ADR Hazardous Waste Classification & Compliance
ADR Classes 2, 3, 4, 5, 6, 8 & 9 – Technical Overview
Hazsol Environmental operates in full compliance with the European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) and relevant UK hazardous waste legislation.
We are experienced in the handling, transport and disposal of hazardous waste falling within ADR Classes 2, 3, 4, 5, 6, 8 and 9.
All hazardous waste is assessed, classified, packaged, transported and disposed of using approved methods, with full documentation provided to ensure legal compliance and audit readiness.
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Regulatory Framework
Hazsol Environmental’s operations align with the following regulatory requirements:
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ADR (European Agreement concerning the International Carriage of Dangerous Goods by Road)
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UK Hazardous Waste Regulations
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Environment Agency (EA) and SEPA requirements
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Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations (CDG)
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COSHH Regulations (where applicable)
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Duty of Care obligations
Waste classification is undertaken prior to collection to ensure correct ADR assignment, packaging instruction, transport category and disposal route.
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ADR Class 2 – Gases
Includes compressed, liquefied, dissolved or refrigerated gases.
Examples include:
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Pressurised aerosols
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Gas cylinders (where applicable)
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Refrigerant gases
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Propellants and industrial gases
Handled with appropriate containment, ventilation controls and transport documentation.
ADR Class 3 – Flammable Liquids
Liquids with a flash point not exceeding defined thresholds.
Examples include:
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Solvents and thinners
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Paints and coatings
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Waste oils and fuels
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Alcohol-based chemicals
Managed using approved UN-rated containers and compliant transport methods.
ADR Class 4 – Flammable Solids
Substances liable to ignition through friction, heat or chemical reaction.
Includes:
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Self-reactive substances
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Certain resins and powders
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Reactive industrial solids
Assessed for stability, packaging compatibility and segregation requirements.
ADR Class 5 – Oxidising Substances & Organic Peroxides
Includes:
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Oxidising agents
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Organic peroxides
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Reactive laboratory chemicals
These materials require strict segregation and temperature-controlled handling where necessary.
ADR Class 6 – Toxic & Infectious Substances
Includes:
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Toxic chemicals
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Laboratory reagents
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Contaminated samples
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Certain clinical waste streams
Managed using secure containment, chain-of-custody procedures and approved disposal routes.
ADR Class 8 – Corrosive Substances
Examples include:
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Acids and alkalis
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Corrosive cleaning agents
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Battery acids
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Chemical processing residues
Packaging and transport are selected to prevent leakage, corrosion or reaction during transit.
ADR Class 9 – Miscellaneous Dangerous Substances
Includes:
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Environmentally hazardous substances
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Lithium batteries
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Contaminated electrical waste
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Certain composite or mixed wastes
These materials often require specialist classification and disposal pathways.
Waste Assessment & Classification
Before collection, Hazsol Environmental ensures:
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Correct identification of waste composition
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Accurate ADR class allocation
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Determination of packing group (where applicable)
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Selection of suitable UN-approved packaging
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Compatibility and segregation assessment
This process reduces risk, ensures legal compliance and prevents transport or disposal issues.
Packaging, Transport & Documentation
All ADR waste handled by Hazsol Environmental includes:
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Approved packaging and labelling
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Trained handling and loading procedures
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Licensed hazardous waste carriers
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Consignment notes and transport documentation
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Full traceability from collection to final disposal
Documentation is supplied to support audits, inspections and regulatory reporting.
Disposal & Environmental Responsibility
Hazardous waste is directed to authorised treatment, recovery or disposal facilities.
Where possible, materials are recovered or treated to reduce environmental impact and landfill use.
Hazsol Environmental works only with approved downstream partners to ensure full regulatory compliance.
Industries Served
ADR-classified waste services are provided to:
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Laboratories and research facilities
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Healthcare and clinical environments
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Manufacturing and industrial sites
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Engineering and automotive facilities
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Commercial and educational institutions
Each service is tailored to site-specific risks and waste profiles.
Commitment to Safety & Compliance
Hazsol Environmental maintains a strong focus on:
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Regulatory compliance
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Risk reduction
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Environmental protection
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Accurate record-keeping
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Professional, controlled operations
Our technical approach ensures hazardous waste is managed safely, responsibly and in accordance with all applicable regulations.
Technical Enquiries & Compliance Support
For technical guidance, waste classification support or compliant ADR hazardous waste disposal:
Contact Hazsol Environmental
Our team will assess your waste stream and provide a compliant, practical solution.
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