The Association of State and Territorial Solid Waste Management Officials, Inc. (“ASTSWMO”) has issued an October 2015 report titled Compatibility Considerations for UST Systems (“Report”).
The Report was prepared by ASTSWMO’s Tanks Subcommittee of the Emerging Fuels Task Force (“Task Force”).
The Report states that the Task Force prepared the Report with assistance from the United States Environmental Protection Agency Office of Underground Storage Tanks under cooperative agreements.
The intent of the Report is stated to be is to serve as a resource for State and Territorial underground storage tank (“UST”) program staff, UST owners and operators, equipment manufacturers, and contractors and consultants for the evaluation of equipment compatibility pursuant with the regulatory compatibility requirement found at 40 C.F.R. 280.32 (i.e., when storing motor fuels). The focus of the document is motor fuel, biofuel blends and ultra-low sulfur diesel.
The Report states it includes case summaries highlighting possible examples of equipment problems observed on UST systems previously storing motor fuels after changing to storing biofuels or ultra-low sulfur diesel. It further notes in part:
The actual cause of the problems were not documented and may not be the result of storing biofuel blends. All site-specific information provided in the summaries were prepared by individual state UST programs and provided to ASTSWMO for use in this compendium.
The Report addresses issues such as:
- Product operational compatibility
- Properties of biofuel blends
- Properties of ultra-low sulfur diesel
- Compliance evaluation check list
- Compliance evaluation search tool
- Considerations for the storage of biofuel blends and ultra-low sulfur diesel
Click here to download a copy of the Report.
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