BS EN 58:2012 pdf free.Bitumen and bituminous binders一Sampling bituminous binders. BS EN 58 This European Standard specifies methods of sampling bituminous binders, to determine the average quality of the material under examination and/or to determine deviations from average quality. 2 Terms and definitions For the purposes of this document, the fllowing terms and definitions apply. 2.1 composite sample sample made...