You cannot log in without being assigned a valid TSI role.
In the recent DirectIndustry e-mag article, "Filtration, Leakage, Counterfeit: How to Make Sure an FFP2 / N95 Respirator Offers the Right Protection?" TSI's Oliver Bischof answers questions about respirators and filtering face pieces, filter testing, standards that apply to masks, respirator fit testing, and other relevant topics.
Read the article in its entirety for helpful insights for manufacturers, safety and healthcare professionals, first responders, or other people who are responsible for choosing, buying, designing, testing, or wearing PPE such as FFP2s and N95s.
DirectIndustry e-mag is an industry news site based in France. Visit their website at http://emag.directindustry.com/.