UST Emergency Response & Spill Containment 2

Question 1

Under EPA regulations, what is the maximum volume of a spill that can occur before the owner/operator must report it to the implementing agency?

Accepted Answer

Less than 25 gallons

Answer

Spills of less than 25 gallons that are immediately contained and cleaned up do not require reporting to the implementing agency.

Question 2

When a release is confirmed from a UST system, which action must be taken FIRST according to EPA 40 CFR Part 280?

Accepted Answer

Take immediate action to stop, contain, and mitigate the release

Answer

Owners/operators must immediately act to stop, contain, and mitigate the effects of the release before proceeding with notification and assessment steps.

Question 3

Which type of absorbent material is PROHIBITED for use in cleaning up a petroleum spill near a storm drain?

Accepted Answer

Sand or kitty litter that will be washed into the drain

Answer

Sweeping contaminated absorbent material into a storm drain creates a secondary release and violates clean water regulations.

Question 4

A UST operator discovers product in a monitoring well. What does this finding indicate?

Accepted Answer

A release has likely occurred from the UST system

Answer

Product found in a monitoring well is a confirmed indicator of a release from the UST system requiring immediate corrective action.

Question 5

Which agency must be notified if a spill results in a sheen on a nearby surface water body?

Accepted Answer

The National Response Center (NRC) under CERCLA

Answer

Any discharge causing a sheen on navigable waters must be reported to the National Response Center at 1-800-424-8802 under CERCLA and the Clean Water Act.

(UST) Underground Storage Tank Certification Practice Test

(UST) Underground Storage Tank Certification Practice Test

UST Emergency Response & Spill Containment 2