Aggregate is screened into the sizes required for immediate use, or for further processing within the quarrying production line.

Rock is extracted from the ground in the quarrying process to produce aggregate.

abbr. approved code of practice A publication giving guidance on the implementation of requirements laid down in Regulations made under the Health and Safety at Work Act.  

Set of procedures for accepting waste materials on site, including: list of types of materials accepted; methods (e.g. tests or controls) of acceptance; requirements arising from the Waste Management Regulations and the Duty of Care.

Used extensively in materials handling to resist wear within high flow areas.

abbr. aggregate abrasion value