ANSWER RATED A+ 2024
owners/ operators must notify the state implementing agency ___ days prior to a permanent closure
- -30 day notice and 24 hour verbal notice prior to breaking concrete
federal regulations do not require a notice on temporary closure but ______ - -state
implementing agency's do require notice for temporary closure
when taking icc decommissioning exam there is no notice for a ust temporary closure. - -
the following must be reported within 24 hours - -A spill of petroleum that exceeds 25
gallons.
A spill of 25 gallons or less that is not contained or cleaned up within 24 hours
upon confirmation of a release during removal activities owners/ operators/ removal contractors
must? - -within 20 days submit a report to the state implementing agency summarizing initial
abatement steps and results.
owners/ operators must keep tank closure letters for a minimum of? _______ - -3 years
the flash point of diesel is? - -126-205 F
the flash point for pure ethanol - -61.88 F
Class IB flashpoint less then 73 F boiling point greater then 100 F. examples... - -motor and
aviation, gasoline, toluene and lacquers
Class II flash point equal to or greater then 100 F but less then 140 F. examples - -diesel fuel,
paint thinner
, what is the flashpoint for flammable liquids? - -less then 100 degrees Fahrenheit
a flammable liquid does not exceed? - -100 degrees Fahrenheit
a combustible liquid is - -100 degrees Fahrenheit or more
what is the definition of flashpoint? - -the temperature at which fuel gives off sufficient
vapors to ignite
flammable and combustible liquid themselves do not burn. it's the mixture of? - -vapors and
air that burns if ignited
flammable liquids can give off enough vapors to form burnable mixtures with air. Example... -
-Gasoline
combustible liquids .ust reach temperatures higher then 100 degrees Fahrenheit to release enough
vapors or fumes to ignite. Example... - -Diesel
inerting a tank is? - -Removing the oxygen.
purging a tank is? - -removing the fuel.
when purging a tank a combustible gas meter (CGI) must be used to measure the presence of
what? - -combustible gas or solvent vapor
LEL stands for? - -Lower explosive limit
do not begin tank removal until? - -the LEL reading is below 10%