BS EN 17199-3. Workplace exposure. Measurement of dustiness of bulk materials that contain or release nano-objects or submicrometer particles. Part 3. Continuous drop method— 23 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.