AST Regulatory Diagnostics & Inspection

Independent Aboveground Storage Tank Inspection

USTEX provides independent aboveground storage tank regulatory diagnostics under API 653 and STI SP001. Our conflict-free inspection model produces objective findings with no financial interest in repair outcomes — trusted by engineering firms, municipalities, and industrial operators.

AST Inspection Capabilities

• API 653 Aboveground Tank Inspection — Structured inspection covering shell integrity, bottom assessment, roof condition, and appurtenance evaluation.
• STI SP001 Compliance Inspection — Shop-fabricated and field-erected aboveground storage tank inspection including foundation integrity and containment assessment.
• Secondary Containment Evaluation — Dike walls, liner integrity, and containment volume capacity assessment for regulatory conformance.
• Overfill Protection System Verification — Functional testing of overfill alarms and automatic shutoff valves on aboveground installations.
• Corrosion Assessment & Documentation — Visual and instrument-aided evaluation of tank shell corrosion and coating condition.
• SPCC Plan Support Documentation — Inspection findings formatted for direct integration into Spill Prevention, Control, and Countermeasure plan updates.

Regulatory Standards

API 653 • STI SP001 • EPA 40 CFR Part 112 • State SPCC Requirements • OSHA 1910.106

All Services | Request AST Inspection Scope | Credentials & Conflict-Free Model