Policy briefings Mineral Products Association | Mineral Products Association 1 min read12 January 2015 MPA has produced a series of policy briefings to update you on the key issues currently facing the industry. The Contribution of Recycled and Secondary Materials to Total Aggregates Supply in Great Britain’ - May 2019 Sand Supply - a UK Perspective on a Global Issue - May 2019 Mineral Products sector evidences the high use of construction waste for recycling and quarry restoration - February 2019 View all briefings. Related North Pole-Axed Too Late By Lord Roberts of Belgravia 6 hr Read the most recent article written by Mineral Products Association - MPA PRESS RELEASE: STRATEGIC SAFETY FORUM FOR HEALTH AND SAFETY IN THE MINERAL PRODUCTS SECTOR