Phase I Environmental Site Assessment: frequently asked questions
These answers are general. For your situation, check the official sources listed below or ask a professional.
What is a Phase I ESA?
A non-invasive assessment of a property: historical records, regulatory databases, a site visit and interviews, to identify recognized environmental conditions. No samples are taken.
Who can perform it?
An Environmental Professional meeting the education and experience requirements of the EPA All Appropriate Inquiries rule.
How long is a Phase I valid?
Under the rule, parts of it must be updated if it is more than 180 days old at the time of acquisition, and it is generally considered stale after one year.