[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: 40CFR280.74]

[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. 280.74  Closure records.

    Owners and operators must maintain records in accordance with Sec. 
280.34 that are capable of demonstrating compliance with closure 
requirements under this subpart. The results of the excavation zone 
assessment required in Sec. 280.72 must be maintained for at least 3 
years after completion of permanent closure or change-in-service in one 
of the following ways:
    (a) By the owners and operators who took the UST system out of 
service;
    (b) By the current owners and operators of the UST system site; or
    (c) By mailing these records to the implementing agency if they 
cannot be maintained at the closed facility.