40 CFR §310.21

1. (a)The EPA reimbursement official's decision is final EPA action unless you file a request for review by registered or certified mail within 60 calendar days of the date you receive our decision. Send your request for review to the address given in § 310.15(d).
2. (b)You must file your request for review with the disputes decision official identified in the final written decision.
3. (c)Your request for review must include:
   1. (1)A statement of the amount you dispute;
   2. (2)A description of the issues involved;
   3. (3)A statement of your objection to the final decision; and
   4. (4)Any additional information relevant to your objection to EPA's decision.
4. (d)After filing for review:
   1. (1)You may request an informal conference with the EPA disputes decision official;
   2. (2)You may be represented by counsel and may submit documentary evidence and briefs to be included in a written record; and
   3. (3)You will receive a written decision by the disputes decision official within 45 days after we receive your final submission of information unless the official extends this period for good cause.