Mobil Oil Mariana Islands, Inc., Mobil Saipan Terminal (Board decision, December 4, 2025)

Plain-English summary

Mobil Oil Mariana Islands, Inc. filed a petition for review concerning NPDES Permit No. MP0020397 for its Saipan Terminal. EPA Region 9 asked the Environmental Appeals Board to dismiss the petition as moot and represented that it had withdrawn the contested permit provisions under 40 C.F.R. § 124.19(j). The record states that Mobil did not oppose the motion. The Board granted the motion and dismissed the petition without deciding the merits of the permit dispute.

Decision snapshot

• Cited authorities: 40 C.F.R. § 124.19(j)
• Outcome: The petition for review was dismissed as moot after EPA Region 9 withdrew the contested permit provisions.
• Key point: Withdrawal of the challenged permit provisions can eliminate the live dispute and make the appeal moot.

Full text (EPA EAB public release)

F I L E D
Dec 04, 2025
Clerk, Environmental Appeals Board
INITIALS ______
ENVIRONMENTAL APPEALS BOARD
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
WASHINGTON, D.C.

                                             )

In re Mobil Oil Mariana Islands, Inc., Mobil )
Saipan Terminal ) Appeal No. NPDES 25-03
)
NPDES Permit No. MP0020397 )
)
)

          ORDER DISMISSING PETITION FOR REVIEW AS MOOT


                              Decided December 4, 2025



  Before Environmental Appeals Judges Aaron P. Avila and Ammie Roseman-Orr

  Order of the Board by Judge Avila:

   EPA Region 9 moved to dismiss as moot the Petition for Review filed by Mobil Oil

Mariana Islands, Inc. in the above-captioned matter. EPA Region 9 Motion to Dismiss (Dec.

1, 2025). The Region represents it has withdrawn the contested provisions of the permit

pursuant to 40 C.F.R. § 124.19(j). Id. at 1. The Region further represents that Mobil does not

oppose the filing of the motion. Id. at 2. In consideration of the motion and the

representations therein, the Board dismisses the petition for review in this matter as moot.

   So ordered.

Page 2

                           CERTIFICATE OF SERVICE

   I certify that copies of the foregoing Order Dismissing Petition for Review as Moot in

the matter of Mobil Oil Mariana Islands, Inc., Mobil Saipan Terminal, Appeal No. NPDES 25-
03, were sent to the following persons on December 4, 2025 in the manner indicated:

By E-mail:

For EPA Region 9 For Mobil Oil Mariana Islands, Inc.

Brett Moffatt Erika H. Spanton
Office of Regional Counsel Beveridge & Diamond
EPA Region 9 [email protected]
[email protected]

                                                                       Digitally signed by
                                                                       TOMMIE MADISON
                                                                       Date: 2025.12.04
                                                                       11:15:08 -05'00'

                                                           Tommie Madison
                                                           Clerk of the Board