Ceiling tiles throughout the building are asbestos-free. The fourth floor east tower, and first floor and basement mechanical rooms were originally sprayed with asbestos decking insulation. Acoustical plaster exists in the first floor lobby and lecture halls. See also Lecture Hall Renovation Project . Although encapsulated with paint and non-friable, this material will become friable if disturbed by cutting, drilling, scrapping, etc.
Laboratory fume hood interiors are transite.
Vermiculite, with trace amounts of actinolyte, discovered in hollow-core cement block walls in parts of basement.