©2004 SafeFreight Consultancy. All rights reserved.

| P | |
| Package | The complete product of the packing operation, consisting of the packagings and the dangerous goods contents prepared for transport (not including a tank or an overpack). A package is liable to be individually handled during the course of the carriage |
| Packagings | The receptacle as well as wrappings, components, materials associated with the receptacle which enables it to perform the function of containment (including a transportable pressure receptacle). Packagings do not constitute skips, containers, pallets, vehicles or other equipment for carriage |
| PCBs | Polychlorinated biphenyls |
| PEC | The Packaging of Explosives for Carriage Regulations 1991 |
| PG | Packing Group |
| pH | Measure of acidity/ alkalinity |
| PIRA | Formerly the Research Association for Paper, Printing, Packaging and Board Industries, now a commercial organisation known as PIRA International |
| PPE | Personal Protective Equipment |
| ppm | Parts per million |
| PSN | Proper shipping name |
| Pyrophoric | liable of igniting within 5 minutes after coming into contact with air |
| Q | |
| R | |
| RAMRail | The Packaging, Labelling and Carriage of Radioactive Material by Rail Regulations 1996 |
| RAMRoad | The Radioactive Material (Road Transport) (Great Britain) Regulations 1996 |
| REACH | Registration, Evaluation and Authorisation of Chemicals |
| Receptacle | A vessel including fasteners or closures or the layer of packaging that comes into direct contact with the dangerous goods |
| Repro-toxic | Toxic for reproduction |
| RHA | Road Haulage Association |
| RID | The Regulations concerning the International Carriage of Dangerous Goods by Rail |
| RID Framework | Directive Council Directive 96/49/EC on the approximation of the laws of Member States with regard to the transport of Dangerous goods by rail |
| RIDDOR | The Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 1995 |
| RMTD | Radioactive Materials Transport Division of the DTLR |
| RPE | Respiratory Protective Equipment |