UMass Amherst Air Quality Researchers Tested Mask Effectiveness (image) University of Massachusetts at Amherst Share Print E-Mail Caption Richard Peltier, Kabindra Shakya and colleagues believe theirs is the first study to rigorously test disposable surgical masks and washable cloth masks, widely used in Asia and Southeast Asia for personal protection against airborne particulate matter. They found that cloth masks reduced exposure somewhat, but 'the most commonly used cloth mask products perform poorly when compared to alternative options available on the market.' Credit Wiki Commons Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.