AQS Emergency Response & Preparedness 3

Question 1

Under EPCRA Section 304, facilities must immediately notify the LEPC and SERC when a release of an Extremely Hazardous Substance exceeds its:

Accepted Answer

Reportable Quantity (RQ)

Answer

EPCRA Section 304 requires immediate notification to LEPC and SERC when a release of an EHS exceeds the substance's Reportable Quantity.

Question 2

Which meteorological condition creates the GREATEST potential for a ground-level toxic plume to persist near an emission source during a chemical emergency?

Accepted Answer

Temperature inversion with light winds

Answer

A temperature inversion suppresses vertical mixing, trapping pollutants near ground level, especially when winds are light.

Question 3

An air quality emergency response drill that tests only internal agency procedures without notifying external partners is best classified as a:

Accepted Answer

Tabletop exercise

Answer

A tabletop exercise involves key personnel discussing roles and responses to a scenario without deploying resources or notifying external agencies.

Question 4

Real-time air monitoring during an industrial fire should be positioned relative to the plume in which configuration?

Accepted Answer

Downwind at multiple distances along the plume centerline

Answer

Placing monitors downwind at multiple distances along the centerline captures concentration gradients to define the impact zone.

Question 5

The Protective Action Decision Guide (PADG) recommends evacuation over shelter-in-place when the expected outdoor exposure duration exceeds the indoor protection factor by more than:

Accepted Answer

A factor of 2 to 3 times

Answer

When the toxic load outdoors during evacuation is less than 2–3 times the indoor infiltration dose, evacuation may be preferable to prolonged shelter-in-place.

(AQS) Air Quality Specialist Certification Practice Test

(AQS) Air Quality Specialist Certification Practice Test

AQS Emergency Response & Preparedness 3