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Hazardous Materials Glossary (continued)

Hazardous Waste

For the purposes of this chapter, is any material subject to the Hazardous Waste Manifest Requirements of the U.S. EPA specified in 40 CFR Part 262.

Limited quantity

When specified as such in a section applicable to a particular material, is the maximum amount of a hazardous materials for which there may be specific labeling or packaging exception.


The descriptive name, identification number, instructions, cautions, weight, specification or UN marks, or combinations thereof, required by this subchapter on outer packaging of hazardous materials.


A material composed of more than one chemical compound or element.

Name of contents

The proper shipping name as specified in Sec. 172.101.

P.S.I. or psi

Pounds per square inch.

P.S.I.A. or psia

Pounds per square inch absolute.

Reportable Quantity (RQ)

The quantity specified in Column 3 of the Appendix to Sec. 172.101 for any material identified in Column 1 of the Appendix.


Pipeline and Hazardous Materials Safety Administration, U.S. Department of Transportation, Washington, D.C. 20590.

Shipperʼs Certification

A statement on a shipping paper, signed by the shipper , saying he/she prepared the shipment properly according to law.

“This is to certify that the above named materials are properly classified, described, packaged, marked and labeled, and are in proper condition for transportation according to the applicable regulations or the Department of Transportation.”

“I hereby declare that the contents of this consignment are fully and accurately described above the proper shipping name and are classified, packed, marked and labeled, and are in all respects in proper condition for transport according to applicable international and national government regulations.”

  • words may be inserted here to indicate mode of transportation (rail, aircraft, motor vehicle, vessel)

Shipping Paper

A shipping order, bill of lading, manifest or other shipping document serving a similar purpose and containing the information required by Sec. 172.202, 172.203, and 172.204.

Technical Name

A recognized chemical name or microbiological name currently used in scientific and technical handbooks, journals and texts.

Transport Vehicle

A cargo-carrying vehicle, such as an automobile, van, tractor, truck, semi-trailer, tank car or rail car, used for the transportation of cargo by any mode. Each cargo-carrying body (trailer, rail car, etc.) is a separate transport vehicle.

UN Standard Packaging

A specification packaging conforming to the requirements in Subpart L and M of Part 178.


United Nations


Commercial Driver's License (CDL)

A CDL is required to drive any of the following vehicles:

  • Any combination of vehicles with a gross combined weight rating (GCWR) of 26,001 or more pounds, providing the gross vehicle weight rating (GVWR) of the vehicle being towed is in excess of 10,000 pounds.
  • Any single vehicle with a GVWR of 26,001 or more pounds, or any such vehicle towing another not in excess of 10,000 pounds.
  • Any vehicle, regardless of size, designed to transport 16 or more persons, including the driver.
  • Any vehicle required by federal regulations to be placarded while transporting hazardous materials.


Bill of Lading

An accurate record of everything being shipped on a truck, often times used as a checklist during unloading.


The customer who is shipping the freight. This is where the driver will pick up a load and then deliver it to the receiver or consignee.


Dispatcher, Fleet Manager, Driver Manager

The primary person a driver communicates with at his/her company. A dispatcher can play many roles, depending on the company's structure. Dispatchers may assign freight, file requests for home time, relay messages between the driver and management, inform customer service of any delays, change appointment times, and report information to the load planners.

Review Questions - Click On The Picture To Begin...

What is a Shipper's Certification?
  • A statement on a shipping paper, signed by the shipper, saying he/she prepared the shipment properly according to law
  • A statement in the shipping packet which the receiver signs, saying the product has been received and in good condition
  • A statement in the hazardous materials manifest, signed by the driver, saying he/she has inspected the shipment properly according to law
  • None of these answers are correct

Quote From The CDL Manual:

Shipper's Certification:

A statement on a shipping paper, signed by the shipper, saying he/she prepared the shipment properly according to law.

What does P.S.I. stand for?
  • Pressure per Square Inch
  • Pressure Source Indication
  • Pulling Style Indicator
  • Pounds per square inch

Quote From The CDL Manual:

P.S.I. or psi:

Pounds per square inch.

Please select an option

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