EWC Code
Stabilised/solidified wastes
EUR-Lex Commission Decision 2000/532/EC — Official Journal L 226, 06/09/2000Annual Volume
5 million tonnes/year EU stabilised waste
Valorisation Range
€350M waste stabilisation services market
Primary Route
Hazardous landfill (partially stabilised)
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Get contacts for EWC 19 03EWC 19 03 covers stabilised or solidified wastes resulting from waste treatment processes. Sub-entries: 19 03 04* (wastes marked as hazardous, partially stabilised), 19 03 05 (stabilised wastes not covered by 19 03 04), 19 03 06* (wastes marked as hazardous, solidified), 19 03 07 (solidified wastes not covered by 19 03 06). Stabilisation reduces leachability; solidification improves handling characteristics.
Stabilisation/solidification (S/S) involves mixing hazardous waste with cement, lime, pozzolanic materials or proprietary binders to chemically immobilise contaminants and reduce permeability. The process does not destroy contaminants but converts them to less mobile forms. Treated product must meet WAC before landfill under Landfill Directive 1999/31/EC.
Partial stabilisation (19 03 04*) retains hazardous classification because immobilisation is incomplete or treatment does not achieve WAC. Full stabilisation meeting WAC produces 19 03 05, which may be disposed at non-hazardous landfill, significantly reducing disposal costs. Quality management and routine leachate testing are essential to verify classification.
Typical Generators
Established valorisation pathways for EWC 19 03, ranked by economic value and market depth. Hazardous landfill (partially stabilised) is the primary route.
Partially stabilised hazardous waste (19 03 04*) disposed at permitted hazardous landfill meeting WAC for hazardous cell. Monofill cells for specific waste types may be operated at certain facilities. Landfill gas monitoring and leachate collection required under Landfill Directive.
Waste achieving full stabilisation and meeting non-hazardous WAC reclassified 19 03 05 and accepted at non-hazardous landfill. Significant cost saving over hazardous landfill disposal. Continued leachate monitoring at landfill confirms ongoing immobilisation performance.
Solidified wastes meeting aggregate performance specifications used as engineered fill in civil engineering under controlled conditions. Application requires site-specific risk assessment for contaminant mobility. End-of-waste status unlikely without robust national criteria.
These are the established routes for EWC 19 03. Which one your stream qualifies for depends on its composition, volume and region.
Get the ranked options for your streamPrimary & secondary off-takers
S/S treatment facilities processing hazardous wastes for reduced-hazard disposal
Non-hazardous landfill accepting fully stabilised 19 03 05 material
Cement manufacturers providing binder materials for waste S/S and accepting treated residues
Civil engineering accepting solidified waste as structural fill under risk assessment
Source: NACE Rev.2 — Eurostat, 2008
Key legislative frameworks governing EWC 19 03 classification, transport, and treatment.
Stabilised wastes must meet WAC criteria under Decision 2003/33/EC for the landfill category (inert, non-hazardous or hazardous). EN 12457 batch leaching test used for compliance assessment. Meeting WAC does not automatically reclassify waste as non-hazardous if intrinsic HP properties remain.
WFD Art. 12 requires that waste is pre-treated before landfill where technically feasible, unless unnecessary for hazard reduction. S/S constitutes accepted pre-treatment for many hazardous waste types. However, S/S does not reduce mass or volume and may not represent the best option in the waste hierarchy.
Large S/S facilities treating hazardous waste above IPPC thresholds require IED permit. WT-BREF BAT conclusions apply. Mixing ratios, curing times and leachate test results must be documented. Worker exposure to cement dust and hazardous waste components controlled under OEL provisions.
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Sectors that valorise EWC 19 03 as an input material or secondary raw material.
Waste-stream pages and resources connected to EWC 19 03 valorisation.
Explore EU waste flows — Waste Atlas
Visualise 17 years of E-PRTR industrial facility data. See how EWC 19 03 and related waste streams flow across European industries and sectors.
Source: EUR-Lex Commission Decision 2000/532/EC · NACE Rev.2 — Eurostat 2008
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