Transport Regulations Flashcards
(41 cards)
What are the transport regulations?
Carriage of Dangerous Good and Use of Transportable Pressure Equipment Regulations 2009 (“CDG”)
European Agreement Concerning the International Carriage of Dangerous Goods by Road (“ADR”)
What does CDG provide?
The legal framework within the UK for compliance with ADR
Can radioactive materials be transported using public service vehicles?
No
When is a package containing radioactive not allowed to be transported?
If the package is damaged, incorrectly labelled or if the person transporting the package is not the consignor and a transport document has not been issued
What should those involved in the carriage of dangerous goods be trained in?
General awareness of the regulations, radiation safety, security
What are the three steps for transporting radioactive material?
- Determine the type of package
- Marking and labelling
- Documentationw
What are the types of radioactive packages?
- Excepted package
- Type A
- Type B
- Type C
(and industrial - IP-1 to 3)
What is an excepted package?
Small quantities of radioactive material which are exempt from certain requirements of the transport regulations, there must be no other dangerous properties.
What do the activity limits for an excepted package depend on?
The isotope, physical state, whether the material is special form (A1) or not (A2)
What is a special form material?
Generally those that are encapsulated and are unlikely to disperse (special conditions)
What are the minimum dimensions of an excepted package?
> = 10 cm
What is the maximum surface contamination of an excepted package?
< 4 Bq/cm2 for gamma and beta
What is the maximum surface dose rate for an excepted package?
<= 5 microSv/h
What is the maximum external dose rate at 10 cm of an unpacked article for it to be an excepted package?
<= 100 microSv/h
What is a Type A package?
Radioactive material which exceed the limits for an excepted package, but don’t exceed A1 or A2 values
Which A value is special form?
A1
What determines a Type A category?
Maximum dose rate at the surface of the package and the Transport Index
What is the transport index?
The dose rate at 1 m from the package in mSv/h multiplied by 100.
This value should be rounded UP to the first decimal place (e.g. 1.13 -> 1.2, unless <0.05 which can be rounded to 0)
What is the golden rule for the TI value for drivers?
TI must not exceed 50
What is the minimum external dimension of a Type A package?
> = 10 cm
What conditions must a Type A package withstand?
Normal transport conditions without an increase in the maximum dose rate at the surface of the package or any loss/dispersal of material
- Rainfall for 1 hour
- Dropped from 1 m
- Stacking
- Piercing
- Temperature and pressure test
Why must type A packages have a seal?
To evidence it hasn’t been opened
What is the anatomy of a Type A package?
Cardboard
Polystyrene
Metal can
Polystyrene
Lead pot + sample
Absorbent material
Lids
What is an industrial package?
Typically a sealed metal drum with radioactive waste or ores, or large waste containers