If protective technical measures against unintentional release of nanomaterials at the workplace are NOT sufficient, the German Social Accident Insurance (DGUV) recommends the use of personal respiratory protection (filter class P3 or P2). When selecting the personal respiratory protection device, the previous risk assessment for the work place has to play a major role. If the wearing of a breathing mask is required, it has to be fitted tightly to the face or head. Likewise, current time limits and regulations for the wearing of breathing masks have to be respected. Besides personal protection, teaching and training of employees on the correct use is important too.



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