Dangerous Goods by Road
this section includes the portable tank instructions and special provisions applicable to dangerous
goods authorized to be carried in portable tanks. each portable tank instruction is identified by an
alpha-numeric code (e.g. t1). column (10) of table a of chapter 3.2 indicates the portable tank
instruction that shall be used for each substance permitted for carriage in a portable tank. when no
portable tank instruction appears in column (10) for a specific dangerous goods entry then carriage of
the substance in portable tanks is not permitted unless a competent authority approval is granted as
detailed in 6.7.1.3. portable tank special provisions are assigned to specific dangerous goods in
column (11) of table a of chapter 3.2. each portable tank special provision is identified by an alphanumeric
code (e.g. tp1). a listing of the portable tank special provisions is provided in 4.2.5.3.
note: the gases authorized for carriage in megcs are indicated with the letter "(m)" in column
(10) of table a of chapter 3.2.