapor mitigation should be incorporated into redevelopment plans
Environmental reviews for older gas stations are especially important because records for underground storage tank removals were typically not kept prior to the 1980s.
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