UST Regulatory Compliance & EPA Standards 4

Question 1

Under the EPA's 2015 UST rule update, what change was made regarding operator training for Class A and Class B operators?

Accepted Answer

States were given flexibility to set their own Class A/B training requirements

Answer

The 2015 rule formally required states to implement operator training programs, with flexibility in how Class A and B requirements are structured at the state level.

Question 2

A tank system installed in 1987 that has not been upgraded to meet 1998 EPA standards is considered what type of system?

Accepted Answer

Non-compliant UST subject to closure requirements

Answer

Any UST that did not meet the December 1998 upgrade deadline is a non-compliant system and must be properly closed per 40 CFR Part 280.

Question 3

For a UST storing used oil, which regulatory framework primarily applies?

Accepted Answer

40 CFR Part 279 (Used Oil Management Standards)

Answer

Used oil stored in USTs is managed under 40 CFR Part 279, which establishes used oil management standards rather than the general UST regulations.

Question 4

Under EPA Release Reporting requirements, which scenario mandates immediate notification to the implementing agency?

Accepted Answer

Spilling more than 25 gallons of petroleum that is not immediately contained

Answer

Spills exceeding 25 gallons of petroleum that cannot be immediately contained must be reported to the implementing agency as a suspected release.

Question 5

When an ATG (Automatic Tank Gauge) system is used for release detection, what is the EPA's required statistical test pass/fail standard for monthly monitoring?

Accepted Answer

0.2 gallons per hour leak rate with 95% probability of detection and 5% probability of false alarm

Answer

EPA performance standards for ATGs require detecting a 0.2 gallon per hour leak with a 95% probability of detection and no more than a 5% probability of false alarm.

(UST) Underground Storage Tank Certification Practice Test

(UST) Underground Storage Tank Certification Practice Test

UST Regulatory Compliance & EPA Standards 4