Colorectal cancer continues to be one of the leading causes of cancer-related deaths worldwide. However, recent advancements in medical screening have brought new hope in the fight against this deadly ...

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 ...

Do you work in an environment where the air is unfit to breathe? Does your workplace have a plan for and provide you with the assurance you'll be safe while at work? What can you do to ensure you're ...

Quantitative fit testing is the preferred testing method. The ambient aerosol condensation nuclei counting (CNC) method, using a Portacount® Plus instrument, has been selected as the quantitative fit ...