Texas CDL Hazmat flashcards
Texas CDL Hazmat · Build recall with a focused review session.
32 cards. Read the term and the definition here. The deck at the top of this page is optional.
- Hazmat Employee Definition
- A person who directly affects hazardous materials transportation safety, including loading, unloading, handling, or operating a vehicle carrying hazmat, and who must be trained.
- Proper Shipping Name
- The name of the hazardous material shown in the Hazardous Materials Table that must be used on shipping papers, markings, and package documentation.
- Packing Group
- A grouping of hazardous materials by degree of danger: I great danger, II moderate danger, III minor danger, used to select packaging and shipping paper entries.
- Shipping Paper Basic Description
- The required sequence on a shipping paper: proper shipping name, hazard class or division, UN/NA identification number, and packing group.
- Emergency Response Phone Number
- A number on the shipping paper that must be monitored at all times the material is in transport and that responders can call for information.
- Placard Threshold
- Placards are required when 1,001 pounds or more aggregate gross weight of a Table 2 class is loaded; Table 1 materials need placards in any quantity.
- DANGER Placard Use
- A placard for two or more Table 2 hazard classes at 1,001 pounds or more combined; not allowed for Table 1 materials or 1.1-1.3 explosives.
- Bulk Package Threshold
- A package with more than 119 gallons liquid capacity, more than 882 pounds solid capacity, or more than 1,000 pounds water capacity for a gas.
- Cargo Tank Outage
- Ullage space left in a liquid cargo tank during loading to allow for expansion and prevent overflow as temperature rises.
- Cargo Tank Marking
- Cargo tanks must show the proper shipping name and UN/NA number on both sides and the rear of the tank.
- Incompatible Loading Rule
- Cyanides and acids must not be loaded together because contact produces lethal hydrogen cyanide gas; other incompatible pairs are similarly segregated.
- Secure Against Shifting
- Blocking and bracing must prevent packages from moving during transport so containers cannot puncture, break, or spill.
- Attended Vehicle Rule
- A loaded hazmat vehicle is attended when the driver is within view and able to move it; otherwise it is unattended and a security risk.
- Smoking Distance Rule
- No smoking or lit smoking device within 25 feet of a vehicle carrying Class 3 flammable liquids or Class 2.1 flammable gases.
- Parking Distance From Roadway
- A hazmat vehicle parked for any reason must be at least 5 feet from the traveled portion of the roadway.
- Explosives Parking Restriction
- Do not park within 300 feet of a bridge, tunnel, dwelling, or place of public assembly when carrying explosives.
- Emergency Response Guidebook Use
- Identify the material by UN/NA number, find the guide number, and follow initial isolation and protective action distances before approaching.
- National Response Center
- The federal center to notify at 1-800-424-8802 when a reportable quantity of a hazardous substance is released.
- Upwind and Uphill Rule
- At a hazmat incident, approach from upwind and uphill and stay clear of leaking or burning material until responders arrive.
- H Endorsement Requirement
- Required to drive a vehicle carrying placarded amounts of hazardous materials; obtained by knowledge test and TSA assessment.
- Security Threat Assessment
- A TSA check including fingerprinting, criminal history, immigration status, and watch-list review required for the hazmat endorsement, valid five years.
- H Endorsement Renewal
- The hazmat endorsement security threat assessment expires after five years and a new assessment must be completed before renewal.
- Class 8 Corrosive Hazard
- Corrosives destroy skin and metal; keep them separated from other cargo and inspect containers for leaks before and during transport.
- Poisonous by Inhalation
- A material toxic when inhaled that requires special routing, emergency response information, and heightened security during transport.
- Class 5.1 Oxidizer Hazard
- Oxidizers can intensify fire and react violently with organic materials, so they are segregated from flammable and combustible cargo.
- Tunnel Hazmat Restriction
- Tunnels may prohibit placarded vehicles; check signs before entering and use an alternate route when prohibited.
- Railroad Crossing Stop
- Stop at a railroad crossing when required by vehicle type or local law; look and listen before crossing and never stop on the tracks.
- Hazmat Route Restriction
- State and local rules may designate hazmat routes and restrict certain roads, tunnels, or bridges; plan and verify the route before driving.
- Hazmat Training Interval
- Hazmat employee training must be repeated at least every three years, and records of that training must be kept.
- Incident Reporting Deadline
- Carriers must report certain hazmat incidents, such as reportable quantity releases or fires, to DOT within 30 days on the incident report form.
- Shipping Paper Retention
- Shipping papers must be kept for the required retention period and made available to inspectors on request.
- Pre-Trip Hazmat Inspection
- Before driving, check shipping papers, placards, labels, markings, package condition, and that the emergency phone number is current.