[Code of Federal Regulations]
[Title 40, Volume 24]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR280.74]

[Page 473-474]
 
                   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

[[Page 474]]

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.