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Dangerous goods are generally industrial raw materials or products, with its special physical and chemical properties, in the contact and treatment process must comply with the corresponding rules, so as to avoid accidents, causing disasters, its transport link is a technical and professional work, the main characteristics are:

1. There are many kinds and different nature

According to the danger of dangerous goods, the dangerous Goods Classification and Name Number (GB6944-2005) divides dangerous goods into 9 categories and a total of 22 items. Each item also contains specific dangerous goods, the "dangerous goods List" (GB12268-2005) has reached 2,763 names. The 2,763 types of dangerous goods and the number of new dangerous goods added every year vary greatly in their physical and chemical properties.

2. It is dangerous

As a special category, dangerous goods have great danger in road transportation, which is easy to cause casualties and property losses. Dangerous goods transportation accidents caused great harm, such as March 29, 2005 occurred on the Beijing-Shanghai expressway liquid chlorine leakage accident, the driver and escort fled after reporting, delayed the emergency evacuation time, resulting in 28 deaths, more than 20,000 mu of land pollution, direct economic losses of 29.01 million yuan. In the nine categories of dangerous goods, each category has its own unique dangers, and has strict requirements for external conditions.

3. There are many relevant rules and regulations on transportation management

Dangerous goods transport is an important part of the whole road cargo transport, in addition to comply with the common rules of road cargo transport, such as the "Road traffic Management Regulations of the People's Republic of China" and "highway traffic management Measures", but also to comply with many special provisions, including:

(1) Relevant United Nations regulations

The Recommendation on the Transport of Dangerous Goods and the Agreement on the International Carriage of Dangerous Goods by Road, etc.

(2) National standards for the transport of dangerous goods by road

"Classification and Name Number of Dangerous Goods" (GB6944-2005), "Name Table of Dangerous Goods" (GB12268-2005), "Packaging mark of Dangerous Goods" (GB190-90), "General Technical Conditions for the transport of Dangerous Goods" (GB12463-90), "Road transport of Dangerous Goods Vehicle" (GB133) 92-2005), "General Technical Conditions for Atmospheric pressure Containers (tanks) of Liquid Dangerous Goods for Automobile Transport" (GB18564-2001), "Classification and Marking of commonly used dangerous Chemicals" (GB13690-92), "Graphic Marking of Packaging Storage and Transportation" (GB191-2000), "Regulations for the Safe Transportation of Radioactive Substances" (GB118) 06-2004) etc.

(3) Road transport of dangerous goods industry standards

Basic Requirements and Performance Tests for the Transport of Dangerous Goods by Road and Waterway (JT0017-88), Rules for the Transport of Dangerous Goods by Motor Vehicle (JT617-2004), Operational Regulations for the Transport of and loading and Unloading of Dangerous Goods by Motor Vehicle (JT618-2004), Safety Management Standards for Motor Transport Enterprises (JT/T3144-91) Technical classification and evaluation Requirements for operating Vehicles (JT/T198-2004), Automotive Electrostatic Rubber towing Zone (JT230-95), Catalogue of highly toxic Chemicals (Announcement No. 2 of 2003), Safety Technical Conditions for transportation vehicles of explosive Materials (KGE Explosion [2001] No. 156), and Technology of oil trucks and refueling trucks Conditions "(QC/T653-2000), etc.