Steel Tank - STI SP001

Every oil (petroleum, animal or vegetable origin) storage container of 55-gallons and greater is subject to the regulations for STI SP001. Regularly scheduled inspections, assessment, and testing of these vessels by qualified personnel are critical to protect against any incidental discharge.  From operators of large refineries to a local municipality, the same standards for inspection and compliance apply. The scope of STI SP001 Standard for the Inspection of Aboveground Storage Tanks by the Steel Tank Institute (STI) includes the inspection and testing of:

  • Aboveground shop-fabricated tanks
  • Small field-erected tanks
  • Portable containers
  • Associated secondary containment.

Qi2 Elements is unequaled in our tank inspection expertise, and our currency of knowledge about state and federal rules for application. We further have the consulting and training experience to optimize owner’s compliance procedurals for STI SP001 regulated facilities.


  • Tank Categorization 
  • Integrity Testing 
  • SPCC Plan Development
  • Training / Education
  • SP001 Consulting

Single Service or Complete Solutions

Qi2 Elements inspectors and professional engineers are highly proficient at delivery of integrity testing, tank categorization, SPCC Plan design and delivery of support to clients to obtain business efficient, fully-complaint STI SP001 standard practices.

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