Briefly describe the scope and type(s) of discovery available (e.g., depositions, interrogatories, etc.):
EPA, in the Notice of Acknowledgment following a timely appeal, "may identify any additional information or documentation that is required for thorough consideration" of the challenged agency decision. (40 CFR 31.73(a)). The applicant/grantee challenging EPA's agency decision is not entitled to conduct discovery or request documents.