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Applicability determination
  • There are certain criteria that must always be met to trigger notification to the National Response Center (NRC).
  • Other factors are also involved in an applicability determination.

There are five specific conditions that must be met to trigger the CERCLA requirement for notifying the NRC. There must be a:

  • Release
  • Of a hazardous substance
  • That equals or exceeds a reportable quantity
  • From a vessel or facility
  • Within a 24-hour period.

Other factors are also involved in making an applicability determination. These factors involve the petroleum exclusion, the term “into the environment,” and mixtures.