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| D | |
| Dangerous Goods |
Articles, substances, mixtures and preparations which are either: 1. Radioactive. 2. Explosive. 3. Have one or more hazardous properties. 4. Found on the Approved Carriage List (other than those goods which have been diluted or treated rendering them no longer hazardous). |
| Demountable tank | A tank that can usually be handled only when empty; has a greater capacity than 450 litres and is designed for the carriage of goods with a load breakage. A demountable tank is not an integral part of the vehicle and is not a tank that is attached to the frame of the vehicle and except when empty is not intended to be removed from the vehicle |
| DEFRA | Department of the Environment, Food and Rural Affairs |
| DfT | Department for Transport (formerly the DTLR) |
| DGAC | Dangerous Goods Advisory Council (formerly HMAC) |
| DGAS | Dangerous Goods Advisory Group (Civil Aviation Authority) |
| DGs | Dangerous goods |
| DGSA | Dangerous Goods Safety Adviser |
| DGSA Directive | Council Directive 96/35/EC on the appointment and vocational qualification of safety advisers for the transport of dangerous goods by road, rail and inland waterway |
| DOC | Dissolved organic carbon |
| DoE | Department of the Environment, now part of DEFRA |
| DoH | Department of Health |
| DOT | Department of Transport |
| DPD | Dangerous Preparations Directive |
| DSEAR | Dangerous Substances and Explosive Atmospheres Regulations |
| DSD | Dangerous Substances Directive (67/548/EEC, as amended) |
| DTR | Road Traffic (Training of Drivers of Vehicles Carrying Dangerous Goods) Regulations 1992 |
| DTR2 | The Carriage of Dangerous Goods by Road (Driver Training) Regulations 1996 |
| E | |
| EAC | Emergency Action Code |
| EC | European Community |
| EC50 | the effective concentration of substance that causes 50% of the maximum response |
| EC Number | reference number used by European Communities to identify dangerous substances, in particular those registered under EINECS |
| ECE | European Commission for Europe |
| ECOSOC | Economic and Social Council of the United Nations |
| EH40 | HSE publication 'Occupational Exposure Limits' updated annually |
| EINECS | European Inventory of Existing Commercial Chemical Substances |
| EmS | Emergency Procedures |
| EPA | Environmental Protection Agency |
| ErC50 | means EC50 in terms of reduction of growth rate |
| EU | European Union |
| F | |
| FP | Flashpoint - temperature at which the vapour forms a combustible mixture with air. At the flash point the application of a naked flame gives a momentary flash rather than sustained combustion. |