"The smaller the asbestos fiber, the longer it will stay airborne," Weltz said. "Some asbestos fibers are so small, they almost behave as a gas. . . . Asbestos is very sticky. It adheres to things, especially other fibers like clothing."
Dougherty yesterday recalled an incident at the Spring Garden Homes several years ago in which a plumber used a blowtorch to help remove asbestos insulation from a pipe inside a tenant's unit.
"The plumber was burning the pipes, trying to burn off the asbestos," Dougherty said. "It smelled like a mattress was on fire . . ."