UST Regulatory Compliance & EPA Standards 3

Question 1

A heating oil tank serving a single family home that is NOT used for resale is regulated under which category?

Accepted Answer

Exempt UST under 40 CFR Part 280.10(b)

Answer

Heating oil tanks used at the premises where stored and not for resale are specifically listed as excluded from federal UST regulation under 40 CFR 280.10(b).

Question 2

Under EPA standards, which method is NOT an acceptable form of financial assurance for UST corrective action and third-party liability?

Accepted Answer

Personal guarantee from the facility owner

Answer

A personal guarantee from an individual facility owner is not an acceptable financial assurance mechanism under 40 CFR Part 280 Subpart H.

Question 3

When must an owner/operator notify the implementing agency of the permanent closure of a UST system?

Accepted Answer

At least 30 days before closure begins

Answer

Owners/operators must notify the implementing agency at least 30 days before beginning permanent closure or change-in-service operations.

Question 4

What concentration of petroleum-contaminated soil may trigger a site assessment requirement under EPA guidance during UST closure?

Accepted Answer

Evidence of a release based on visual inspection or sampling

Answer

During closure, if evidence of a release is found through visual inspection, odor, or sampling results, a site assessment must be conducted to determine the extent of contamination.

Question 5

Which EPA-approved lining material method is acceptable for upgrading an existing single-wall steel UST to meet current standards?

Accepted Answer

Epoxy resin interior lining with annual tightness testing

Answer

Interior lining using approved epoxy or similar resin materials, combined with annual tightness testing and 3-year lining inspections, is an accepted upgrade method.

(UST) Underground Storage Tank Certification Practice Test

(UST) Underground Storage Tank Certification Practice Test

UST Regulatory Compliance & EPA Standards 3