[Code of Federal Regulations]
[Title 40, Volume 25]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR280.73]

[Page 475]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
                           AGENCY (CONTINUED)
 
PART 280_TECHNICAL STANDARDS AND CORRECTIVE ACTION REQUIREMENTS FOR OWNERS 
AND OPERATORS OF UNDERGROUND STORAGE TANKS (UST)--Table of Contents
 
            Subpart G_Out-of-Service UST Systems and Closure
 
Sec. 280.73  Applicability to previously closed UST systems.

    When directed by the implementing agency, the owner and operator of 
an UST system permanently closed before December 22, 1988 must assess 
the excavation zone and close the UST system in accordance with this 
subpart if releases from the UST may, in the judgment of the 
implementing agency, pose a current or potential threat to human health 
and the environment.