Having a quality dust collection system will not only control the quality of air put into the atmosphere but think about a blasters ability to more effectively blast with good visibility. Are you blasting using a headlamp just so you can see the part right in front of you? If so you most likely are not equipped with a properly sized dust collector. Yes, some media types can be dusty. If that is the case you should have a higher rate of cfm movement through the booth.
GFS Dust Collection Brochure