16 08 03Spent catalysts containing transition metals or transition metal compounds not otherwise specified
Chapter 16: Wastes not otherwise specified in the list
Overview
EWC code 16 08 03 is the European Waste Catalogue classification for spent catalysts containing transition metals or transition metal compounds not otherwise specified. It sits in subchapter 16 08 of Chapter 16, covering spent catalysts.
16 08 03 is the non-hazardous entry of a mirror pair. It applies only when the waste does not contain dangerous substances above the relevant concentration thresholds; otherwise the hazardous mirror code applies.
Mirror Entry Code
This code has 1 mirror pair. The choice between hazardous and non-hazardous classification depends on whether the waste contains dangerous substances. Laboratory testing will be required.
Related Codes in This Subchapter
16 08 01Spent catalysts containing gold, silver, rhenium, rhodium, palladium, iridium or platinum (except 16 08 07)
16 08 02*Spent catalysts containing dangerous transition metals or dangerous transition metal compounds
16 08 04Spent fluid catalytic cracking catalysts (except 16 08 07)
16 08 05*Spent catalysts containing phosphoric acid
16 08 06*Spent liquids used as catalysts
Frequently asked questions
Is EWC code 16 08 03 hazardous waste?
Not necessarily. 16 08 03 is the non-hazardous half of a mirror pair (paired with 16 08 02*). It is non-hazardous only if the waste does not contain dangerous substances above the relevant thresholds. Assessment, often laboratory testing, is needed to confirm.
What paperwork do I need for 16 08 03?
Where assessment confirms it is non-hazardous, 16 08 03 is handled under standard duty of care: transfer it to a registered carrier with a waste transfer note. A hazardous waste consignment note is not required unless the hazardous mirror code applies.
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Code Details
Related terms
Key terms for understanding this classification.
EWC codes are used to classify waste in the UK and EU. Correct classification is essential for legal compliance and proper waste management.