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20 03 04 EWC code (200304) Septic tank sludge.

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  • Based on the UK List of Waste and WM3
  • Nothing is stored

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20 03 04, not hazardous.

  • Not hazardousHousehold-type, mixed

    Septic tank sludge

Is 20 03 04 hazardous?

No, never. 20 03 04 has no asterisk, and WM3 lists it as absolute non-hazardous: waste under this code is not hazardous waste, with no assessment to decide it.

It moves on a waste transfer note.

What does 20 03 04 cover?

Official wording
“septic tank sludge”
Sub-chapter
20 03: other municipal wastes
Chapter
20: Municipal wastes (household waste and similar commercial, industrial and institutional wastes) including separately collected fractions

Which other codes sit beside 20 03 04?

The other codes in 20 03:

CodeWhat it isHazardous
20 03 01Mixed municipal waste (general rubbish)No
20 03 02Waste from marketsNo
20 03 03Street-cleaning residuesNo
20 03 06Waste from sewage cleaningNo
20 03 07Bulky wasteNo
20 03 99Municipal waste not otherwise specifiedNo