...989.) § 9124. Civil actions (a) Jurisdiction Except as provided in subsection (b) of this section, any person having a valid legal interest which is...be adversely affected may commence a civil action for equitable relief on his own behalf in the United States District Court for the District of Columbia...

...respect to the alleged violation in a court of the United States; except that in any such civil action, any person having a valid legal interest which is or may be adversely affected by the alleged violation may intervene; or (2) under subsection (a)(2) of this section, prior...

...respect to the alleged violation in a court of the United States; except that in any such civil action, any person having a valid legal interest which is or may be adversely affected by the alleged violation may intervene; or (2) under subsection (aX2) of this section, prior...

...SUITS SEC. 5W. (a) Except as provided in subsection (b) of this section, any person having an interest which is or may be adversely affected may commence a civil action on his own behalf — (1) against any person including — (A) the United States, (B) any other governmental...

...SUITS SEC. 520. (a) Except as provided in subsection (b) of this section, any person having an interest which is or may be adversely affected may commence a civil action on his own behalf — (1) against any person including — (A) the United States, (B) any other governmental...

...respect to the alleged violation in a court of the United States; except that in any such civil action, any person having a valid legal interest which is or may be adversely affected by the alleged violation may intervene; or (2) under subsection (aX2) of this section, prior...

...respect to the alleged violation in a court of the United States; except that in any such civil action, any person having a valid legal interest which is or may be adversely affected by the alleged violation may intervene; or (2) under subsection (aX2) of this section, prior...

...(3) of section 421 of this title, or pursuant to a Federal program or the Federal lands program or any person having a valid legal interest which is or may be adversely affected by such notice or order or by any modification, vacation, or termination of such notice or...

...respect to the alleged violation in a court of the United States; except that in any such civil action, any person having a valid legal interest which is or may be adversely affected by the alleged violation may intervene; or (2) under subsection (aX2) of this section, prior...

...of any lease or permit issued under the Act. This subsection provides that suits may be brought by "any person having a valid legal interest which is or may be adversely affected." Thus, the scope of persons who can sue are those who can show an actual interest that is...