prEN 12697-38

This document specifies general requirements for common test equipment, calibration procedures and reagents for the testing of bituminous materials in the EN 12697 series of standards. NOTE 1 This document makes use by reference of the requirements for common equipment and calibration prepared for aggregates. NOTE 2 Bodies providing accreditation of test equipment may need to consider alternative requirements and/or calibration frequencies in order to cover the possibilities of National Health & safety, regulatory and legislative requirements. Advice is also given on recommendations for laboratory management (Annex A), on the accuracy of measurement (Annex B) and on the rounding of values for reported results (Annex C).