A truck's correctly displayed hazardous-material placards give an approaching responder what kind of information?
Correct answer: The general type of hazard associated with the cargo
Placards communicate cargo hazards to people outside the vehicle. They do not establish the quantity remaining or guarantee that a shipment is harmless.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-2, physical 105 > 9.1.2 Communicate the Risk; 9.3.3 Placards on physical 107 ↗
A shipping description assigns a material to a hazard class. What does that classification describe?
Correct answer: The kind of hazard associated with the material
A hazard class identifies the type of danger associated with a material. Package count and delivery order describe other aspects of a shipment.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-3, physical 106 > 9.3.1 Definitions > Hazard class ↗
A driver remembers a placarding rule from an old study sheet but is unsure whether it still applies to a planned shipment. What is the sound next step?
Correct answer: Check the current regulations for the actual shipment
The New Jersey manual itself warns that hazardous-material regulations change. Current applicable rules must guide the shipment rather than an unverified memory or an old example.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-1, physical 104 > Section 9 introduction > Need for up-to-date regulations ↗
A hazmat employee is being assigned a new regulated job function. What should function-specific training address?
Correct answer: Requirements applicable to the tasks the employee will perform
Function-specific training concerns the requirements for the employee's actual duties. General hazard recognition or possession of a driving credential does not by itself cover every specialized function.
Source: 49 CFR 172.704(a)(2)(i), Function-specific training; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 104, printed 9-1, discusses additional job training. ↗
Which subject belongs in a hazmat employee's security-awareness training?
Correct answer: Recognizing and responding to possible security threats
Security-awareness training includes transportation security risks and recognizing and responding to possible threats. It does not erase hazard-communication duties or make every employer's security arrangements identical.
Source: 49 CFR 172.704(a)(4), Security awareness training; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 104, printed 9-1. ↗
After a hazardous-material crash, the driver may be unable to explain the load. Why is rapid access to the shipping information important?
Correct answer: It helps responders identify the materials being carried
Shipping information can communicate the cargo hazards even when the driver cannot. Knowing the materials helps responders assess the incident and choose an appropriate response.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-3, physical 106 > 9.3.1 Definitions > Shipping papers and emergency access ↗
Before accepting a hazardous-material shipment, a driver notices that the package's marked shipping name disagrees with the shipping paper. What should happen?
Correct answer: Have the discrepancy resolved with the shipper and carrier
The manual directs drivers to compare shipping papers with package markings and labels and to obtain help when the material is unfamiliar. Conflicting descriptions need resolution, not a guess based on appearance.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-8, physical 111 > 9.3.7 Package Markings and Labels ↗
An emergency responder finds a UN or NA identification number in a hazardous-material shipping description. What does it help the responder identify?
Correct answer: The hazardous material or material entry
The material identification number supports identification and emergency-reference lookup. It is not a truck unit number or billing reference, and one entry can cover more than a single chemical.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-4, physical 107 > 9.3.3 Lists of Regulated Products > Identification numbers ↗
A package correctly carries both a primary and a subsidiary hazard label. What should the driver understand?
Correct answer: The material presents more than one relevant hazard
A subsidiary hazard label communicates an additional hazard of the material. Correct primary and subsidiary labels can apply together; the second label is not merely spare labeling.
Source: 49 CFR 172.402(a), Subsidiary hazard labels; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 108, printed 9-5, Column 6. ↗
A required placard is properly attached, but a tarpaulin hangs over it. What needs correction before the vehicle travels?
Correct answer: The placard must be clear of the obstruction
Placard display rules require clearance from devices and attachments such as tarpaulins. Secure attachment alone does not make an obscured warning effective.
Source: 49 CFR 172.516(c)(2), Placards clear of appurtenances and devices; current text viewed 2026-09-13. NJ CDL Manual physical 112, printed 9-9. ↗
Besides identifying the product, which information belongs in the required emergency-response information for a hazardous material?
Correct answer: Immediate health hazards and fire or explosion risks
Emergency-response information addresses the material's hazards and immediate response needs. Delivery arrangements and charges do not supply the hazard information responders need.
Source: 49 CFR 172.602(a)(2)-(3), Information required; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
The emergency-response document in a vehicle describes a different product from the hazardous material being carried. What is the problem?
Correct answer: The response information must correspond to the actual cargo
Required emergency-response information concerns the hazardous material being transported, including its description and hazards. Information for another product can lead to an inappropriate response.
Source: 49 CFR 172.602(a)(1) and (b), Information for the hazardous material; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
A carrier uses a separate emergency-response guide to provide required information. What connection must be clear to the user?
Correct answer: How the shipping description relates to the guide's information
A separate response document must be connected to the material's shipping description so the appropriate information can be found. Merely having an unrelated guide aboard does not establish that connection.
Source: 49 CFR 172.602(b)(3)(iii), Separate document cross-referenced to shipping description; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
Why must required emergency-response information be available for use away from the package containing hazardous material?
Correct answer: It must be usable without having to remain beside the package
The rule requires the information to be available away from the package. That allows its use without relying on access to the material's immediate location during an incident.
Source: 49 CFR 172.602(b)(2), Available for use away from the package; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
A carrier has the required response information at its distant office, but the driver cannot obtain it immediately from the vehicle. What requirement is not met?
