Monitoring Dangerous Goods in Container Yard Using the Internet of Things

Table 1

General segregation requirements for hazardous materials.

Class	1.1, 1.2, 1.5	1.3, 1.6	1.4	2.1	2.2	2.3	3	4.1	4.2	4.3	5.1	5.2	6.1	6.2	7	8	9
Explosives 1.1, 1.2, 1.5				4	2	2	4	4	4	4	4	4	2	4	2	4	⨉
Explosives 1.3, 1.6				4	2	2	4	3	3	4	4	4	2	4	2	4	⨉
Explosives 1.4				2	1	1	2	2	2	2	2	2	⨉	4	2	2	⨉
Flammable gases 2.1	4	4	2	⨉	⨉	⨉	2	1	2	⨉	2	2	⨉	4	2	1	⨉
Nontoxic, nonflammable gases 2.2	2	2	1	⨉	⨉	⨉	1	⨉	1	⨉	⨉	1	⨉	2	1	⨉	⨉
Poisonous gases 2.3	2	2	1	⨉	⨉	⨉	2	⨉	2	⨉	⨉	2	⨉	2	1	⨉	⨉
Flammable liquids 3	4	4	2	2	1	2	⨉	⨉	2	1	2	2	⨉	3	2	⨉	⨉
Flammable solids 4.1	4	3	2	1	⨉	⨉	⨉	⨉	1	⨉	1	2	⨉	3	2	1	⨉
Spontaneously combustible substances 4.2	4	4	3	2	2	1	2	2	1	⨉	1	2	2	1	3	2	1
Substances which are dangerous when wet 4.3	4	4	2	⨉	⨉	⨉	1	⨉	1	⨉	2	2	⨉	2	2	1	⨉
Oxidizing substances 5.1	4	4	2	2	⨉	⨉	2	1	2	2	⨉	2	1	3	1	2	⨉
Organic peroxides 5.2	4	4	2	2	1	2	2	2	2	2	2	⨉	1	3	2	2	⨉
Poisons 6.1	2	2	⨉	⨉	⨉	⨉	⨉	⨉	1	⨉	1	1	⨉	1	⨉	⨉	⨉
Infectious substances 6.2	4	4	4	4	2	2	3	3	3	2	3	3	1	⨉	3	3	⨉
Radioactive materials 7	2	2	2	2	1	1	2	2	2	2	1	2	⨉	3	⨉	2	⨉
Corrosives 8	4	2	2	1	⨉	⨉	⨉	1	1	1	2	2	⨉	3	2	⨉	⨉
Miscellaneous dangerous substances 9	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉	⨉