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THE SECRETARY OF TRANSPORTATION WASHINGTON, D.C. 20590

S E P 1 2 2006

The Honorable Stephen Johnson Administrator U.S . Environmental Protection Agency Washington, DC 20460

~XEGL`Tf`aE KP-,CR!. ; T-A

Enclosed is the U.S . Department of Transportation's (DOT) Federal Facility Compliance Strategy Report, as required by Section 9007(b)(1.) of the Solid Waste Disposal Act, as added by section 1528 of the Underground Storage Tank Compliance Act (USTCA) (Public Law 109-58, Title XV, Subtitle B, August 8, 2005). The DOT owns and operates 351 underground storage tanks (UST) subject to the USTCA. The UST systems primarily serve as fuel storage vessels for emergency power generator operations .

The majority of DOT's tanks are owned and operated by the Federal Aviation Administration (FAA). The FAA UST operations are managed nationally through FAA's Environmental, Occupational Safety and Health Services Division Fuel Storage Tank Program. The FAA USTs are located across wide geographic areas and local tank operations are managed through centralized Sector Maintenance Offices.

The enclosed table presents the DOT UST data in tabular format . Data are presented in accordance with guidance issued by the Environmental Protection Agency. The DOT has designated compliance status for each UST based on the following categories and definitions :

" N/A - UST has never been inspected by a local, State, or Federal regulator .

" Unknown - UST has been inspected by a local, State, or Federal regulator, but no written inspection results have been received .

" Noncompliant - UST was inspected by a local, State, or Federal regulator and written notice of compliance deficit(s) was received .

" Compliant - UST was inspected and written notice indicating no compliance deficit was received .

The DOT did not previously track regulator inspection dates as part of the standard UST records keeping process. In some instances, anecdotal data has been used to classify

Page 2 The Honorable Stephen Johnson

compliance status . The DOT local UST operators and/or Fuel Storage Tank managers confirm that UST systems under their direct supervision were subjected to regulatory inspections but cannot validate the actual calendar dates. For USTs where anecdotal inspection evidence was considered, the "Date of Last Inspection" is shown as "Not Known." In these instances, UST Compliance Status has been designated as "Unknown." The DOT is currently evaluating their records keeping procedures, and databases will be updated as inspections arise.

An identical letter has been sent to the Chairmen of the House and Senate Committees on Environment and Public Works.

cc : Cliff Rothenstein, Director EPA OSWER/OUST David Kling, Director EPA OECA/FFEO

Enclosure

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