Briefly describe the scope and type(s) of discovery available (e.g., depositions, interrogatories, etc.):
For cases where corrective measures are necessary the respondent may file no more than 25 questions, including parts and subparts, to the EPA. See 40 CFR 24.14(d).
The Hearing Officer can direct which questions the EPA has to answer at his discretion. He also may request the production of relevant papers, books, and documents. See 40 CFR 24.14(e).