Dangerous Goods Transportation Flashcards
7 cards from real CVOR practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Dangerous Goods Transportation flashcards as text
Who bears ultimate responsibility for properly classifying and describing hazardous materials on shipping papers?
Answer: The shipper/offeror who tenders the cargo
Under 49 CFR, the shipper (offeror) is responsible for properly classifying, packaging, marking, labeling, and completing shipping papers before tendering hazmat for transport.
A Safety Data Sheet (SDS) provides commercial vehicle operators with:
Answer: Detailed information about the hazards, safe handling, and emergency response for a substance
An SDS contains comprehensive hazard and safety information including physical properties, health risks, and emergency response procedures for the specific material.
How frequently must hazmat-specific training for commercial drivers be completed and documented under federal regulations?
Answer: Every 3 years, with training records retained by the employer
49 CFR Part 172 requires hazmat employees to receive training every three years, with the employer keeping records for the duration of employment plus 90 days.
If a driver discovers a leaking hazardous materials container during a pre-trip or en-route inspection, the correct action is to:
Answer: Stop the vehicle safely, isolate the area, and contact emergency services
A leaking hazmat container poses immediate risk; drivers must stop, keep people away from the area, and call emergency responders and the National Response Center.
Class 8 hazardous materials include substances that are classified as:
Answer: Corrosive materials
Class 8 covers corrosive substances such as sulfuric acid and sodium hydroxide that can destroy living tissue or damage materials through chemical action.
In the context of transporting dangerous goods, 'compatibility' refers to:
Answer: Whether different hazardous materials can be safely loaded and transported together without reacting
Certain hazardous materials react dangerously when mixed; compatibility rules in 49 CFR prevent incompatible materials from being transported together in the same vehicle.
Under what condition does the transportation of a hazardous material NOT require placarding?
Answer: When the quantity is below the Table 2 threshold of 1,001 lbs aggregate and the material is not a Table 1 substance
Table 2 materials require placarding only when the total gross weight reaches 1,001 lbs (454 kg); Table 1 materials require placarding in any quantity.