ASTSWMO Corrosion Observations Tool

ASTSWMO’s Emerging Fuels Task Force created this tool for the purpose of submitting information on UST system corrosion observed during inspections and removals in the field. It is well known that some new fuel formulations are associated with accelerated corrosion, clogged filters, and other side effects. As yet however, we do not have a complete understanding of how widespread these issues are, nor do we know if these issues are leading to increases in releases from UST systems.

We hope UST regulators, inspectors, contractors, and owners will use this Corrosion Toolkit to report incidences of corrosion. Our goal is that assembling all this data will help identify trends, and especially we hope this toolkit will help identify potential problems before they become widespread.

The tool kit has been designed to be intuitive. Please enter all relevant data in the appropriate spaces. If you find a question to be unclear or confusing, please let us know. The Emerging Fuels Task Force will continue to refine this tool kit to be as useful and user-friendly as possible.

Please be aware that all information submitted may be shared on the ASTSWMO website and will be accessible to the public.

Your Information

Your Name*

Agency/Organization*

Your Email*

Location of UST System (City/State)*

What equipment was corroded and how severe? Use the example photos below to help with your response.

Tank or tank lining
Low to Moderate CorrosionSignificant CorrosionSevere Corrosion

Submersible turbine pump area
Low to Moderate CorrosionSignificant CorrosionSevere Corrosion

Drop tube or overfill prevention device
Low to Moderate CorrosionSignificant CorrosionSevere Corrosion

Automatic tank gauge components
Low to Moderate CorrosionSignificant CorrosionSevere Corrosion

Flexible connectors
Low to Moderate CorrosionSignificant CorrosionSevere Corrosion

Other connection Points
Low to Moderate CorrosionSignificant CorrosionSevere Corrosion

What is the estimated age of the component*
Less than 5 years5-10 years11-20 years21-30 yearsGreater than 30 yearsUnknown

Was there a release from the system associated with the corrosion?*
YesNo

What fuel was being stored in this UST system
Gasoline with up to 10% ethanol (E0 to E10)Gasoline with more than 10% ethanol (E15+)Ultra Low Sulfur Diesel (ULSD) - conventional Diesel sold in USBiodiesel or ULSD with more than 5% biodieselOther
If Other:

Was there a method of corrosion protection installed prior to observation?*
YesNo

If corrosion protection was installed, please provide information on method/type:

How was the corrosion discovered?*
Visual ObservationClogged fuel Filtersinoperable equipmentOther
If Other:

Additional Information

Narrative Description of Issue, including any findings and resolutions:

Upload any pictures or public file information you would like to share with ASTSWMO. Accepts pdf, jpg, png, and gif formats.

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