Correct answer: It must be immediately accessible to the driver for an incident
The carrier must maintain emergency-response information so the vehicle's driver can access it immediately for a hazardous-material incident. An inaccessible office copy alone does not provide that access.
Source: 49 CFR 172.602(c)(1), Maintenance and immediate accessibility to drivers; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
A shipment is subject to the emergency-response telephone-number requirement and remains in transportation during an overnight stop. When must that number be monitored?
Correct answer: Throughout transportation, including incidental storage
For a shipment subject to this requirement, monitoring continues whenever the material is in transportation, including storage incidental to transportation. Vehicle movement and office hours do not define the entire period.
Source: 49 CFR 172.604(a)(1), Monitoring including storage incidental to transportation; exceptions in (d) acknowledged by the prompt. Current eCFR displayed through 2026-09-10, reviewed 2026-09-13. ↗
For a shipment subject to the emergency-number rule, the listed number reaches a service that only promises a later callback. Why is that inadequate?
Correct answer: The caller needs immediate access to knowledgeable assistance
The required number must reach someone knowledgeable about the material and response information, or someone with immediate access to such a person. A callback-only arrangement does not satisfy that requirement.
Source: 49 CFR 172.604(a)(2), Knowledgeable person or immediate access; callback services insufficient. Current eCFR displayed through 2026-09-10, reviewed 2026-09-13. ↗
A shipping paper has several numbers for billing, delivery scheduling, and hazardous-material emergencies. How should the required emergency-response number appear?
Correct answer: Prominently identified so it can be found quickly
The required emergency-response telephone number must be readily identifiable. A responder should not have to infer which of several business telephone numbers supplies emergency information.
Source: 49 CFR 172.604(a)(3)(ii), Prominent and readily identifiable emergency-response number; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
What is the primary purpose PHMSA gives the 2024 Emergency Response Guidebook?
Correct answer: Assisting first responders during the initial phase of an incident
The ERG supports first responders during the initial phase of a transportation incident involving dangerous goods. It is not a training credential or a certificate of shipment compliance.
Source: PHMSA, Emergency Response Guidebook (ERG), Quickly Identify Hazardous Materials Emergency Procedures; page updated August 26, 2026, reviewed September 13, 2026. NJ CDL Manual physical 119, printed 9-16, 9.7.1. ↗
Which pair from the shipping information helps emergency personnel find the material in the Emergency Response Guidebook?
Correct answer: The proper shipping name and material identification number
The manual explains that the ERG is indexed by proper shipping name and hazardous-material identification number. Correct cargo identification therefore matters to the response lookup.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-16, physical 119 > 9.7.1 Emergency Response Guidebook (ERG) ↗
A suspected hazardous-material release has little noticeable odor. What can the driver safely conclude from that alone?
Correct answer: The absence of a strong odor does not establish safety
The manual warns against identifying a leak or judging danger by smell. Harmful gases may lack a detectable odor or affect a person's sense of smell.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-16, physical 119 > 9.7.3 Fires > Cargo leak and smell warning ↗
A driver sees unfamiliar liquid leaking from a hazardous-material package. What should the driver avoid doing to identify it?
Correct answer: Touching the liquid to examine it
The manual warns against touching leaking hazardous material. The driver can communicate uncertainty and use information already available without making direct contact with the release.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-16, physical 119 > 9.7.3 Fires > Do not touch leaking material ↗
Hazardous cargo is involved in a fire. A driver has ordinary driving training and a vehicle extinguisher but no hazmat firefighting training or protective equipment. What is appropriate?
Correct answer: Call for help and keep away from the hazardous cargo fire
Hazardous-material firefighting requires specialized training and protective equipment. The driver described should call for help and keep clear rather than treat ordinary vehicle equipment as sufficient.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-16, physical 119 > 9.7.3 Fires ↗
When reporting a hazardous-material incident on a highway, which location information best helps responders find the scene?
Correct answer: The exact incident location and direction of travel
The manual calls for the exact location and direction of travel when requesting help. A delivery address or terminal location may be far from the incident.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-17, physical 120 > 9.7.3 continuation > Information to give when sending for help ↗
A shipment subject to the emergency-number rule uses an outside response-information provider. What identifies the person registered with that provider on the shipping paper?
Correct answer: The registered person's name or provider-assigned identifier
The shipping paper must identify the person registered with the outside provider by name, contract number, or another identifier that provider assigned. An unrelated shipment reference does not supply that relationship.
Source: 49 CFR 172.604(b)(2), Identification of the person registered with the ERI provider; current eCFR displayed through 2026-09-10, reviewed 2026-09-13. NJ CDL Manual physical 110, printed 9-7. ↗
People are gathering near a hazardous-material incident. Which general direction should the driver's warning emphasize?
Correct answer: Stay away from the scene and upwind
The manual directs drivers to keep people well away and upwind. This is a general exposure-avoidance principle, not a substitute for responder-established isolation distances or instructions.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-16, physical 119 > 9.7.2 Crashes/Incidents ↗
Which function does the National Response Center serve in hazardous-material incidents?
Correct answer: Receiving incident reports to support the response
The National Response Center receives reports of hazardous-material releases and supports response coordination. Identifying its reporting role does not replace obtaining local emergency assistance or determine a shipment's legal reporting threshold.
Source: New Jersey CDL Manual, March 2025 cover; Section 9, July 2017 footer, printed 9-18, physical 121 > 9.7.5 Required Notification > National Response Center ↗
