UST Regulatory Compliance & EPA Standards 2

Question 1

Under 40 CFR Part 280, what is the maximum allowable threshold for a UST system to be exempt from federal regulations based on tank capacity?

Accepted Answer

110 gallons

Answer

UST systems with a capacity of 110 gallons or less are exempt from the federal UST regulations under 40 CFR Part 280.

Question 2

Which EPA regulation specifically governs secondary containment requirements for new UST installations after October 13, 2015?

Accepted Answer

40 CFR Part 280.20

Answer

40 CFR Part 280.20 sets design and construction standards for new UST systems, including secondary containment requirements effective after October 13, 2015.

Question 3

What is the EPA's required response time for owners/operators to begin an investigation after a suspected release is confirmed?

Accepted Answer

24 hours

Answer

Upon confirmation of a release, owners/operators must begin corrective action and notify the implementing agency within 24 hours.

Question 4

A UST system containing a mixture of petroleum and hazardous substances is regulated under which primary federal framework?

Accepted Answer

RCRA Subtitle I only

Answer

UST systems are regulated primarily under RCRA Subtitle I, regardless of whether they contain petroleum, hazardous substances, or a mixture.

Question 5

Under EPA's 2015 UST rule, operators of UST systems must complete Class C operator training within how many days of assuming duties?

Accepted Answer

30 days

Answer

Class C operators must be trained within 30 days of assuming their UST-related duties according to the 2015 federal UST regulation update.

(UST) Underground Storage Tank Certification Practice Test

(UST) Underground Storage Tank Certification Practice Test

UST Regulatory Compliance & EPA Standards 2