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Q725. How is an R&D project defined for geologic sequestration of carbon dioxide (Subpart RR)?

A725. Under the geologic sequestration of carbon dioxide source category (Subpart RR), an R&D project is defined as a project for the purpose of investigating practices, monitoring techniques, or injection verification, or engaging in other applied research, that will enable safe and effective long-term containment of a CO2 stream in subsurface geologic formations, including research and short duration CO2 injection tests conducted as a precursor to long-term storage (40 CFR 98.449).

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