Section II. Terms and Definitions
Acid - One of a large class of chemical substances whose water solutions have one or more of the
following properties; sour taste, ability to make blue litmus paper turn red and to cause other indicator
dyes to change characteristic colors, ability to react with and dissolve certain metals to form salts and
ability to react with bases or alkalis to form salts. All acids contain hydrogen and in water, ionization or
splitting of the molecule occurs so that hydrogen ions are formed. The pH of these solutions is less than
ADN - The European provision concerning the international carriage of dangerous goods by inland
ADNR - The regulations for the carriage of dangerous goods on the Rhine River.
ADR - The European agreement concerning the international carriage of dangerous goods by road.
Alkali - Any substance that in water solution is bitter, more or less irritating or caustic to the skin and
mucous membranes; turns red litmus paper blue, and has a pH value greater than 7.0.
Atmospheric Pressure - Atmospheric Pressure is 101.3 kPa (14.7 psi).
Bag - A flexible packaging made of paper, plastic film textiles, woven material or other similar materials.
Bottle - An inner packaging having a neck of relatively smaller cross section than the body and an
opening capable of holding a closure for retention of the contents.
Box - A packaging with complete rectangular or polygonal faces made of metal, wood, plywood,
reconstituted wood, fiberboard, plastic, or other suitable material.
Bulk Packaging - A packaging, with no intermediate form of containment, that has a maximum capacity
greater than 400 kg (882 lb.) or 450 L (119 gallons).
CAGE - Commercial and Government Entity. The five-position code assigned to any contractor who
does business with the Government.
Certificate of Equivalency (COE) - Approval that the proposed packaging for shipment of hazardous
materials either equals or exceeds the requirements of Title 49 CFR.
Closed Transport Vehicle - A transport vehicle equipped with an attached exterior enclosure that
restricts the access of unauthorized persons to the cargo space containing the radioactive materials during
normal transport. The enclosure may be either temporary or permanent. In the case of packaged
materials, the enclosure may be of the "see-through" type and must limit access from top, sides, and ends.