Is the transported substance liquid or solid? Could the transported biological substance be life threatening, or cause permanent disability? Could the transported biological substance be life threatening, or cause permanent disability? Category A, Infectious Substance A guide to compliant Biological Substance packaging Your Key to Substance Types and their Packaging Requirements: Category B, Biological Substance: Primary recepticle cannot contain more than 50g of substance. Should contain leakproof packaging and absorbent material for added protection. Should contain leakproof packaging and absorbent material for added protection. Outer packaging cannot contain more than 4g of substance. packaging must be sift-proof. Secondary packaging must be sift-proof. receptacle cannot contain more than 50ml of substance. Place absorbent material between the primary and secondary recepticles. Primary and Secondary packaging must be leakproof. Primary or secondary packaging must be able to withstand an internal pressure of 95 kPa Must contain absorbent material Primary and Secondary packaging must be leakproof. Packaging must withstand 95kPa between -40c and +55c. Max 1 litre of substance per primary Must contain sufficient absorbent. Cannot contain 4l of substance. Primary & secondary packaging must be leak-proof. Secondary must contain sufficient absorbent to absorb entire contents Outer must be of adequate strength for its capacity, mass and intended use. Category A, Infectious Substance: Classified as UN2814 for human substances or UN2900 for animal substances. Must adhere to packaging instruction P620: Packaging must consist of 3 components: 1) Leakproof primary recepticle (multiple primaries must be individually separated) 2) Leakproof secondary recepticle 3) Rigid outer packaging Biohazard labelling including the Infectious Substance diamond mark, proper shipping name and UN 8214 certification mark. Category B, Biological Substance: Classified as UN3373 for both human and animal substances. Must adhere to packaging instruction P650: Packaging must consist of 3 components: 1) Primary recepticle (multiple primaries must be individually separated) 3) Rigid outer packaging The packaging must contain a suitable cushioning material, be marked with UN3373 diamond adjecant marking and withstand a 1.2m drop test with no damage to the primary. Exempt Substance: Packaging must consist of 3 components: 1) Primary recepticle (multiple primaries must be individually separated) 3) Rigid outer packaging (plastic bags, paper envelopes and outer boxes that do not pass the Edge Crush Tests (ECTs) are not acceptable for use.