| Abbreviation | Definition |
|---|---|
| AATF | Approved Authorised Treatment Facility |
| ABPO | Animal By-Products Order |
| ABPR | Animal By-Products Regulations |
| ACE | Alliance of Beverage Cartons and the Environment |
| ACL | Approved Carriers List |
| ACP | Advisory Committee on Packaging |
| ADBA | Anaerobic Digestion & Biogas Association |
| AE | Approved Exporter |
| AfOR | Association for Organics Recycling |
| ALANI | Association of Local Authorities in Northern Ireland |
| ALCO | Association of London Cleansing Officers |
| APC | Air Pollution Control |
| APCR | Air Pollution Control Residue |
| APSRG | Associate Parliamentary Sustainable Resource Group |
| AR | Accredited Reprocessor |
| ARF | Advanced Recycling Fee |
| ARM | Alternative Raw Material |
| ASR | Automotive Shredder Residue |
| ASSURE | Association for Sustainable Use and Recovery of Resources |
| ATEX | Atmosphères Explosives Directive 94/9/EC |