Mealey's (February 25, 2019, 1:29 PM EST) -- PHILADELPHIA — Exclusion of another expert witness’s opinions regarding airborne concentrations of asbestos resulting from the use of talc products leaves an industrial hygienist with nothing on which to base her opinion that use of the product would have resulted in significant exposures, a Pennsylvania judge held according to a Feb. 8 docket entry (Sally Brandt, et al. v. The Bon-Ton Stores Inc., et al., No. 151202987, Pa. Comm. Pls., Philadelphia Co.)....