Underground Storage Tank Incidents Map Note: UST Incidents are displayed according to their risk classification. Only “High Risk” incidents are visible at the default map scale. All other risk classifications become visible at a larger scale (zoomed in). Please report inaccurate UST Incident locations to the appropriate UST Regional office or to Jeremy Poplawski and provide the correct information in your correspondence. Additional Information Regarding UST Incident Attributes Risk Rank: A numerical value determined during the Risk Rank Assessment process that considers a variety of site specific characteristics. Source Abatement Code: “E” - The source presents an emergency condition that must be immediately abated. “A” - The UST System remains in operation and continues to discharge into the environment. “D” - The UST release has been abated, however, contaminated soil continues to release product or contaminants into the environment. “R” - The UST release has been abated and contaminated soil has been removed or remediated.