New Mexico Common CDL Study 5: all subjects

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Emergency responders need to identify a load’s hazards quickly. Which shipping-paper information is especially useful for finding the relevant Emergency Response Guidebook entry?
Correct answer: The proper shipping name and hazardous-material identification number.
The ERG is indexed using material identification information, including proper shipping names and identification numbers. Accurate papers help responders identify the material.
Source: Iowa DOT-hosted CDL Manual, Hy-Brid October 2023; section text Version July 2017 (older source, not verified as current catalog edition). 9.7.1 Emergency Response Guidebook; printed 9-15, physical PDF page 119; reader lines 9414–9425. ↗
An unknown substance appears to be leaking from hazardous-material cargo. Should you approach and smell it to identify the chemical?
Correct answer: No; use shipment information from a safe position and avoid contact or inhalation.
Do not identify a leak by touching or smelling it. Toxic material can injure you, and smell is not a reliable warning of danger.
Source: Iowa DOT-hosted CDL Manual, Hy-Brid October 2023; section text Version July 2017 (older source, not verified as current catalog edition). 9.7.3 Fires, cargo leaks; printed 9-16, physical PDF page 120; reader lines 9464–9472. ↗
You suspect a hazardous-material cargo fire and the closed trailer doors are hot. What is the appropriate action?
Correct answer: Keep the doors closed, call for emergency help, and warn people away.
Opening doors can feed the fire with oxygen. Hazardous-material fires require specialized training and equipment; keep shipment information available for responders.
Source: Iowa DOT-hosted CDL Manual, Hy-Brid October 2023; section text Version July 2017 (older source, not verified as current catalog edition). 9.7.3 Fires; printed 9-16, physical PDF page 120; reader lines 9445–9463. ↗
Hazardous material is leaking from your stopped vehicle. A truck stop with a telephone is several miles away. Should you continue there to get help?
Correct answer: No; move only as safety requires, keep people away, and summon help without spreading the leak along the road.
The manual warns against continuing a leaking journey merely to find help. Protect yourself, keep others away and upwind, and give emergency responders the shipment information.
Source: Iowa DOT-hosted CDL Manual, Hy-Brid October 2023; section text Version July 2017 (older source, not verified as current catalog edition). 9.7.2 Crashes/Incidents; 9.7.3 Fires, leaking cargo; printed 9-15–9-16, physical PDF page 120 (also page 119); reader lines 9426–9441, 9473–9515. ↗

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Question reference: nm-cdl-shared-hazmat-011

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New Mexico / Common CDL knowledge

New Mexico Common CDL Study 5: all subjects

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