Is an ICC certification needed to install an AST? - vV'v'No
Flammability limits of gasoline - vV'v'1.4 to 7.6%
How many days do you have from a tank closure to report/provide the UST checklist to ECY? - v'v/30
days
MTCA Method A lead CUL, soil - v'v/250 mg/kg
MTCA Method A lead CUL, GW - v'V'15 ug/L
Is the vadose zone saturated or unsaturated? - v'v'Unsaturated
List in order of most mobile to least mobile: Bunker C, heating oil, diesel, gasoline - v'v/ Gasoline, diesel,
heating oil, Bunker C
Is oxygenated gasoline more or less likely to dissolve in water? - v'v'More likely; fuel additives like MTBE
are more soluble than gasoline
Where to sample on dispenser? - v V2 feet below where the piping enters the UST
Where to sample along piping? - vV Every 50 linear feet and along joints/elbows
How many GW samples are needed after decommissioning if a release to GW is confirmed, and where
relative to the tank? - v'v/'3; 1 upgradient, 2 downgradient
, What vapor is an FID used to measure? - v'v Methane
What is a PID measuring? - v v Mixture of all volatiles
What conditions might impede a PID? - v v Moisture/humidity, dust, transformers, power lines
What UST capacity does not require a site assessment at closure? - vV Less than 110 gallons
Purpose ofa site check - v'v/To investigate a UST site for the presence of a release when evidence
indicated that a release may have occurred
Purpose of a site assessment - v v/ To investigate a UST site at the time of closure or change-in-service to
determine if a release has occurred
Site check vs. site assessment - v'V'A site check is an investigation of a UST site for a release when
evidence indicates that one many have occurred; a site assessment determines if a release has occurred
If a confirmed release is identified and reported within 24 hours, what is and is not required? - v’V A site
assessment is not required; a site characterization is required
What is the historical date before which a UST system may have been permanently closed or abandoned
that ECY may require a site assessment? - v'v/ December 22, 1988
When should a site safety plan be developed? - v/ Priorto conducting the UST site assessment
What is included under "Level D" PPE? - v/ V'Steel toe boots, cotton coveralls, hardhat, eye protection
Is respiratory protection included under "Level D" PPE? - vVv'No