Practice Test Geeks(TSO) Transportation Security Officer Certification Practice Test
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Explosive Trace Detection (ETD) Procedures Flashcards

7 cards from real TSO practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Explosive Trace Detection (ETD) Procedures flashcards as text

  1. Which environmental condition can negatively impact the accuracy of ETD equipment readings?

    Answer: High humidity and extreme temperatures

    Extreme temperatures and high humidity can affect the chemical analysis process within ETD machines, potentially reducing detection accuracy.

  2. Within TSA's layered security approach, ETD screening is best classified as:

    Answer: A supplemental or resolution screening method used in specific situations

    ETD functions as a supplemental or resolution screening method, used to enhance security or resolve alarms rather than as the standard first-pass screening for all passengers.

  3. In what situation is a TSO most likely required to notify a supervisor regarding ETD results?

    Answer: When a positive alarm cannot be resolved through standard resolution procedures

    Supervisors must be notified when a positive ETD alarm cannot be resolved through standard screening procedures, as additional law enforcement action may be required.

  4. Which statement best describes the role of ETD within TSA's overall security strategy?

    Answer: ETD adds a detection layer by identifying explosive residue that visual or physical searches may miss

    ETD contributes to TSA's layered security strategy by detecting chemical residue of explosive compounds that physical inspection and X-ray imaging cannot reveal.

  5. How should used ETD swabs be disposed of after the screening process?

    Answer: Disposed of according to TSA hazardous material procedures in designated containers

    Used ETD swabs may contain explosive residue and must be disposed of following TSA hazardous material handling procedures in designated containers.

  6. A passenger's ETD sample triggered an alarm and they claim they were recently gardening with fertilizer. The TSO should:

    Answer: Document the stated explanation and complete required resolution screening per SOPs regardless

    A passenger's explanation for an ETD alarm does not substitute for required resolution screening — SOPs must be followed to completion regardless of the stated reason.

  7. When a passenger asks why they were selected for ETD screening, the TSO should respond by:

    Answer: Informing the passenger that ETD is part of standard procedures and selections are random or protocol-based

    TSOs should inform passengers that ETD is part of standard screening procedures and that selections are random or protocol-based, without disclosing specific security-sensitive criteria.