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Class A/B Operator For Underground
Storage Tank 2026| Certified
Questions And Answers
What actions are not appropriate when when the owner/operator becomes
aware of a spill or overfill? - correct-answer - Drain the spill to the storm sewer or
nearby ditch
Upon confirmation of a release to the soil/groundwater/surface water the
operator shall: - correct-answer - Report the release to the DEQ within 24 hours,
by fax or phone
A Class B operator shall not be responsible for more than the following facilities: -
correct-answer - 45 facilities
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What is the minimum frequency of site inspections to assure operational
compliance? - correct-answer - Quarterly
If a facility has been determined by the DEQ inspector to be out of compliance
with the significant operational compliance requirements, the DEQ shall retrain: -
correct-answer - The class A operator of the facility
When planning to permanently close a UST system, the DEQ must be notified not
less than: - correct-answer - 30 days
Upon permanent Removal of an UST system, the operator shall: - correct-answer
- Notify the DEQ within 30 days with an amended registration form
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The operator shall notify the DEQ of a confirmed release upon removal of an UST
and visual evidence showing: - correct-answer - Either there is visibly
contaminated groundwater in the tank cavity or there is visibly contaminated soil
in the tank cavity and/or soil removed from the tank cavity
Upon removal of an UST where there is no visual or olfactoryevidence of a release
, the operator shall: - correct-answer - Take soil samples, analyze them, and then
send the site assessment results to the DEQ for a determination
A leak should be suspected in 1,560 gallon tank if the variation between the
beginning and ending manual tank gauging liquid level measurements exceeds
the weekly standard of X gallons. X is: - correct-answer - 26 gallons
The class B operator should inspect the UST system for operational compliance
status at a minimum: - correct-answer - Every quarter
Class A/B Operator For Underground
Storage Tank 2026| Certified
Questions And Answers
What actions are not appropriate when when the owner/operator becomes
aware of a spill or overfill? - correct-answer - Drain the spill to the storm sewer or
nearby ditch
Upon confirmation of a release to the soil/groundwater/surface water the
operator shall: - correct-answer - Report the release to the DEQ within 24 hours,
by fax or phone
A Class B operator shall not be responsible for more than the following facilities: -
correct-answer - 45 facilities
,2|Page
What is the minimum frequency of site inspections to assure operational
compliance? - correct-answer - Quarterly
If a facility has been determined by the DEQ inspector to be out of compliance
with the significant operational compliance requirements, the DEQ shall retrain: -
correct-answer - The class A operator of the facility
When planning to permanently close a UST system, the DEQ must be notified not
less than: - correct-answer - 30 days
Upon permanent Removal of an UST system, the operator shall: - correct-answer
- Notify the DEQ within 30 days with an amended registration form
, 3|Page
The operator shall notify the DEQ of a confirmed release upon removal of an UST
and visual evidence showing: - correct-answer - Either there is visibly
contaminated groundwater in the tank cavity or there is visibly contaminated soil
in the tank cavity and/or soil removed from the tank cavity
Upon removal of an UST where there is no visual or olfactoryevidence of a release
, the operator shall: - correct-answer - Take soil samples, analyze them, and then
send the site assessment results to the DEQ for a determination
A leak should be suspected in 1,560 gallon tank if the variation between the
beginning and ending manual tank gauging liquid level measurements exceeds
the weekly standard of X gallons. X is: - correct-answer - 26 gallons
The class B operator should inspect the UST system for operational compliance
status at a minimum: - correct-answer - Every quarter