BS EN 17199-2. Workplace exposure. Measurement of dustiness of bulk materials that contain or release nano-objects or submicrometer particles. Part 2: Rotating drum method— 22 стр.
BS EN 17199-1. Workplace exposure. Measurement of dustiness of bulk materials that contain or release nano-objects or submicrometer particles. Part 1. Requirements and choice of test methods— 35 стр.