Phase I Environmental Site Assessments (ESAs) are a systematic screening tool used by property owners, potential buyers, occupants, developers, and lending institutions to make informed decisions on the environmental liability associated with a specific property.

A Phase I ESA seeks to determine whether a property is or may have been subjected to actual or potential contamination. The Phase I ESA does not involve intrusive procedures; sampling and analysis of soil, groundwater, or building materials is not carried out as part of the assessment. The role of the assessor is to document evidence of actual or potential contamination and not to judge the acceptability of risks associated with such contamination.

Please complete the form below for assistance with a Phase I ESA.





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Please enter your contact information below and a Ridgeline representative will contact you as soon possible to answer any questions you have on Phase 1 ESAs, and to begin drafting a detailed scope of work and cost estimate specific to your property and environmental assessment needs.