Caltha LLP Project Summary
Project: Phase 1 ESA For Historical Mixed Use Site
Client: Prospective Buyer
Location(s): Minneapolis, 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 multiple parcel property located in Minneapolis, Minnesota. Phase 1 was conducted on behalf of a prospective Buyer. A focus of the Phase 1 ESA was to determine if any past uses of the property were considered “environmentally sensitive uses” which might impact the redevelopment of the property.
The property had a long history of developed uses dating back to at least 1886, including residential and commercial uses. Historical records indicated past use as a filling station, a dry cleaner and a painting operation, all of which were considered a risk for site contamination.
The Phase 1 environmental also included a Tier I Vapor Encroachment Screening Assessment conducted in accordance with ASTM Standard E2600-10. Numerous current and historic vapor sources were identified in the area. The screening assessment determined which, if any, could be a potential soil vapor encroachment risk for the property being assessed.
Oil Spill and Contaminated Soil Identified During Phase 1 Environmental Inspection
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