((a)) ** Furnishing information** For the purposes of developing or assisting in the development of any regulation, conducting any study, taking any corrective action, or enforcing the provisions of this subchapter, any owner or operator of an underground storage tank (or any tank subject to study under that is used for storing regulated substances) shall, upon request of any officer, employee or representative of the Environmental Protection Agency, duly designated by the Administrator, or upon request of any duly designated officer, employee, or representative of a State acting pursuant to subsection (h)(7) of or with an approved program, furnish information relating to such tanks, their associated equipment, their contents, conduct monitoring or testing, permit such officer at all reasonable times to have access to, and to copy all records relating to such tanks and permit such officer to have access for corrective action. For the purposes of developing or assisting in the development of any regulation, conducting any study, taking corrective action, or enforcing the provisions of this subchapter, such officers, employees, or representatives are authorized—

((1)) to enter at reasonable times any establishment or other place where an underground storage tank is located;

((2)) to inspect and obtain samples from any person of any regulated substances contained in such tank;

((3)) to conduct monitoring or testing of the tanks, associated equipment, contents, or surrounding soils, air, surface water or ground water; and

((4)) to take corrective action.

((b)) ** Confidentiality**

((1)) Any records, reports, or information obtained from any persons under this section shall be available to the public, except that upon a showing satisfactory to the Administrator (or the State, as the case may be) by any person that records, reports, or information, or a particular part thereof, to which the Administrator (or the State, as the case may be) or any officer, employee, or representative thereof has access under this section if made public, would divulge information entitled to protection under , such information or particular portion thereof shall be considered confidential in accordance with the purposes of that section, except that such record, report, document, or information may be disclosed to other officers, employees, or authorized representatives of the United States concerned with carrying out this chapter, or when relevant in any proceeding under this chapter.

((2)) Any person not subject to the provisions of who knowingly and willfully divulges or discloses any information entitled to protection under this subsection shall, upon conviction, be subject to a fine of not more than $5,000 or to imprisonment not to exceed one year, or both.

((3)) In submitting data under this subchapter, a person required to provide such data may—

((A)) designate the data which such person believes is entitled to protection under this subsection, and

((B)) submit such designated data separately from other data submitted under this subchapter.

((4)) Notwithstanding any limitation contained in this section or any other provision of law, all information reported to, or otherwise obtained, by the Administrator (or any representative of the Administrator) under this chapter shall be made available, upon written request of any duly authorized committee of the Congress, to such committee (including records, reports, or information obtained by representatives of the Environmental Protection Agency).

((c)) ** Inspection requirements**

((1)) ** Uninspected tanks** In the case of underground storage tanks regulated under this subchapter that have not undergone an inspection since , not later than 2 years after , the Administrator or a State that receives funding under this subchapter, as appropriate, shall conduct on-site inspections of all such tanks to determine compliance with this subchapter and the regulations under this subchapter (40 CFR 280) or a requirement or standard of a State program developed under .section 6991c of this titleDecember 22, 19981998-12-22August 8, 20052005-08-08

((2)) ** Periodic inspections** After completion of all inspections required under paragraph (1), the Administrator or a State that receives funding under this subchapter, as appropriate, shall conduct on-site inspections of each underground storage tank regulated under this subchapter at least once every 3 years to determine compliance with this subchapter and the regulations under this subchapter (40 CFR 280) or a requirement or standard of a State program developed under . The Administrator may extend for up to one additional year the first 3-year inspection interval under this paragraph if the State demonstrates that it has insufficient resources to complete all such inspections within the first 3-year period.section 6991c of this title

((3)) ** Inspection authority** Nothing in this section shall be construed to diminish the Administrator’s or a State’s authorities under subsection (a).