Development Command Center 20 items
Phase I Environmental Site Assessment (ASTM E1527-21) Checklist
A checklist for scoping and reviewing a Phase I Environmental Site Assessment to satisfy All Appropriate Inquiries and identify recognized environmental conditions.
ASTM E1527-2140 CFR Part 312CERCLA AAI
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Records Review
- Are standard federal, state, tribal, and local environmental records reviewed? *
- Are historical use sources (aerials, Sanborn maps, directories, titles) reviewed? *
- Is the property's history reviewed back to first developed use or 1940? *
- Are adjoining property records and databases evaluated? *
Site Reconnaissance
- Was a site visit conducted to observe current conditions and uses? *
- Are hazardous substances or petroleum products storage/use observed? *
- Are aboveground/underground storage tanks (AST/UST) identified? *
- Are stains, odors, stressed vegetation, or drum storage noted? *
- Photos of observed environmental conditions
Interviews & Information
- Were interviews conducted with owners, occupants, and operators? *
- Was the User Questionnaire completed for user-provided information? *
- Are prior environmental reports for the property reviewed? *
Findings & Opinions
- Are recognized environmental conditions (RECs) identified? *
- Are controlled RECs (CRECs) and historical RECs (HRECs) distinguished? *
- Are data gaps identified and their significance evaluated? *
- Is a recommendation made regarding further (Phase II) investigation? *
AAI & Qualifications
- Does the assessment satisfy the All Appropriate Inquiries rule? *
- Is the Environmental Professional's qualification statement included? *
- Is the report completed within the 180-day viability window? *
- Environmental Professional signature
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