©2004 SafeFreight Consultancy. All rights reserved.
| S | |
| SAC | Standing Advisory Committee (Marine Safety Agency) |
| SADT | Self-accelerating decomposition temperature |
| SAR | Structural Activity Relationship |
| SCHIP | Standing Committee on Hazard Information and Packaging (advises HSE on CHIP and related matters) |
| SDS | Safety Data Sheet |
| SI | Statutory Instrument |
| SITPRO | Simpler Trade Procedures Organisation |
| SOLAS | International Convention for Safety of Life at Sea |
| ST-1 | IAEA Regulations on the Safe Transport of Radioactive Materials, also known as TS-R-1 |
| STEL | Short-Term Exposure Limit |
| T | |
| TC | Transport category |
| TDG | Transport of Dangerous Goods |
| TDGSA Regulations | The Transport of Dangerous Goods (Safety Advisers) Regulations 1999 |
| TI | Transport Index (in relation to the transport of radioactive materials) |
| Transportable Pressure Receptacle | A vessel (not an aerosol) with a volume not exceeding 1000 litres or if seamless not exceeding 5000 litres, used for the carriage of gas. This includes a transportable assembly of receptacles, held together by a manifold with each individual receptacle having a volume of 150 litres or less |
| TREMCARD | Transport Emergency Card |
| TS-R-1 | IAEA Regulations on the Safe Transport of Radioactive Materials, also known as ST-1 |
| TWA | Time Weighted Average |
| U | |
| UEL | Upper Explosive Limit, highest concentration of a flammable liquid vapour and air mixture expressed as a percentage by volume in air, in which an explosion will occur on ignition in a confined area |
| UN | United Nations |
| UN ECE | UN Economic Commission for Europe |
| UN number | A four digit number specified in the Approved Carriage List as a means of identification for dangerous goods, devised by the United Nations |
| UN Recommendations | United Recommendations on the Transport of Dangerous Goods- Model Regulations |
