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What a Phase I ESA is all about.

Writer's picture: Mark CastersonMark Casterson

A Phase I (Environmental Site Assessment (ESA) identifies recognized environmental concerns (RECs). RECs are potential or existing environmental contamination liabilities. If RECs are identified in the Phase I ESA, then a sampling of soil, groundwater, surface water, soil gas, or indoor air may be necessary to confirm whether there has been a release of hazardous substances or petroleum products. Such sampling reports are known as a Phase II environmental site assessment.



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CAS & Associates, LLC

2778 N. Lakeharbor Ln

Boise, Idaho 83703

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Environmental Engineering Firm in Boise, Idaho | Phase I & II Environmental Site Assessments in Boise | Environmental Risk Evaluation

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