Petrological investigations of aggregates to BS 812: 104



  • Knowing the exact content of your aggregates is of the greatest importance to your business.
  • We can determine the petrology of your sand, gravel and crushed rock aggregates to British Standards 812: 104 (1994) and allow you to specify your aggregate quality with confidence. Determination of shale, slate and clay content of aggregate is a speciality.
  • We provide expert advice on HMRC Aggregate Levy exemptions for shale, slate and other minerals.