The test is "not sufficiently accurate to include among the qualitative fits tests listed in Part II of Appendix A of its Respiratory Protection Standard," the agency said in its Federal Register ...

3M and DriverCheck are working together to emphasize the importance of respirator fit and to help increase the availability of high-quality fit testing. LONDON — 3M, a manufacturer of respiratory ...

Many users in a group may obtain values close to the labeled NRR, but a substantial portion typically do not. The only way to determine a person's attenuation level is with a fit test system. Editor's ...

Concordia’s Environmental Health and Safety (EHS) team offers both qualitative and quantitative respirator fit testing to individuals and organizations outside the university. These services ensure ...