Alabama CDL HazMat flashcards

32 cards. Read the term and the definition here. The deck at the top of this page is optional.

Hazardous material definition

A substance or material the Secretary of Transportation determines is capable of posing an unreasonable risk to health, safety, and property when transported in commerce.

HazMat training interval

HazMat employees must receive recurrent training at least every three years, covering general awareness, function-specific duties, safety, and security awareness.

Four communication elements

Shipping papers, package marking, package labeling, and vehicle placarding are the four required means of communicating hazardous materials information during transport.

Shipping paper retention

Shipping papers must be retained for two years, while hazardous waste manifests must be retained for three years by the carrier.

Basic description order

Proper shipping name, hazard class or division, UN/NA identification number, and packing group, in that order, on the shipping paper.

Emergency response phone number

Every hazardous materials shipping paper must include an emergency response telephone number that is monitored at all times the material is in transport.

Shipping paper location

While driving, shipping papers must be within the driver's reach, visible to anyone entering the cab, and kept on top of other papers.

HazMat entries distinguished

On a shipping paper covering both hazardous and non-hazardous materials, hazardous entries must be marked, such as with an X or the word HazMat.

Label versus placard size

A hazard label is a 4-inch square diamond placed on packages, while a placard is a 10 3/4-inch square diamond placed on vehicles.

1001-pound placard rule

Placards are required when 1,001 pounds or more aggregate gross weight of a Table 2 hazard class is loaded in one vehicle.

Table 1 placarding

Table 1 materials require placards regardless of quantity, while Table 2 materials require placards only at 1,001 pounds or more.

DANGEROUS placard use

The DANGEROUS placard may be used for two or more Table 2 categories totaling 1,001 pounds or more when no single category reaches that amount.

Placard placement

Placards must be displayed on both sides and both ends of the vehicle, and removed or turned when the material is unloaded.

Cyanide and acid rule

Cyanides and acids must never be loaded together because an acid spill on cyanide can release deadly hydrogen cyanide gas.

Poison and food rule

Poisonous materials must not be loaded in the same vehicle with or near foodstuffs or animal feed.

Loading inspection

Before loading, check packages for leaks, damage, and proper labels and markings, and refuse any damaged or improperly marked package.

Bulk package thresholds

A bulk package holds more than 119 gallons of liquid, more than 882 pounds of solid, or more than 1,001 pounds water capacity of gas.

Cargo tank valves

Cargo tanks must have internal or external valves that close automatically in case of fire, plus required placards and UN/NA numbers.

Tank vehicle placarding

Tank vehicles require at least one placard on each side and each end, plus the UN/NA identification number displayed on the vehicle.

Parking near flames

Never park a placarded vehicle within 300 feet of an open flame, and never within 5 feet of a roadway.

Smoking distance

Do not smoke or allow smoking within 25 feet of a placarded vehicle carrying hazardous materials.

Railroad crossing stop

Stop before railroad crossings, check both directions, and do not shift gears while crossing the tracks with a placarded load.

Attended vehicle rule

A placarded vehicle must be attended while parked, or if unattended, secured with the parking brake set and wheels chocked.

National Response Center

Spills, leaks, fires, or accidents involving hazardous materials must be reported immediately to the National Response Center at 1-800-424-8802.

Emergency Response Guidebook

The ERG is used to identify a material by UN/NA number or name, then follow the guide number's isolation, protective clothing, and response actions.

Incident approach direction

Approach a hazardous materials incident from upwind and uphill, call for help from a safe distance, and keep people away.

Class 1 divisions

Class 1 explosives are divided into divisions 1.1 through 1.6 based on mass explosion hazard, projection hazard, and sensitivity.

Class 2 divisions

Class 2 gases are divided into 2.1 flammable gas, 2.2 nonflammable and non-toxic gas, and 2.3 toxic gas.

Packing group meanings

Packing Group I indicates great danger, Packing Group II moderate danger, and Packing Group III minor danger within a hazard class.

Corrosive class

Class 8 covers corrosive materials that cause visible destruction or irreversible damage to skin or to metal surfaces.

Safe haven definition

A safe haven is a pre-identified secure location where a driver can stop when concerned about security or personal safety.

Suspicious activity reporting

Report suspicious behavior, tampering, or unusual inquiries about a hazardous load to the carrier and local authorities; do not confront anyone.